PCM1793DBR datasheet(5/25 Pages) TI

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PCM1793

SLES076A − MARCH 2003 − REVISED JANUARY 2004

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Terminal Functions

TERMINAL

I/O

DESCRIPTIONS

NAME

I/O

DESCRIPTIONS

AGNDC

−

Analog ground (internal bias and current DAC)

AGNDF

−

Analog ground (DACFF)

AGNDL

−

Analog ground (L-channel I/V)

AGNDR

−

Analog ground (R-channel I/V)

BCK

Bit clock input (1)

DATA

Serial audio data input (1)

DEMP0

De-emphasis control 0 (1)

DEMP1

De-emphasis control 1 (1)

DGND

−

Digital ground

FMT0

Audio data format select 0 (1)

FMT1

Audio data format select 1 (1)

FMT2

Audio data format select 2 (1)

LRCK

Left and right clock (fS) input (1)

MUTE

Analog output mute control (1)

RST

Reset(1)

SCK

System clock input(1)

VCCC

−

Analog power supply (internal bias and current DAC), 5 V

VCCF

−

Analog power supply (DACFF), 5 V

VCCL

−

Analog power supply (L-channel I/V), 5 V

VCCR

−

Analog power supply (R-channel I/V), 5 V

VCOM

−

Internal bias decoupling pin

VDD

−

Digital power supply, 3.3 V

VOUTL+

L-channel analog voltage output +

VOUTL−

L-channel analog voltage output −

VOUTR+

R-channel analog voltage output +

VOUTR−

R-channel analog voltage output −

ZEROL

Zero flag for L-channel

ZEROR

Zero flag for R-channel

(1) Schmitt-trigger input, 5-V tolerant

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