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| Audio ICs Pre-power amplifier for headphone stereos BA3612AKV The BA3612AKV is configured of a pre-amplifier and a headphone amplifier, and contains internal AMS, B.B, AVLS, and BEEP amplifier functions. Also, this IC can be used in combination with the BA3641FV to enable configuration of recording and playback sets. FApplications Portable cassette players FFeatures 1) Low current consumption. 2) Internal AMS function. 3) Internal B.B function. 4) Internal AVLS function. FAbsolute maximum ratings (Ta = 25_C) 5) Internal BEEP amplifier. 6) Supports Dolby-B. 7) Supports OCL output. FRecommended operating conditions (Ta = 25_C) 355 Audio ICs FBlock diagram BA3612AKV 356 Audio ICs BA3612AKV FPin descriptions (The pin voltage of VCC = 2.3V, )B = 1.3V is the standard value for the measurement circuit under quiescent conditions. Modes: PWR-ON, TC, FWD, NOR, Mute-OFF, B.B-OFF, AVLS-OFF) 357 Audio ICs BA3612AKV 358 Audio ICs BA3612AKV 359 Audio ICs BA3612AKV 360 Audio ICs BA3612AKV 361 Audio ICs BA3612AKV 362 Audio ICs BA3612AKV FElectrical characteristics (unless otherwise noted, )B = 1.3V, VCC = 2.3V, f = 1kHz, PreOutRL = 5k, PWROutRL = 16 (OCL), Ta = 25_C, and measurement condition pertaining to ripple: VCC and )B are common-mode input) 363 Audio ICs BA3612AKV (unless otherwise noted, )B = 1.3V, VCC = 2.3V, f = 1kHz, PreOutRL = 5k, PWROutRL = 16 (OCL), Ta = 25_C, and measurement condition pertaining to ripple: VCC and )B are common-mode input) 364 Audio ICs BA3612AKV (unless otherwise noted, )B = 1.3V, VCC = 2.3V, f = 1kHz, PreOutRL = 5k(OCL), PWROutRL = 16 (OCL), Ta = 25_C) 365 Audio ICs BA3612AKV Conditions applied to control pins (Unless otherwise noted, )B = 0.9V, VCC = 1.7V, f = 1kHz, PreOutRL = 5k ,PWROutRL = 16 (OCL), Ta = 25_C) 366 Audio ICs FMeasurement circuit BA3612AKV 367 Audio ICs FElectrical characteristic curves BA3612AKV FExternal dimensions (Units: mm) 368 |
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