View ISL54213_6603447.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

1 ? fn6663.0 ISL54213 mp3/usb 2.0 high speed switch with negative signal handling and mute function the intersil ISL54213 dual spdt (single pole/double throw) switch combines low distortion audio and accurate usb 2.0 high speed data (480mbps) signal switching in the same low voltage device. when operated with a 2.5v to 5.0v single supply, this analog switch allows audio signal swings below ground, allowing the use of a common usb and audio headphone connector in personal media players and other portable battery-powered devices. the ISL54213 logic control pins are 1.8v compatible, which allows for control via a standard controller. the part has an audio enable cont rol pin to open all switches and put the part in a mute state. it?s high off-isolation (95db @ 100khz) provides superior muting of audio signals. the ISL54213 is available in a small 10 ld 2.1mmx1.6mm ultra-thin tqfn package and a 10 ld 3mmx3mm tdfn package. it operates over a temperature range of -40c to +85c. related literature ? technical brief tb363 ?guidelines for handling and processing moisture sensit ive surface mount devices (smds)? features ? high speed (480mbps) and full speed (12mbps) signaling capability per usb 2.0 ? low distortion negative signal capability ? mute function ? low distortion headphone audio signals - thd+n at 1mw into 32 load . . . . . . . . . . . . <0.013% ? crosstalk (100khz) . . . . . . . . . . . . . . . . . . . . . . . . . -95db ? off-isolation (100khz) . . . . . . . . . . . . . . . . . . . . . . 95db ? single supply operation (v dd ) . . . . . . . . . . . . 2.5v to 5.0v ? -3db bandwidth usb switch . . . . . . . . . . . . . . . . . 736mhz ? available in tqfn and tdfn packages ? compliant with usb 2.0 short circuit requirements without additional external components ? pb-free (rohs compliant) applications ? mp3 and other personal media players ? cellular/mobile phones ?pdas ? audio/usb switching application block diagram ISL54213 usb transceiver audio usb/headphone com - com + in gnd d- d+ r l vdd ctrl logic control controller 4m codec v bus 3.3v 50k 50k 4m jack data sheet march 26, 2008 caution: these devices are sensitive to electrosta tic discharge; follow proper ic handling procedures. 1-888-intersil or 1-888-468-3774 | intersil (and design) is a registered trademark of intersil americas inc. copyright intersil americas inc. 2008. all rights reserved all other trademarks mentioned are the property of their respective owners.
2 fn6663.0 march 26, 2008 pinouts (note 1) ISL54213 (10 ld 2.1mmx1.6mm tqfn) top view ISL54213 (10 ld 3.0mmx3.0mm tdfn) top view note: 1. ISL54213 switches shown for in = logic ?0? and ctrl = logic ?1?. 1 3 4 d- com - l in ctrl 2 10 5 7 8 d+ com + r gnd 9 6 vdd logic control 4m 50k 50k 4m 2 4 5 d- com - l in 3 7 8 d+ com + r 9 6 vdd 1 gnd 10 ctrl logic control 50k 50k 4m 4m truth table ISL54213 in ctrl l, r d+, d- 00offoff 0 1 on off 1xoffon in, ctrl: logic ?0? when 0.5v or floating, logic ?1? when 1.4v with 2.7v to 3.6v supply. pin descriptions pin number name function 1 vdd power supply 2 in digital control input 3 com- voice and data common pin 4 com+ voice and data common pin 5 gnd ground connection 6 r audio right input 7 l audio left input 8 d+ usb differential input 9 d- usb differential input 10 ctrl digital control input (audio enable) ordering information part number part marking temp. range (c) package (pb-free) pkg. dwg. # ISL54213iruz-t (notes 3, 4) gh -40 to +85 10 ld tqfn l10.2.1x1.6a ISL54213irtz-t (notes 2, 4) 4213 -40 to +85 10 ld tdfn l10.3x3a ISL54213irtz (note 2) 4213 -40 to +85 10 ld tdfn l10.3x3a notes: 2. these intersil pb-free plastic packaged products employ special pb-free material sets; molding compounds/die attach materials and 100% matte tin plate plus anneal - e3 termination finish, which is rohs compliant and compatible with both snpb and pb-free soldering operations. intersil pb-fr ee products are msl classified at pb-free peak reflow temperatures that meet or exceed the pb-free requirements of ipc/jedec j std-020. 