1/4 rev. b structure : silicon monolithic integrated circuit product : audio sound controller type : BD3882FV feature : dual built-in recording and playing preamplifie rs for cassette tapes less external components allows a compact size of the set. the shock sound at power-on/off is absorbed by both power sou rces. the reference voltage of signal systems is designed to be a gro und level so that low offset voltage and l ow noise are achieved. absolute maximum ratings (ta=25) parameter symbol limits unit power supply voltage vdd 5 v vee -5 power dissipation pd 900 mw operating temperature topr 2075 storage temperature tastg 55125 over ta25 ? c, derating at the rate of 9.0mw/ ? c. when installed on the standard board (size: 70701.6mm). operating voltage range symbol limit unit vdd 3.54.75 v vee -4.75-3.5 v (it must function nor mally at ta = 25) application example note that rohm cannot provide adequate confirmation of patents. the product described in this specification is designed to be u sed with ordinary electronic equipment or devices (such as audio-visual equipment, office-automation equipment, communicat ions devices, electrical appliances, and electronic toys). should you intend to use this product with equipment or devices which require an extremely hig h level of reliability and the malfunction of which would directly endanger human life (such a s medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and ot her safety devices), please be sure to consult with our sales representative in advance.
2/4 rev. b electrical characteristics (ta = 25 ? c, vdd = 4.5v, vee = -4.5v, f = 1khz, vin = 50mvrms, rg = 600 ? , rl = 10k ? , input selector = ach, front volume=0db, rear volume=0d b, bass=0db, mi ddle=0db, treble =0db, unless otherwise noted.) parameter symbol limit unit conditions min. typ. max. general vdd circuit current iqvdd - 4.5 10.0 ma vin = 0vrms vee circuit current iqvee -10.0 -4.5 - ach maximum input voltage vaim 0.6 0.8 - vrms thd(vout) =1%, bpf = 40030khz front volume = -6db rear volume = -18db bch maximum input voltage vbim cch maximum input voltage vcim maximum input voltage tp vimtp 0.6 0.8 - vrms thd(vout)=1%, bpf = 40030khz gain = 10db, front volume = -6db rear volume = -18db maximum output voltage vom 2.2 2.5 - vrms thd = 1%, bpf = 40030khz voltage gain gv 26 28 30 db gv = 20log(vout/vin) channel balance cb -1.5 0 1.5 db cb = gv1-gv2 total harmonic distortion ratio thd - 0.01 0.1 bpf = 400-30khz output noise voltage vno - 22 60 vrms bpf = ihf-a, rg = 0 residual noise voltage vmno - 3 8 vrms volume=-, bpf = ihf-a, rg=0 cross-talk between channels * ct 70 85 - db ct = 20log(vin/vout) bpf = ihf-a, rg = 0 output impedance rout 50 input voltage gain a gva 8 10 12 db voltage gain b gvb voltage gain c gvc cross-talk between selectors a1chb1ch * ctab1 -110 -70 db rg = 0, bpf = ihf-a vin=500mvrms cross-talk between selectors a2chb2ch * ctab2 cross-talk between selectors b1chc1ch * ctbc1 cross-talk between selectors b2chc2ch * ctbc2 cross-talk between selectors c1cha1ch * ctca1 cross-talk between selectors c2cha2ch * ctca2 selector output impedance rsout 50 kara oke karaoke voltage gain 1ch mono gk1 8 10 12 db 1ch mono karaoke voltage gain 2ch mono gk2 8 10 12 db 2ch mono karaoke voltage gain 1ch + 2ch gk12 8 10 12 db 1ch+2ch recoding eq voltage gain rc gvrc 38 40 42 db f=10khz maximum output voltage rc vomrc 2.2 2.5 - vrms thd=1%, bpf=40030khz input conversion noise voltage rc vnorc - 1.5 3.0 vrms rg = 0, bpf = ihf-a slew rate rc vtr 2 4 - v/s play back eq voltage gain tp gvtp 44 46 48 db f=10khz maximum output voltage tp vomtp 2.2 2.5 - vrms thd=1%, bpf=40030khz input conversion noise voltage tp vnotp - 1.1 2.0 vrms rg=2.2k, bpf=ihf-a, gv=20db front volume volume maximum input voltage vimv 1.5 1.9 D vrms thd(vout)=1%, bpf=40030khz front volume att=-6db rear volume att=-18db volume input impedance rvin 14 20 26 k volume control range vr -79 -76 -73 db bpf = ihf-a volume control step 1 sv1 - 2 - db 0db to ? 36db volume control step 2 sv2 - 4 - db -36db to ? 76db volume setting error f evf -2 0 2 db 0db to ? 76db volume maximum attenuation * attm -116 -90 db volume = -, bpf = ihf-a att=20log(vout/vin)-18db rear volume volume control range rvr -20 -18 -16 db bpf=40030khz volume setting error r evrr -2 0 2 db all steps
