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? 2009 - 2014 exar corporation 1 / 17 exar.com/clc2011 rev 1d general description the clc2011 (dual) and clc4011 (quad) are ultra-low cost, low power, voltage feedback amplifers. at 2.7v, the clcx011 family uses only 136a of supply current per amplifer and are designed to operate from a supply range of 2.5v to 5.5v (1.25 to 2.75). the input voltage range exceeds the negative and positive rails. the clcx011 family of amplifers offer high bipolar performance at a low cmos prices. they offer superior dynamic performance with 4.9mhz small signal bandwidths and 5.3v/s slew rates. the combination of low power, high bandwidth, and rail-to-rail performance make the clcx011 amplifers well suited for battery-powered communication/computing systems. large signal frequency response output swing vs. load outpu t voltag e (0.27v/div) input voltage (0.4v/div) -2.0 0 2.0 -1.35 0 1.35 r l = 10k? r l = 1k? r l = 75/100? r l = 200? r l = 100? r l = 75? magnitud e (1db/div) frequency (mhz) 0.01 0.1 1 10 v o = 4v pp v s = 5v v o = 1v pp v o = 2v pp features 136a supply current 4.9mhz bandwidth output swings to within 20mv of either rail input voltage range exceeds the rail by >250mv 5.3v/s slew rate 21nv/hz input voltage noise 35ma linear output current fully specified at 2.7v and 5v supplies applications portable/battery-powered applications mobile communications, cell phones, pagers adc buffer active flters portable test instruments notebooks and pdas signal conditioning medical equipment portable medical instrumentation ordering information - back page clc2011, clc4011 low power, low cost, rail-to-rail i/o amplifiers
? 2009 - 2014 exar corporation 2 / 17 exar.com/clc2011 rev 1d absolute maximum ratings stresses beyond the limits listed below may cause permanent damage to the device. exposure to any absolute maximum rating condition for extended periods may affect device reliability and lifetime. v s ..................................................................................... 0v to 6v v in ............................................................ -v s - 0.5v to +v s +0.5v continuous output current .................................. -40ma to +40ma operating conditions supply voltage range ................................................... 2.5 to 5.5v operating temperature range ............................... -40c to 125c junction temperature ........................................................... 150c storage temperature range ................................... -65c to 150c lead temperature (soldering, 10s) ...................................... 260c package thermal resistance ja (soic-8) ..................................................................... 150c/w ja (msop-8) .................................................................. 200c/w ja (soic-14) .................................................................... 90c/w ja (tssop-14) ................................................................ 100c/w package thermal resistance ( ja ), jedec standard, multi-layer test boards, still air. esd protection clc2011, clc4011 (hbm) ....................................................... 2kv esd rating for hbm (human body model). clc2011, clc4011
? 2009 - 2014 exar corporation 3 / 17 exar.com/clc2011 rev 1d electrical characteristics at +2.7v t a = 25c, v s = +2.7v, r f = r g = 5k, r l = 10k to v s /2; g = 2; unless otherwise noted. symbol parameter conditions min ty p max units frequency domain response ugbw ss unity gain -3db bandwidth g = +1, v out = 0.02v pp 4.9 mhz bw ss -3db bandwidth g = +2, v out = 0.2v pp 3.2 mhz bw ls large signal bandwidth g = +2, v out = 2v pp 1. 4 mhz gbwp gain bandwidth product g = +11, v out = 0.2v pp 2.5 mhz time domain response t r , t f rise and fall time v out = 1v step; (10% to 90%) 163 ns t s settling time to 0.1% v out = 1v step 500 ns os overshoot v out = 1v step <1 % sr slew rate 1v step 5.3 v/s distortion/noise response hd2 2nd harmonic distortion 10khz, v out = 1v pp -72 dbc hd3 3rd harmonic distortion 10khz, v out = 1v pp -72 dbc thd total harmonic distortion 10khz, v out = 1v pp 0.03 % e n input voltage noise >10khz 21 nv/hz x talk crosstalk channel to channel, v out = 2v pp , f = 10khz 82 db channel to channel, v out = 2v pp , f = 50khz 74 db dc performance v io input offset voltage 0.5 mv d vio average drift 5 v/c i b input bias current 90 na di b average drift 32 pa/c psrr power supply rejection ratio dc 55 83 db a ol open loop gain v out = v s / 2 90 db i s supply current per channel 136 a input characteristics r in input resistance non-inverting 12 m c in input capacitance 2 pf cmir common mode input range -0.25 to 2.95 v cmrr common mode rejection ratio dc 81 db output characteristics v out output voltage swing r l = 10k to v s / 2 0.02 to 2.68 v r l = 1k to v s / 2 0.05 to 2.63 v r l = 200 to v s / 2 0.11 to 2.52 v i out output current 30 ma clc2011, clc4011