3. these intersil pb-free plastic packaged products employ special pb-free material sets; molding compounds/die attach materials and nipdau plate - e4 termination finish, which is rohs compliant and compatible with both snpb and pb-free soldering operations. intersil pb-free products are msl classi fied at pb-free peak reflow temperatures that meet or exceed the pb-free requirements of ipc/jedec j std-020. 4. please refer to tb347 for detai ls on reel specifications. ISL54213
3 fn6663.0 march 26, 2008 absolute maximum ratings thermal information v dd to gnd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3v to 5.5v input voltages d+, d- (note 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 2v to 5.5v l, r (note 5) . . . . . . . . . . . . . . . . . . . . . . . - 2v to ((v dd ) + 0.3v) in, ctrl (note 5) . . . . . . . . . . . . . . . . . . -0.3v to ((v dd ) + 0.3v) output voltages com-, com+ (note 5) . . . . . . . . . . . . . . . . . . . . . . . . -2v to 5.5v continuous current (audio switches). . . . . . . . . . . . . . . . . 150ma peak current (audio switches) (pulsed 1ms, 10% duty cycle, max). . . . . . . . . . . . . . . . 300ma continuous current (usb switches). . . . . . . . . . . . . . . . . . . 40ma peak current (usb switches) (pulsed 1ms, 10% duty cycle, max) . . . . . . . . . . . . . . . . 100ma esd ratings human body model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >3kv machine model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >250v charged device model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >2kv thermal resistance (t ypical, notes 6 and 7) ja (c/w) jc (c/w) 10 ld 2.1mmx1.6mm tqfn package 154 48.3 10 ld 3mmx3mm tdfn . . . . . . . . . . . 58 18 maximum junction temperature (plastic package) . . . . . . . +150c maximum storage temperature range. . . . . . . . . . . . -65c to +150c pb-free reflow profile. . . . . . . . . . . . . . . . . . . . . . . . . . see link below http://www.intersil.com/pbfree/pb-freereflow.asp operating conditions temperature range . . . . . . . . . . . . . . . . . . . . . . . . . -40c to +85c caution: do not operate at or near the maximum ratings listed for extended periods of time. expos ure to such conditions may adv ersely impact product reliability and result in failures not covered by warranty. notes: 5. signals on d+, d-, l, r, com-, com+, ctrl and in exceeding v dd or gnd by specified amount are clam ped. limit current to maximum current ratings. 6. ja is measured in free air with the component mounted on a high ef fective thermal conductivity test board with ?direct attach? fe atures. see tech brief tb379. 7. for jc , the ?case temp? location is the center of the exposed metal pad on the package underside. electrical specifications - 2.7v to 3.6v supply test conditions: v dd = +3.0v, gnd = 0v, v inh = v ctrlh = 1.4v, v inl = v ctrll = 0.5v, (note 8), unless otherwise specified. parameter test conditions temp (c) min (notes 9, 10) typ max (notes 9, 10) units analog switch characteristics audio switches (l, r) analog signal range, v analog v dd = 3.3v, in = 0.5v, ctrl = 1.4v full -1.5 - 1.5 v on-resistance, r on v dd = 3.0v, in = 0.5v, ctrl = 1.4v , i comx = 40ma, v l or v r = -0.85v to 0.85v (see figure 3, note 12) +25 - 2.5 2.8 full - - 3.5 r on matching between channels, r on v dd = 3.0v, in = 0.5v, ctrl = 1.4v , i comx = 40ma, v l or v r = voltage at max r on over signal range of -0.85v to 0.85v (notes 12 and 13) +25 - 0.1 0.25 full - - 0.27 r on flatness, r flat(on) v dd = 3.0v, in = 0.5v, ctrl = 1.4v , i comx = 40ma, v l or v r = -0.85v to 0.85v (notes 11 and 12) +25 - 0.02 0.05 full - - 0.07 on-resistance, r on v dd = 5.0v, in = 0v, ctrl = v dd , i comx = 40ma, v l or v r = -0.85v to 0.85v (see figure 3) 25 - 2.3 - on-resistance, r on v dd = 4.2v, in = 0v, ctrl = v dd , i comx = 40ma, v l or v r = -0.85v to 0.85v (see figure 3) 25 - 2.35 - on-resistance, r on v dd = 2.85v, in = 0v, ctrl = v dd , i comx = 40ma, v l or v r = -0.85v to 0.85v (see figure 3) 25 - 2.72 - discharge pull-down resistance, r l , r r v dd = 3.6v, in = 0v, ctrl = 0v , v l or v r = -0.85v, 0.85v, v d+ and v d- = floating; measure current through the discharge pull- down resistor and calculate resistance value. +25 - 65 - k usb switches (d+, d-) analog signal range, v analog v dd = 2.7v to 3.6v, in = 1.4v, ctrl = 1.4v full 0 - v dd v on-resistance, r on (high-speed) v dd = 3.3v, in = 1.4v, ctrl = 1.4v, i comx = 40ma, v d+ or v d- = 0v to 400mv (see figure 4, note 12) 25 - 5.5 6.5 full - - 7 ISL54213
4 fn6663.0 march 26, 2008 r on matching between channels, r on v dd = 3.3v, in = 1.4v, ctrl = 1.4v, i comx = 40ma, v d+ or v d- = voltage at max r on (notes 12 and 13) 25 - 0.05 0.25 full - - 0.55 r on flatness, r flat(on) v dd = 3.3v, in = 1.4v, ctrl = 1.4v, i comx = 40ma, v d+ or v d- = 0v to 400mv (notes 11 and 12) 25 - 0.5 0.55 full - - 1.0 on-resistance, r on (full-speed) v dd = 3.3v, in = 1.4v, ctrl = 1.4v, i comx = 1ma, v d+ or v d- = 3.3v (see figure 4, note 12) 25 - 25 30 full - - 35 on-resistance, r on v dd = 5.0v, in = v dd , ctrl = v dd , i comx = 1ma, v d+ or v d- = 5v (see figure 4) +25 - 20 - on-resistance, r on v dd = 4.2v, in = v dd , ctrl = v dd , i comx = 1ma, v d+ or v d- = 4.2v (see figure 4) 25 - 22 - on-resistance, r on v dd = 2.85v, in = v dd , ctrl = v dd , i comx = 1ma, v d+ or v d- = 2.85v (see figure 4) 25 - 28 - off-leakage current, i d+(off) or i d-(off) v dd = 3.6v, in = 0v, ctrl = 3.6v, v com- or v com+ = 0.5v, 0v, v d+ or v d- = 0v, 0.5v, v l and v r = float 25 -5 1.5 5 na full -60 - 60 na on-leakage current, i dx v dd = 3.6v, in = v dd , ctrl = 0v or v dd , v d+ or v d- = 2.7v, v com- or v com+ = float, v l and v r = float 25 -11 2.5 11 na full -70 - 70 na dynamic characteristics usb turn-on time, t on v dd = 3.0v, r l = 50 , c l = 10pf (see figure 1) 25 - 52 - ns usb turn-off time, t off v dd = 3.0v, r l = 50 , c l = 10pf (see figure 1) 25 - 20 - ns audio turn-on time, t on v dd = 3.0v, r l = 50 , c l = 10pf (see figure 1) 25 - 2.5 - s audio turn-off time, t off v dd = 3.0v, r l = 50 , c l = 10pf (see figure 1) 25 - 50 - ns break-before-make time delay, t d v dd = 3.0v, r l = 50 , c l = 10pf (see figure 2) 25 - 44 - ns skew, t skew v dd = 3.0v, in = 3v, ctrl = 3v, r l = 45 , c l = 10pf, t r = t f = 720ps at 480mbps, (duty cycle = 50%) (see figure 7) 25 - 50 - ps total jitter, t j v dd =3.0v, in = 3v, ctrl = 3v, r l = 50 , c l = 10pf, t r = t f = 750ps at 480mbps 25 - 210 - ps propagation delay, t pd v dd = 3.0v, in = 3v, ctrl = 3v, r l = 45 , c l = 10pf ( see figure 7) 25 - 250 - ps audio crosstalk r to com-, l to com+ v dd = 3.0v, in = 0v, ctrl = 3.0v, r l = 32 , f = 20hz to 20khz, v r or v l = 0.707v rms (2v p-p ) (see figure 6) 25 - -112 - db crosstalk (audio to usb, usb to audio) v dd = 3.0v, r l = 50 , f = 100khz (see figure 6) 25 - -95 - db off-isolation v dd = 3.0v, r l = 50 , f = 100khz 25 - 95 - db off-isolation v dd = 3.0v, r l = 32 , f = 20hz to 20khz 25 - 112 - db total harmonic distortion f = 20hz to 20khz, v dd = 3.0v, in = 0v, ctrl = 3.0v, v l or v r = 180mv rms (509mv p-p ), r l = 32 25 - 0.013 - % total harmonic distortion f = 20hz to 20khz, v dd = 3.0v, in = 0v, ctrl = 3.0v, v l or v r = 0.707v rms (2v p-p ), r l = 32 25 - 0.06 - % usb switch -3db bandwidth signal = 0dbm, 0.2v dc offset, r l = 50 , c l = 5pf 25 - 736 - mhz d+/d- off-capacitance, c dxoff f = 1mhz, v dd = 3.0v, in = 0v, ctrl = 3.0v, v d- or v d+ = v comx = 0v (see figure 5) 25 - 3 - pf l/r off-capacitance, c loff , c roff f = 1mhz, v dd = 3.0v, in = 3.0v, ctrl = 0v or 3v, v l or v r = v comx = 0v (see figure 5) 25 - 5 - pf com on-capacitance, c comx(on) f = 1mhz, v dd = 3.0v, in = 3.0v, ctrl = 0v or 3v, v d- or v d+ = v comx = 0v (see figure 5) 25 - 8 - pf electrical specifications - 2.7v to 3.6v supply te s t c o n d i t i o n s : v dd = +3.0v, gnd = 0v, v inh = v ctrlh = 1.4v, v inl = v ctrll = 0.5v, (note 8), unless otherwise specified. (continued) parameter test conditions temp (c) min (notes 9, 10) typ max (notes 9, 10) units ISL54213
