PCM3010DB datasheet(5/31 Pages) TI

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PCM3010

SLES055 – NOVEMBER 2002

www.ti.com

Terminal Functions

TERMINAL

I/O

DESCRIPTIONS

NAME

NO.

I/O

DESCRIPTIONS

AGND1

–

ADC analog ground

AGND2

–

DAC analog ground

BCK

Audio data bit clock input‡

DEMP1

De-emphasis select input, 1†

DEMP0

De-emphasis select input, 0†

DGND

–

Digital ground

DIN

Audio data digital input‡

DOUT

Audio data digital output

FMT0

Audio data format select input, 0†

FMT1

Audio data format select input, 1†

LRCK

Audio data latch enable input‡

PDWN

ADC and DAC power-down control input, active LOW†

SCKI

System clock input‡

TEST

Test control, must be open or connected to DGND†

VCC1

–

ADC analog power supply, 5 V

VCC2

–

DAC analog power supply, 5 V

VCOM

–

DAC common voltage decoupling (= 0.5 VCC2)

VDD

–

Digital power supply, 3.3 V

VINL

ADC analog input, L-channel

VINR

ADC analog input, R-channel

VOUTL

DAC analog output, L-channel

VOUTR

DAC analog output, R-channel

VREF1

–

ADC reference voltage decoupling, 1 (= 0.5 VCC1)

VREF2

–

ADC reference voltage decoupling, 2

† Schimtt-trigger input with 50-k

Ω typical internal pulldown resistor, 5-V tolerant.

‡ Schimtt-trigger input, 5-V tolerant.

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