BH7826FVM communication ics 1/2 audio driver ic for mobile phones BH7826FVM BH7826FVM is an audio driver ic developed for mobile audio products such as mobile phones. low voltage operation, and low power consumption can be realized. differential input is available for this ic. ! ! ! ! applications mobile phones, pda, notebook pc, dsc, dvc ! ! ! ! features 1) btl monaural power amplifier. 2) high power 500mw / 8 ? / btl output. 3) wide supply voltage range. 4) for active / shutdown mode. 5) built-in anti-pop circuit / thermal shutdown circuit ! ! ! ! external dimensions ( units : mm) msop8 4 1 5 8 2.9 0.1 0.475 0.65 4.0 0.2 0.6 0.2 0.29 0.15 2.8 0.1 0.75 0.05 0.08 0.05 0.9max. 0.08 s 0.08 m 0.145 + 0.05 ? 0.03 0.22 + 0.05 ? 0.04 ! ! ! ! absolute maximum ratings ( ta = 2 5 c) parameter symbol limits unit applied voltage power dissipation operating temperature range storage temperature range v cc max. pd topr tstg 6.0 470 ? 30~ + 85 ? 55~ + 125 v mw c c derating 4.7mw/ c for operation above ta = 25 c. 70mm 70mm 1.6mm glass epoxy mounting. ? 1 ? 1 ? 2 ? 2 topr = 70 85 c is basic operation range, characteristic and rated output are not guaranteed.in this range if the input signal is exceeded, tsd (thermal shutdown) may operate. ! ! ! ! recommended operating conditions ( ta = 2 5 c) parameter symbol min. unit operating supply voltage range v ccs v typ. max. 2.6 3.6 5.5
BH7826FVM communication ics 2/2 ! ! ! ! electrical characteristics ( unless otherwise noted,ta=27 c, v cc = ? 3.6v, f=1khz, r l =8 ? ) parameter conditions circuit current 1 suspend attenuation value circuit current 2 voltage gain maximum output voltage 1 distortion rate output residual noise bias setting voltage suspend holding voltage / h suspend holding voltage / l ? 1 : b.w.=0.4~30khz dstn = 1% btl ? 1 no signal, active mode v in1 = v in2 =? 20dbv,btl ? 2 no signal, suspend mode v in1 = v in2 =? 20dbv,rf/rs = 100k/22k, se ? 1 v in1 = v in2 =? 20dbv se ? 1 no signal,se, active mode ? 2 3pin dc voltage active mode,hold voltage suspend mode,hold voltage symbol i cc1 i cc2 g v1 v om1 dstn v no g s v bias v sh v sl min. typ. max. unit 3.5 0 + 11.5 + 6.0 0.2 ? 94 ? 107 1.8 ? ? 7 2 + 13.5 ? 1.0 ? 80 ? 80 2.0 vcc 0.5 ? ? + 9.5 + 4.0 ? ? ? 1.6 2.0 0 ma a db dbv % dbv dbv v v v ? 2 : din audio ! ! ! ! application circuit a / s ? + ? + bias 7 1 3 4 8 6 5 2 r1 1 0.1 r2 1 suspend sp _ in1 cf speaker 8/12 ? r1 0.1 sp _ in2 cf r2 BH7826FVM
|