5 fn6663.0 march 26, 2008 power supply characteristics power supply range, v dd full 2.5 5.0 v positive supply current, i dd (audio mode) v dd = 3.6v, in = 0v, ctrl = 3.6v 25 - 6 13 a full - - 15 a positive supply current, i dd (usb mode) v dd = 3.6v, in = 3.6v, ctrl = 3.6v 25 - 2 4.5 a full - - 5.5 a positive supply current, i dd (mute state) v dd = 3.6v, in = 0v, ctrl = 0v 25 - 2 4.5 a full - - 7 a power off-current, i dx i comx v dd = 0v, v dx = v comx = 5.25v, in = ctrl = float 25 - 7 - a digital input characteristics voltage low, v inl , v ctrll v dd = 2.7v to 3.6v full - - 0.5 v voltage high, v inh , v ctrlh v dd = 2.7v to 3.6v full 1.4 - - v input current, i inl , i ctrll v dd = 3.6v, in = 0v, ctrl = 0v full -50 20 50 na input current, i inh v dd = 3.6v, in = 3.6, ctrl = 0v full -2 1.1 2 a input current, i ctrlh v dd = 3.6v, in = 0v, ctrl = 3.6v full -2 1.1 2 a ctrl pull-down resistor, r ctrl v dd = 3.6v, in = 0v, ctrl = 3.6v; measure current through the internal pull-down resistor and calculate resistance value. full - 4 - m in pull-down resistor, r in v dd = 3.6v, in = 3.6v, ctrl = 3.6v; measure current through the internal pull-down resistor and calculate resistance value. full - 4 - m notes: 8. v logic = input voltage to perform proper function. 9. the algebraic convention, whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet. 10. parts are 100% tested at +25c. temperature limits est ablished by characterization and are not production tested. 11. flatness is defined as the difference between maximum and minimum value of on-resi stance over the specified analog signal ra nge. 12. limits established by characterization and are not production tested. 13. r on matching between channels is calculated by s ubtracting the channel with the highest max r on value from the channel with lowest max r on value, between l and r or between d+ and d-. electrical specifications - 2.7v to 3.6v supply te s t c o n d i t i o n s : v dd = +3.0v, gnd = 0v, v inh = v ctrlh = 1.4v, v inl = v ctrll = 0.5v, (note 8), unless otherwise specified. (continued) parameter test conditions temp (c) min (notes 9, 10) typ max (notes 9, 10) units ISL54213
6 fn6663.0 march 26, 2008 test circuits and waveforms logic input waveform is inverted for switches that have the opposite logic sense. figure 1a. measurement points repeat test for all switches. c l includes fixture and stray capacitance. figure 1b. test circuit figure 1. switching times figure 2a. measurement points repeat test for all switches. c l includes fixture and stray capacitance. figure 2b. test circuit figure 2. break-before-make time figure 3. audio r on test circuit figure 4. usb r on test circuit 50% t r < 20ns t f < 20ns t off 90% v inh 0v v input v inl t on logic input switch input switch output 90% v out v out v (input) r l r l r on + ----------------------- - = switch input v in v out r l c l comx audio or usb in 50 10pf gnd v dd c ctrl v input 90% v inh v inl t d logic input switch output 0v v out v in in comx r l c l v out 10pf 50w d- or d+ l or r v dd gnd v input c ctrl v dd c 0v or l or r comx in gnd v l or v r v 1 r on = v 1 /40ma 40ma repeat test for all switches. ctrl float v dd c v dd d- or d+ comx in gnd v d- or v d+ v 1 r on = v 1 /40ma 40ma repeat test for all switches. ctrl ISL54213