? 2009 - 2014 exar corporation 4 / 17 exar.com/clc2011 rev 1d electrical characteristics at +5v t a = 25c, v s = +5v, r f = r g = 5k, r l = 10k to v s /2; g = 2; unless otherwise noted. symbol parameter conditions min ty p max units frequency domain response ugbw ss unity gain -3db bandwidth g = +1, v out = 0.02v pp 4.3 mhz bw ss -3db bandwidth g = +2, v out = 0.2v pp 3.0 mhz bw ls large signal bandwidth g = +2, v out = 2v pp 2.3 mhz gbwp gain bandwidth product g = +11, v out = 0.2v pp 2.5 mhz time domain response t r , t f rise and fall time v out = 1v step; (10% to 90%) 110 ns t s settling time to 0.1% v out = 2v step 470 ns os overshoot v out = 1v step <1 % sr slew rate 2v step 9 v/s distortion/noise response hd2 2nd harmonic distortion 10khz, v out = 1v pp -73 dbc hd3 3rd harmonic distortion 10khz, v out = 1v pp -75 dbc thd total harmonic distortion 10khz, v out = 1v pp 0.03 % e n input voltage noise >10khz 22 nv/hz x talk crosstalk channel to channel, v out = 2v pp , f = 10khz 82 db channel to channel, v out = 2v pp , f = 50khz 74 db dc performance v io input offset voltage -8 1. 5 8 mv d vio average drift 15 v/c i b input bias current 90 450 na di b average drift 40 pa/c psrr power supply rejection ratio dc 55 85 db a ol open loop gain v out = v s / 2 80 db i s supply current per channel 160 235 a input characteristics r in input resistance non-inverting 12 m c in input capacitance 2 pf cmir common mode input range -0.25 to 5.25 v cmrr common mode rejection ratio dc 58 80 db output characteristics v out output voltage swing r l = 10k to v s / 2 0.08 to 4.92 0.04 to 4.96 v r l = 1k to v s / 2 0.07 to 4.9 v r l = 200 to v s / 2 0.14 to 4.67 v i out output current 35 ma clc2011, clc4011
? 2009 - 2014 exar corporation 5 / 17 exar.com/clc2011 rev 1d clc2011 pin assignments soic-8 / msop-8 pin no. pin name description 1 out1 output, channel 1 2 -in1 negative input, channel 1 3 +in1 positive input, channel 1 4 -v s negative supply 5 +in2 positive input, channel 2 6 -in2 negative input, channel 2 7 out2 output, channel 2 8 +v s positive supply clc2011 pin confgurations soic-8 / msop-8 - + - + 1 2 3 4 out1 -in1 +in1 -v s +v s out2 -in2 +in2 8 7 6 5 clc4011 pin assignments soic-14 / tssop-14 pin no. pin name description 1 out1 output, channel 1 2 -in1 negative input, channel 1 3 +in1 positive input, channel 1 4 +v s positive supply 5 +in2 positive input, channel 2 6 -in2 negative input, channel 2 7 out2 output, channel 2 8 out3 output, channel 3 9 -in3 negative input, channel 3 10 +in3 positive input, channel 3 11 -v s negative supply 12 +in4 positive input, channel 4 13 -in4 negative input, channel 4 14 out4 output, channel 4 clc4011 pin confguration soic-14 / tssop-14 2 3 4 11 12 13 14 -in4 +in1 out4 +in4 1 -in1 out1 5 6 7 out2 -in2 +in2 8 9 10 +in3 -in3 out3 +v s -v s clc2011, clc4011
? 2009 - 2014 exar corporation 6 / 17 exar.com/clc2011 rev 1d typical performance characteristics t a = 25c, v s = +2.7v, r f = r g = 5k, r l = 10k to v s /2; g = 2; unless otherwise noted. frequency response vs c l frequency response vs r l non-inverting frequency response at v s = 2.7v inverting frequency response at v s = 2.7v non-inverting frequency response at v s = 5v inverting frequency response at v s = 5v normalize d magnitud e (1db/div) frequency (mhz) 0.01 0.1 r f = 5k? 1 10 g = 5 r f = 5k? g = 1 r f = 0 g = 2 r f = 5k? v o = 0.2v pp normalize d magnitud e (1db/div) frequency (mhz) 0.01 0.1 r f = 5k? 1 10 r f = 5k? r f = 5k? r f = 5k? v o = 0.2v pp normalize d magnitud e (1db/div) frequency (mhz) 0.01 0.1 r f = 5k? 1 10 g = 5 r f = 5k? g = 1 r f = 0 g = 2 r f = 5k? v o = 0.2v pp normalize d magnitud e (1db/div) frequency (mhz) 0.01 0.1 g=-10 1 10 g=-5 g=-1 g=-2 r f = 5k? magnitud e (1db/div) frequency (mhz) 0.01 0.1 1 10 c l r s = 100? c l r s = 0? c l r s = 0? c l r s = 0? 5k? 5k? r s c l r l v o = 0.05v + - magnitude (1db/div) frequency (mhz) 0.01 0.1 1 10 r l = 1k r l = 50 r l = 10k r l = 200 clc2011, clc4011
