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REV. A

◇Structure

Silicon Monolithic integrated circuit

◇Product name

Audio interface LSI

◇Type

BU76310AGU

◇Applications

DVC, DSC, etc

◇Functions

＜Audio part＞

・Stereo 16 bit ΔΣCODEC

・2-input stereo selector

・Stereo microphone amplifier with ALC function

・Stereo line amplifier

・BTL output speaker amplifier (400mW@8Ω, THD+N=10%, VDD=3.3V)

・64-step electronic volume with ALC function

・PLL built-in（Reference clock：12MHz、24MHz、27MHz、16fs、32fs、64fs）

＜PLL mode＞

8kHz, 11.025 kHz, 12 kHz, 16 kHz

22.05 kHz, 24kHz, 32kHz, 44.1kHz, 48 kHz

＜non-PLL mode＞

8kHz ～ 48kHz

・Master clock output

Three-line serial interface （power on reset function）

Audio IF format MSB First,2’s compliment

◇Absolute maximum ratings （Ta=25℃）

Parameter

Symbol

Limits

Unit

Comment

Supply voltage

VDD

-0.3～4.5

Ｖ

AVDD、DVDD、SPVDD

Input voltage

VIN

-0.3～supply voltage +0.3

Ｖ

keep each limits upon

Storage temperature range

TSTG

-50～125

℃

Operating temperature range

TOPE

-20～85

℃

Power dissipation *1

PD

ｍＷ

＊１：In the case of use at Ta=25℃ or more, 9.2mW should be reduced per 1℃.

Radiation resistance design is not arranged.

◇Operating conditions （Ta=25℃）

Parameter

Symbol

Limits

Unit

Comment

Supply voltage

VDD

2.7～3.6

Ｖ

AVDD、DVDD、SPVDD

（note） AVDD、DVDD、SPVDD、are not needed to be same voltage.

（note） Please do not set SPVDD lower than AVDD-0.3V.

（note） Please do not surpass package permissible loss, when SPVDD is set.