7 fn6663.0 march 26, 2008 figure 5. capacitance test circuit figure 6. audio crosstalk test circuit figure 7a. measurement poin ts figure 7b. test circuit figure 7. skew test test circuits and waveforms (continued) v dd c gnd audio or usb comx in impedance analyzer 0v or v dd repeat test for all switches. ctrl 0v analyzer v dd c l or r signal generator r l gnd in comx 32 nc comx r or l signal direction through switch is reversed, worst case values are recorded. repeat test for all switches. ctrl din+ din- out+ out- 50% 50% 90% 10% 10% 10% 10% 90% 90% 50% 90% 50% t ri t fi t ro t f0 t skew_i t skew_o out+ c l com- d+ gnd v dd c d- com+ c l out- din+ din- |tro - tri| delay due to switch for rising input and rising output signals. |tfo - tfi| delay due to switch for falling input and falling output signals. |tskew_0| change in skew through the switch for output signals. |tskew_i| change in skew through the switch for input signals. 15.8 15.8 143 143 45 45 ctrl in v dd ISL54213
8 fn6663.0 march 26, 2008 detailed description the ISL54213 device is a dual single pole/double throw (spdt) analog switch that oper ates from a single dc power supply in the range of 2.5v to 5.0v. it was designed to function as a dual 2 to 1 multiplexer to select between usb differential data signals and audio l and r stereo signals. it comes in a tiny tqfn and tdfn packages for use in mp3 players, pdas, cellular phones and other personal media players. the part consists of two 2.5 audio switches and two 5.5 usb switches. the audio switc hes can accept signals that swing below ground. they were designed to pass audio left and right stereo signals, that are ground referenced, with minimal distortion. the usb switches were designed to pass high-speed usb differential data signals with minimal edge and phase distortion. the ISL54213 was specifically designed for mp3 players, personal media players and ce llular phone applications that need to combine the audio headphone jack and the usb application block diagrams figure 8. logic control via microprocessor figure 9. logic control via v bus voltage from computer or usb hub 50k ISL54213 usb transceiver high-speed audio usb/headphone jack com - com + in gnd d- d+ r l vdd ctrl logic control controller 4m codec v bus 3.3v 50k 4m ISL54213 usb transceiver high-speed audio usb/headphone jack com - com + in gnd d- d+ r l vdd ctrl logic control controller 4m codec v bus 3.3v 50k 50k 4m 500k ISL54213
9 fn6663.0 march 26, 2008 data connector into a single shared connector, thereby saving space and component cost. typical application block diagrams of this functionality are shown in figures 8 and 9. the ISL54213 has a single logic control pin (in) that selects between the audio switches and the usb switches. this pin can be driven low or high to switch between the audio codec drivers and usb transceiver of the mp3 player or cellular phone. the ISL54213 also contains a logic control pin (ctrl) that when driven low while in is low, opens all switches and puts the part into the mute state. a detailed description of the two types of switches are provided in the following sections. audio switches the two audio switches (l, r) are 2.5 switches that can pass signals that swing below ground by as much as 1.5v. they were designed to pass ground reference stereo signals with minimal insertion loss and very low distortion over a 1v signal range. crosstalk between the audio channels is -112db over the audio band. crosstalk between the audio channel and usb channel is -95db at 100khz. these switches have excellent off-isolation, 112db, over the audio band with a 32 load. over a signal range of 1v (0.707v rms ) with vdd > 2.7v, these switches have an extremely low r on resistance variation. they can pass ground referenced audio signals with very low distortion (<0.06% thd+n) when delivering 15.6mw into a 32 headphone speaker load. see figures 10 and 11. these switches are bi-directional switches. in typical applications, the audio driver s would be connected at the l and r side of the switch (pins 7 and 8) and the speaker loads would be connected at the com side of the switch (pins 3 and 4). the audio switches are active (turned on) whenever the in voltage is 0.5v or floating and the ctrl voltage to 1.4v. usb switches the two usb switches (d+, d-) are bidirectional switches that can pass rail-to-rail signals. when powered with a 3.3v supply, these switches have a nominal r on of 5.5 over the signal