? 2009 - 2014 exar corporation 7 / 17 exar.com/clc2011 rev 1d typical performance characteristics t a = 25c, v s = +2.7v, r f = r g = 5k, r l = 10k to v s /2; g = 2; unless otherwise noted. 2nd & 3rd harmonic distortion at v s = 2.7v input voltage noise 2nd harmonic distortion vs v out 3rd harmonic distortion vs v out frequency response vs. v out open loop gain & phase vs. frequency magnitud e (1db/div) frequency (mhz) 0.01 0.1 1 10 v o = 4v pp v s = 5v v o = 1v pp v o = 2v pp ope n loo p gain (db) frequency (hz) 10 0 10 1 10 2 10 3 10 4 10 5 10 6 10 7 10 8 -20 60 140 no load 0 ope n loop phase (deg) -180 -90 0 -135 -45 no load r l = 10k? r l = 10k? v s = 5v 20 40 80 120 100 distortio n (dbc) output amplitude (v pp ) 0.5 1 1.5 2 100khz 50khz 10khz 2.5 -90 -80 -70 -60 -50 -40 -30 -20 10khz, 20khz 50khz distortio n (dbc) output amplitude (v pp ) 0.5 1 1.5 2 100khz 50khz 10khz 2.5 -90 -80 -70 -60 -50 -40 -30 -20 20khz distortio n (dbc) frequency (khz) 0 20 40 6 0 80 r l = 1k? 100 r l = 200? r l = 10k? r l = 1k? -90 -80 -70 -60 -50 -40 -30 -20 v o = 1v pp r l = 10k? r l = 200? nv/ hz frequency (hz) 0.1k 100k 10k 1k 1m 0 10 15 20 25 55 30 35 40 45 50 5 clc2011, clc4011
? 2009 - 2014 exar corporation 8 / 17 exar.com/clc2011 rev 1d typical performance characteristics t a = 25c, v s = +2.7v, r f = r g = 5k, r l = 10k to v s /2; g = 2; unless otherwise noted. crosstalk vs. frequency output swing vs. load pulse response vs. common mode voltage cmrr psrr cmr r (db) frequency (hz) 10 100 10000 1000 100000 -90 -80 -70 -60 0 -50 -40 -10 -30 -20 psrr (db) frequency (hz) 10 10000 1000 100 100000 -90 -70 -60 -50 -40 0 -30 -20 -10 -80 outpu t voltag e (0.27v/div) input voltage (0.4v/div) -2.0 0 2.0 -1.35 0 1.35 r l = 10k? r l = 1k? r l = 75/100? r l = 200? r l = 100? r l = 75? outpu t voltag e (0.5v/div) time (1 s/div) 1.2v offset 0.6v offset no offset -0.6v offset -1.2v offset clc2011, clc4011
? 2009 - 2014 exar corporation 9 / 17 exar.com/clc2011 rev 1d application information general description the clcx011 family of amplifers are single supply, general purpose, voltage-feedback amplifers. they are fabricated on a complimentary bipolar process, feature a rail-to-rail input and output, and are unity gain stable. basic operation figures 1, 2, and 3 illustrate typical circuit confgurations for non-inverting, inverting, and unity gain topologies for dual supply applications. they show the recommended bypass capacitor values and overall closed loop gain equations. figure 4 shows the typical non-inverting gain circuit for single supply applications. + - r f 0.1f 6.8f output g = 1 + (r f /r g ) input +v s -v s r g 0.1f 6.8f r l figure 1: typical non-inverting gain circuit + - r f 0.1f 6.8f output g = - (r f /r g ) for optimum input offset voltage set r 1 = r f || r g input +v s -v s 0.1f 6.8f r l r g r 1 figure 2: typical inverting gain circuit + - 0.1f 6.8f output g = 1 input +v s -v s 0.1f 6.8f r l figure 3: unity gain circuit + - r f 0.1f 6.8f out in +v s + r g figure 4: single supply non-inverting gain circuit power dissipation power dissipation should not be a factor when operating under the stated 10k load condition. however, applications with low impedance, dc coupled loads should be analyzed to ensure that maximum allowed junction temperature is not exceeded. guidelines listed below can be used to verify that the particular application will not cause the device to operate beyond its intended operating range. maximum power levels are set by the absolute maximum junction rating of 150c. to calculate the junction temperature, the package thermal resistance value theta ja ( f ja ) is used along with the total die power dissipation. t junction = t ambient + ( f ja p d ) where t ambient is the temperature of the working environment. clc2011, clc4011
