PCM3003E datasheet(6/42 Pages) TI2

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PCM3002

PCM3003

SBAS079A – OCTOBER 2000 – REVISED OCTOBER 2004

PIN ASSIGNMENTS—PCM3002 (continued)

NAME

I/O

DESCRIPTION

VINL

ADC analog input, Lch

VINR

ADC analog input, Rch

VOUTL

DAC analog output, Lch

VOUTR

DAC analog output, Rch

VREF1

–

ADC reference 1

VREF2

–

ADC reference 2

ZFLG

Zero flag output, active LOW(3)

(3)

Open-drain output

PIN ASSIGNMENTS—PCM3003

NAME

I/O

DESCRIPTION

AGND1

–

ADC analog ground

AGND2

–

DAC analog ground

BCKIN

Bit clock input(1)

DEM0

De-emphasis control 0(1)(2)

DEM1

De-emphasis control 1(1)(2)

DGND

–

Digital ground

DIN

Data input(1)

DOUT

Data output

LRCIN

Sample rate clock input (fs)(1)

PDAD

ADC power down, active LOW(1)(2)

PDDA

DAC power down, active LOW(1)(2)

SYSCLK

System clock input(1)

VCC1

1, 2

–

ADC analog power supply

VCC2

–

DAC analog power supply

VCOM

–

ADC/DAC common

VDD

–

Digital power supply

VINL

ADC analog input, Lch

VINR

ADC analog input, Rch

VOUTL

DAC analog output, Lch

VOUTR

DAC analog output, Rch

VREF1

–

ADC reference 1

VREF2

–

ADC reference 2

20BIT

20-bit format select(1)(2)

(1)

Schmitt-trigger input

(2)

With 100-k

Ω typical internal pulldown resistor

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