range of 0v to 400mv with a r on flatness of 0.5 . the r on matching between the d+ and d- switches over this signal range is only 0.05 ensuring minimal impact by the switches to usb high speed signal transitions. as the signal level increases, the r on resistance increases. at signal level of 3.3v, the switch resistance is nominally 25 . the usb switches were specifically designed to pass usb 2.0 high-speed (480mbps) differen tial signals typically in the range of 0v to 400mv. they have low capacitance and high bandwidth to pass the usb high-speed signals with minimum edge and phase distortion to meet usb 2.0 high speed signal quality specifications. see figure 12. the usb switches can also pass usb full-speed signals (12mbps) with minimal distortion and meet all the usb requirements for usb 2.0 full-speed signaling. see figure 13 for full-speed eye pattern taken wit h switch in the signal path. the maximum signal range for the usb switches is from -1.5v to v dd . the signal voltage at d- and d+ should not be allow to exceed the v dd voltage rail or go below ground by more than -1.5v. the usb switches are active (turned on) whenever the in voltage is to 1.4v. ISL54213 operation the following will discuss using the ISL54213 in the typical application block diagrams shown in figures 8 and 9. vdd supply the dc power supply connected at vdd (pin 1) provides the required bias voltage for proper switch operation. the part can operate with a supply voltag e in the range of 2.5v to 5.0v. in a typical usb/audio application for portable battery powered devices, the v dd voltage will come from a battery or an ldo and be in the range of 2.7v to 3.6v. for best possible usb full-speed ope ration (12mbps), it is recommended that the v dd voltage be 2.5v in order to get a usb data signal level above 2.5v. logic control the state of the ISL54213 device is determined by the voltage at the in pin (pin 2) and the ctrl pin (pin 10). these logic pins are 1.8v logic compatible when v dd is in the range of 2.7v to 3.6v and can be controlled by a standard processor. the part has three states or modes of operation. the audio mode, usb mode and mute mode. refer to the ?truth table? on page 2. the in and ctrl pins are internally pulled low through a 4m resistor to ground and can be le ft floating or tri-stated by the microprocessor. the ctrl control pin is only active when in is logic ?0?. logic control voltage levels: in = logic ?0? (low) when v in 0.5v or floating. in = logic ?1? (high) when v in 1.4v ctrl = logic ?0? (low) when 0.5v or floating. ctrl = logic ?1? (high) when 1.4v audio mode if the in pin = logic ?0? and ctrl pin = logic ?1?, the part will be in the audio mode. in audio mode, the l (left) and r (right) 2.5 audio switches are on and the d- and d+ 5.5 switches are off (high impedance). when nothing is plugged into the common connector or a headphone is plugged into the common connector, the processor will sense that there is no voltage at the v bus pin of the connector and will drive and hold the in control pin ISL54213
10 fn6663.0 march 26, 2008 of the ISL54213 low. as long as the ctrl = logic ?1,? the ISL54213 part will be in the audio mode and the audio drivers of the media player can drive the headphones and play music. usb mode if the in pin = logic ?1? and ctrl pin = logic ?0? or logic ?1?, the part will go into usb mode. in usb mode, the d- and d+ 5.5 switches are on and the l and r 2.5 audio switches are off (high impedance). when a usb cable from a computer or usb hub is connected at the common conn ector, the processor will sense the presence of the 5v vbus voltage and drive the in pin voltage high. the ISL54213 part will go into the usb mode. in usb mode, the comput er or usb hub transceiver and the mp3 player or cell phone usb transceiver are connected and digital data will be able to be transmitted back and forth. when the usb cable is disconnected, the processor will sense that the 5v v bus voltage is no longer