? 2009 - 2014 exar corporation 10 / 17 exar.com/clc2011 rev 1d in order to determine p d , the power dissipated in the load needs to be subtracted from the total power delivered by the supplies. p d = p supply - p load supply power is calculated by the standard power equation. p supply = v supply i rmssupply v supply = v s+ - v s- power delivered to a purely resistive load is: p load = ((v load ) rms 2 )/rload eff the effective load resistor (rload eff ) will need to include the effect of the feedback network. for instance, rload eff in figure 3 would be calculated as: r l || (r f + r g ) these measurements are basic and are relatively easy to perform with standard lab equipment. for design purposes however, prior knowledge of actual signal levels and load impedance is needed to determine the dissipated power. here, p d can be found from p d = p quiescent + p dynamic - p load quiescent power can be derived from the specifed i s values along with known supply voltage, v supply . load power can be calculated as above with the desired signal amplitudes using: (v load ) rms = v peak / 2 ( i load ) rms = ( v load ) rms / rload eff the dynamic power is focused primarily within the output stage driving the load. this value can be calculated as: p dynamic = (v s+ - v load ) rms ( i load ) rms assuming the load is referenced in the middle of the power rails or v supply /2. the clc2011 is short circuit protected. however, this may not guarantee that the maximum junction temperature (+150c) is not exceeded under all conditions. figure 5 shows the maximum safe power dissipation in the package vs. the ambient temperature for the packages available. 0 0.5 1 1.5 2 2.5 -40 -20 0 20 40 60 80 100 120 maximum power dissipation (w) ambient temperature ( c) msop -8 soic -8 tssop -14 soic -14 figure 5. maximum power derating input common mode voltage the common mode input range extends to 250mv below ground and to 250mv above vs, in single supply operation. exceeding these values will not cause phase reversal. however, if the input voltage exceeds the rails by more than 0.5v, the input esd devices will begin to conduct. the output will stay at the rail during this overdrive condition. if the absolute maximum input voltage (700mv beyond either rail) is exceeded, externally limit the input current to 5ma as shown in figure 6. + - input output 10k figure 6. circuit for input current protection driving capacitive loads increased phase delay at the output due to capacitive loading can cause ringing, peaking in the frequency response, and possible unstable behavior. use a series resistance, r s , between the amplifer and the load to help improve stability and settling performance. refer to figure 7. + - r f input output r g r s c l r l figure 7. addition of r s for driving capacitive loads clc2011, clc4011
? 2009 - 2014 exar corporation 11 / 17 exar.com/clc2011 rev 1d table 1 provides the recommended r s for various capacitive loads. the recommended r s values result in approximately <1db peaking in the frequency response. the frequency response vs. cl plot, on page 6, illustrates the response of the clcx011. c l (pf) r s () -3db bw (mhz) 10pf 0 2.2 20pf 0 2.4 50pf 0 2.5 100pf 100 2 table 1: recommended r s vs. c l for a given load capacitance, adjust r s to optimize the tradeoff between settling time and bandwidth. in general, reducing r s will increase bandwidth at the expense of additional overshoot and ringing. overdrive recovery an overdrive condition is defned as the point when either one of the inputs or the output exceed their specifed voltage range. overdrive recovery is the time needed for the amplifer to return to its normal or linear operating point. the recovery time varies, based on whether the input or output is overdriven and by how much the range is exceeded. the clcx011 will typically recover in less than 50ns from an overdrive condition. figure 8 shows the clc2011 in an overdriven condition. figure 8: overdrive recovery layout considerations general layout and supply bypassing play major roles in high frequency performance. exar has evaluation boards to use as a guide for high frequency layout and as an aid in device testing and characterization. follow the steps below as a basis for high frequency layout: include 6.8f and 0.1f ceramic capacitors for power supply decoupling place the 6.8f capacitor within 0.75 inches of the power pin place the 0.1f capacitor within 0.1 inches of the power pin remove the ground plane under and around the part, especially near the input and output pins to reduce parasitic capacitance minimize all trace lengths to reduce series inductances refer to the evaluation board layouts below for more information. evaluation board information the following evaluation boards are available to aid in the testing and layout of these devices: evaluation board # products ceb006 clc2011 in soic ceb010 clc2011 in msop ceb019 clc4011 in tssop ceb018 clc4011 in soic evaluation board schematics evaluation board schematics and layouts are shown in figures 9-16 these evaluation boards are built for dual- supply operation. follow these steps to use the board in a single-supply application: 1. short -v s to ground. 