3/4 rev. b parameter symbol limit unit conditions min. typ. max. bass bass boost control range gbbr +11 +14 +17 db f = 55hz, vin = 10mvrms bass = +14db bass cut control range gbcr -17 -14 -11 db f = 55hz, vin = 10mvrms bass = -14db bass control step sbc - 2 - db f = 55hz vin = 10mvrms bass setting error (-12db12db) ebs1 -2 0 2 db bass setting error 14db ebs2 -3 0 3 db treble treble boost control range gbr +11 +14 +17 db f = 10khz, vin = 10mvrms treble = +14db treble cut control range gtcr -17 -14 -11 db f = 10khz, vin = 10mvrms treble = -14db treble control step stc - 2 - db f = 10khz vin = 10mvrms treble setting error (-12db12db) ets1 -2 0 2 db treble setting error (14db) ets2 -3 0 3 db middle middle boost control range gmbr +11 +14 +17 db f = 1khz, vin = 10mvrms middle = +14db middle cut control range gmcr -17 -14 -11 db f = 1khz, vin = 10mvrms middle = -14db middle control step smc - 2 - db f = 1khz vin = 10mvrms middle setting error (-12db12db) ems1 -2 0 2 db middle setting error (14db) ems2 -3 0 3 db the operational amplifier for pb should be used with the gain o f 10db or above. the input voltage over 1.9vrms(typ.) causes a distortion on the output wave at around the setting of front volume=0db. therefore, using at 1.9v rms or less is recommended. for measurement, vp-9690a (average value wave detection, effect ive value display) ihf-a filter by matsushita communication industrial is used. phase relation between input/outp ut signal terminals is equipha se. not designed for radiation resistance. outline dimension?marking dimension block diagram 7 69 8 4 35 12 11 10 14 13 2 1 16 15 17 18 19 20 29 30 31 32 33 27 28 34 35 36 37 38 39 40 26 25 24 23 22 21 rvfil1 rvfil2 pbn pb2n volin1 mgnd volin2 bas12 pb1p pb2p tre21 tre11 mid21 mid22 rec2o rec2n rec1n rec1o logic control pb1o pb2o 9.3k 20k 20k 9.3k vdd si vee sc bass out1 tre12 tre22 front volume fgnd out2 bas11 bas22 mid11 mid12 inc1 inc2 inb1 inb2 ina1 ina2 bas21 rear volume rear volume front volume bass middle middle treble treble BD3882FV lot no. ssop-b40 (unitmm) unit: resistance =
4/4 rev. b pin number?pin name pin number pin name pin number pin name pin number pin name pin nu mber pin name pin number pin name 1 pb1n 9 volin2 17 vdd 25 bas11 33 inb1 2 pb1p 10 mgnd 18 si 26 bas12 34 inb2 3 pb2p 11 tre11 19 sc 27 out2 35 inc1 4 pb2n 12 tre12 20 vee 28 out1 36 inc2 5 fgnd 13 tre21 21 mid11 29 rvfil1 37 rec2o 6 pb2o 14 tre22 22 mid12 30 rvfil2 38 rec2n 7 pb1o 15 mid21 23 bas21 31 ina1 39 rec1n 8 volin1 16 mid22 24 bas22 32 ina2 40 rec1o cautions on use 1 about operating voltage range an d operating temperature range within the operating voltage range and the operating temperatu re range, while basic circuit functional operations are supposed to be guaranteed, the standard values o f the electrical characteristics are guaranteed only when used under the specific conditions defined within these ranges. thus, the users must verify those conditions before setting constants, elements , voltages, and temperatures. note that the conditions of power dissipati on are also affected with temp eratures. 2 about power on reset a built-in circuit for performing initialization inside the ic at power-on is provided. in the case of the set design, however, to be on the safe side, it is recommended that data shall be sent to all the addresses as initial data at power-on and, until this sending operation i s completed, the mute shall be applied. 3 about 2-wire serial control as the terminals of si and sc are designed for inputting high-f requency digital signals, the wiring and layout patterns should be routed not to cause interference with the analog-signal-related lines. 