connected and will drive the in pin low and put the part back into the audio or mute mode. mute mode if the in pin = logic ?0? and ctrl pin = logic ?0?, the part will be in the mute mode. in the mute mode, the audio switches and the usb switc hes are off (high impedance). in this stat e the switches have excellent off-isolation (112db over the audio band with a 32 load) for muting of audio signals. using the computer v bus voltage to drive the ?in? pin rather than using a microproce ssor to control the in logic pin, one can directly drive the in pin using the v bus voltage from the computer or usb hub. see the application block diagram in figure 9. when a headphone or nothing is connected at the common connector, the internal 4m pull-down will pull the in pin low putting the ISL54213 in the audio or mute mode, depending on the condition of the ctrl pin. when a usb cable is connected at the common connector, the voltage at the in pin will be driven to 5v and the part will automatically go into the usb mode. when the usb cable is disconnected from the common connector, the voltage at the in pin will be pulled low by the pull-down resistor and return to the audio or mute mode, depending on the condition of the ctrl pin. note: the ISL54213 contains an internal diode between the in pin and vdd pin. whenever the in voltage is greater than the v dd voltage by more than 0.7v, current will flow through this diode into the v dd power supply bus. an external series resistor in the range of 100k to 500k is required at the in logic pin to limit the current when driving it with the v bus voltage. this allows the v bus voltage from a computer or usb hub (4.4v to 5.25v) to drive the in pin while the v dd voltage is in the range of 2.5v to 3.6v. a 500k resistor will limit the current to 2.76a and still allow the in logic voltage to go to around 3.67v which is will above the required v in h level of 1.4v. a smaller series resistor can be used but more current will flow. typical performance curves t a = +25c, unless otherwise specified. figure 10. thd+n vs supply voltage vs frequency fi gure 11. thd+n vs signal levels vs frequency thd+n (%) frequency (hz) 20 200 2k 20k r load = 32 v load = 0.707v rms 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.11 v dd = 2.6v v dd = 2.7v v dd = 3.6v v dd = 3v thd+n (%) frequency (hz) 20 200 2k 20k r load = 32 v dd = 3v 0.02 0.04 0.06 0.08 0.10 2v p-p 1v p-p 3v p-p 2.5v p-p ISL54213
11 fn6663.0 march 26, 2008 figure 12. eye pattern: 480mbps with usb switches in the signal path typical performance curves t a = +25c, unless otherwise specified. (continued) time scale (0.2ns/div) voltage scale (0.1v/div) ISL54213
12 fn6663.0 march 26, 2008 figure 13. eye pattern: 12mbps usb signal with usb switches in the signal path typical performance curves t a = +25c, unless otherwise specified. (continued) time scale (10ns/div) voltage scale (0.5v/div) v dd = 3.3v ISL54213
13 fn6663.0 march 26, 2008 figure 14. audio channel off-isolation vs frequency figure 15. off-isolation audio switches figure 16. frequency response figure 17. off-isolation usb switches die characteristics substrate potential (powered up): gnd transistor count: 98 process: submicron cmos typical performance curves t a = +25c, unless otherwise specified. (continued) off-isolation (db) -140 -65 -135 -130 -125 -120 -115 -110 -105 -100 -95 -90 -85 -80 -75 -70 20 20k 50 100 200 500 1k 2k 5k 10k frequency (hz) r load = 32 v load = 0.707v rms frequency (hz) -60 normalized gain (db) 0.01m 0.1m 1m 500m -80 -40 -100 -120 0 -20 10m 0.001m 100m v signal = 0.2v p-p to 2v p-p r l = 50 frequency (hz) 0 -1 normalized gain (db) 1m 10m 100m 1g -2 -3 -4 1 usb switch r l = 50 v signal = 0.2v p-p to 2v p-p frequency (hz) -60 normalized gain (db) 0.01m 0.1m 1m 500m -80 -40 -100 -120 0 -20 10m 0.001m 100m v signal = 0.2v p-p to 2v p-p r l = 50 v dcoffset = 1.5v dc ISL54213