2. use c3 and c4, if the -v s pin of the amplifer is not directly connected to the ground plane. clc2011, clc4011
? 2009 - 2014 exar corporation 12 / 17 exar.com/clc2011 rev 1d figure 9. ceb006 & ceb010 schematic figure 10. ceb006 top view figure 11. ceb006 bottom view figure 12. ceb010 top view figure 13. ceb010 bottom view clc2011, clc4011
? 2009 - 2014 exar corporation 13 / 17 exar.com/clc2011 rev 1d figure 14. ceb018 schematic figure 15. ceb018 top view figure 16. ceb018 bottom view clc2011, clc4011
? 2009 - 2014 exar corporation 14 / 17 exar.com/clc2011 rev 1d mechanical dimensions msop-8 clc2011, clc4011
? 2009 - 2014 exar corporation 15 / 17 exar.com/clc2011 rev 1d mechanical dimensions soic-8 package soic-14 package ecn 1344-13 11/01/2013 clc2011, clc4011
? 2009 - 2014 exar corporation 16 / 17 exar.com/clc2011 rev 1d tssop-14 package ecn 1347-07 11/19/2013 ecn 1347-07 11/19/2013 clc2011, clc4011
for further assistance: email: c ustomersupport@exar.com or hpatechsupport@exar.com exar technical documentation: http://www.exar.com/techdoc/ exar corporation headquarters and sales offices 48760 kato road tel.: +1 (510) 668-7000 fremont, ca 94538 - usa fax: +1 (510) 668-7001 ? 2009 - 2014 exar corporation 17 / 17 exar.com/clc2011 rev 1d ordering information part number package green operating temperature range packaging clc2011 ordering information clc2011iso8x soic-8 ye s -40c to +125c tape & reel clc2011iso8mtr soic-8 ye s -40c to +125c mini tape & reel clc2011iso8evb evaluation board n/a n/a n/a clc2011imp8x msop-8 ye s -40c to +125c tape & reel clc2011imp8mtr msop-8 ye s -40c to +125c mini tape & reel clc2011imp8evb evaluation board n/a n/a n/a clc4011 ordering information clc4011iso14x soic-14 ye s -40c to +125c tape & reel clc4011iso14mtr soic-14 ye s -40c to +125c mini tape & reel clc4011iso14evb evaluation board n/a n/a n/a clc4011itp14x tssop-14 ye s -40c to +125c tape & reel clc4011itp14mtr tssop-14 ye s -40c to +125c mini tape & reel CLC4011ITP14EVB evaluation board n/a n/a n/a moisture sensitivity level for all parts is msl-1. mini tape and reel quantity is 250. revision history revision date description 1d (ecn 1504-01) january 19, 2015 reformat into exar data sheet template. updated pods and thermal resistance numbers. updated ordering information table to include mtr and evb part numbers. increased operating temperature to +125c. notice exar corporation reserves the right to make changes to the products contained in this publication in order to improve design, performance or reliability. exar corporation assumes no responsibility for the use of any circuits described herein, conveys no license under any patent or other right, and makes no representation that the circuits are free of patent infringement. charts and schedules contained here in are only for illustration purposes and may vary depending upon a users specifc application. while the information in this publication has been carefully checked; no responsibility, however, is assumed for inaccuracies. exar corporation does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can reasonably be expected to cause failure of the life support system or to signifcantly affect its safety or effectiveness. products are not authorized for use in such applications unless exar corporation receives, in writing, assurances to its satisfaction that: (a) the risk of injury or damage has been minimized; (b) the user assumes all such risks; (c) potential liability of exar corporation is adequately protected under the circumstances. reproduction, in part or whole, without the prior written consent of exar corporation is prohibited. clc2011, clc4011

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