4 about power on/off shock sound absorbing measures at power on/off are implemented on 5pin, 6pin, 16pin, 18pin, 25pin, and 28pin for bd3881fv, as well as on 6pin, 7pin, 27pin, 28pin, 37pin, and 40pin for BD3882FV. when booting up power supplies, the vee side should be booted a litt le bit earlier than the other side. if the vdd side is booted up first, an excessive current may pass vdd through vee. when booting off the power supply, the vdd side should be booted off a little bit ea rlier than the other side. note that, at this time, voltage change passing through the gnd level may produce an abnormally large current. 5 about function switching on switching between the front volume, rear volume, bass, middl e, treble, karaoke, and rec mute functions, the action has been taken to absorb such switching s hock sound. for the other function switching operations, a combined use of mute is recommendable. function initial condition input selector mute rec output rec mute karaoke stereo front volume - ? db rear volume -18db treble gain 0db middle gain 0db bass gain 0db
r1120 a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. notice rohm customer support system http://www.rohm.com/contact/ thank you for your accessing to rohm product informations. more detail product informations and catalogs are available, please contact us. notes no copying or reproduction of this document, in part or in whole, is permitted without the consent of rohm co.,ltd. the content specified herein is subject to change for improvement without notice. the content specified herein is for the purpose of introducing rohm's products (hereinafter "products"). if you wish to use any such product, please be sure to refer to the specifications, which can be obtained from rohm upon request. examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the products. the peripheral conditions must be taken into account when designing circuits for mass production. great care was taken in ensuring the accuracy of the information specified in this document. however, should you incur any damage arising from any inaccuracy or misprint of such information, rohm shall bear no responsibility for such damage. the technical information specified herein is intended only to show the typical functions of and examples of application circuits for the produc ts. rohm does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by rohm and other parties. rohm shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. the products specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, commu- nication devices, electronic appliances and amusement devices). the products specified in this document are not designed to be radiation tolerant. while rohm always makes efforts to enhance the quality and reliability of its products, a product may fail or malfunction for a variety of reasons. please be sure to implement in your equipment using the products safety measures to guard against the possibility of physical injury, fire or any other damage caused in the event of the failure of any product, such as derating, redundancy, fire control and fail-safe designs. rohm shall bear no responsibility whatsoever for your use of any product outside of the prescribed scope or not in accordance with the instruction manual. the products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel- controller or other safety device). rohm shall bear no responsibility in any way for use of any of the products for the above special purposes. if a product is intended to be used for any such special purpose, please contact a rohm sales representative before purchasing. if you intend to export or ship overseas any product or technology specified herein that may be controlled under the foreign exchange and the foreign trade law, you will be required to obtain a license or permit under the law.
|
