BH3854AS - Serial sound controller

ROHM

Datasheet Details

Part number	BH3854AS
Manufacturer	ROHM
File Size	306.60 KB
Description	Serial sound controller
Datasheet	BH3854AS Datasheet

General Description

s 634 Audio ICs BH3854AS / BH3854AFS FElectrical characteristics (unless otherwise noted, Ta = 25_C, VCC = 8V, f = 1kHz, BW = 20 X 20kHz, VOL = Max., TONE = ALL FLAT, Rg = 600Ω, RL = 10kΩ, INPUT AMP GAIN = 0dB) FTiming chart constants Note: About the output pins...

SPins 1 through 4 (pins 12 through 15) are reset when the power is turned ON.

SAfter the pins are reset, until the Vcc voltage setting for this IC (BH3854) is reached and the next data Sis input, the pins only operate while the CK, DATA, and LATCH lines are all maintained at LOW.

Overview

Audio ICs Serial sound control IC BH3854AS / BH3854AFS The BH3854AS and BH3854AFS are signal processing ICs designed for volume and tone control in CD radio cassettes and other audio products.

Their three-line serial control enables them to control volume and tone on the basis of signals from a microcomputer, etc.

Key Features

1) They facilitate direct serial control from a microcomputer of volume (main volume) and tone (bass, treble). DC control is also possible. 2) Volume is produced by a low-distortion, low-noise VCA. Designed to minimize step noise. 3) Input amp can be used for gain adjustment, and matrix surround yields powerful sound. 4) Stable standard voltage supply and built-in I / O buffer mean that few attachments are needed. SSOP32 package designed to save space. FAbsolute maximum ratings (Ta = 25_C) 5) Op.

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