14 fn6663.0 march 26, 2008 ISL54213 ultra thin quad flat no-lead plastic package (utqfn) 6 b e a d 0.10 c 2x 2 0.10 m c a b 0.05 m c (nd-1) x e c 0.05 c a 0.10 c a1 seating plane e index area pin #1 id 3 5 (datum a) (datum b) n-1 1 n nx l nx b 2 1 n top view bottom view side view nx (b) section "c-c" for odd terminal/side e cc 5 c l terminal tip (a1) l detail ?a? pin 1 id l 0.05 min 0.10 min 0.10 c 2x 4xk b l10.2.1x1.6a 10 lead ultra thin quad flat no-lead plastic package symbol millimeters notes min nominal max a 0.45 0.50 0.55 - a1 - - 0.05 - a3 0.127 ref - b 0.15 0.20 0.25 5 d 2.05 2.10 2.15 - e 1.55 1.60 1.65 - e 0.50 bsc - k0.20 --- l 0.35 0.40 0.45 - n102 nd 4 3 ne 1 3 0- 12 4 rev. 3 6/06 notes: 1. dimensioning and tolerancing conform to asme y14.5-1994. 2. n is the number of terminals. 3. nd and ne refer to the number of terminals on d and e side, respectively. 4. all dimensions are in millim eters. angles are in degrees. 5. dimension b applies to the metallized terminal and is measured between 0.15mm and 0.30mm from the terminal tip. 6. the configuration of the pin #1 identifier is optional, but must be located within the zone indicated. the pin #1 identifier may be either a mold or mark feature. 7. maximum package warpage is 0.05mm. 8. maximum allowable burrs is 0.076mm in all directions. 9. same as jedec mo-255uabd except: no lead-pull-back, "a" min dimension = 0.45 not 0.50mm "l" max dimension = 0.45 not 0.42mm. 10. for additional information, to assist with the pcb land pattern design effort, see intersil technical brief tb389. 2.00 0.80 1.75 0.25 0.50 0.275 2.50 land pattern 10
15 all intersil u.s. products are manufactured, asse mbled and tested utilizing iso9000 quality systems. intersil corporation?s quality certifications ca n be viewed at www.intersil.com/design/quality intersil products are sold by description only. intersil corpor ation reserves the right to make changes in circuit design, soft ware and/or specifications at any time without notice. accordingly, the reader is cautioned to verify that data sheets are current before placing orders. information furnishe d by intersil is believed to be accurate and reliable. however, no responsibility is assumed by intersil or its subsidiaries for its use; nor for any infringements of paten ts or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of intersil or its subsidiari es. for information regarding intersil corporation and its products, see www.intersil.com fn6663.0 march 26, 2008 ISL54213 thin dual flat no-lead plastic package (tdfn) // nx (b) section "c-c" for odd terminal/side e cc 5 c l terminal tip (a1) bottom view a 6 area index c c 0.10 0.08 side view 0.10 2x e a b c 0.10 d top view cb 2x 6 8 area index nx l e2 e2/2 ref. e n (nd-1)xe (datum a) (datum b) 5 0.10 8 7 d2 b a c n-1 12 plane seating c a a3 nx b d2/2 nx k l1 9 l m l10.3x3a 10 lead thin dual flat no-lead plastic package symbol millimeters notes min nominal max a 0.70 0.75 0.80 - a1 - - 0.05 - a3 0.20 ref - b 0.20 0.25 0.30 5, 8 d 2.95 3.0 3.05 - d2 2.25 2.30 2.35 7, 8 e 2.95 3.0 3.05 - e2 1.45 1.50 1.55 7, 8 e 0.50 bsc - k 0.25 - - - l 0.25 0.30 0.35 8 n 10 2 nd 5 3 rev. 3 3/06 notes: 1. dimensioning and tolerancing conform to asme y14.5-1994. 2. n is the number of terminals. 3. nd refers to the number of terminals on d. 4. all dimensions are in millim eters. angles are in degrees. 5. dimension b applies to the metallized terminal and is measured between 0.15mm and 0.30mm from the terminal tip. 6. the configuration of the pin #1 identifier is optional, but must be located within the zone indicated. the pin #1 identifier may be either a mold or mark feature. 7. dimensions d2 and e2 are fo r the exposed pads which provide improved electrical and thermal performance. 8. nominal dimensions are provided to assist with pcb land pattern design efforts, see intersil technical brief tb389. 9. compliant to jedec mo-229-weed-3 except for d2 dimensions.

▲Up To Search▲

Price & Availability of ISL54213

	To Download ISL54213 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .