PCM1798 datasheet(6/25 Pages) TI

Part #	PCM1798

Description	24-BIT, 192-KHZ SAMPLING ADVANCED SEGMENT, AUDIO STEREO DIGITAL TO ANALOG CONVERTER

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Manufacturer	TI [Texas Instruments]

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PCM1798

SLES102 – DECEMBER 2003

www.ti.com

6

Terminal Functions

TERMINAL

I/O

DESCRIPTIONS

NAME

I/O

DESCRIPTIONS

AGND1

19

–

Analog ground (internal bias)

AGND2

24

–

Analog ground (internal bias)

AGND3L

27

–

Analog ground (L-channel DACFF)

AGND3R

16

–

Analog ground (R-channel DACFF)

BCK

6

I

Bit clock input (1)

CHSL

2

I

L-, R-channel select (1)

DATA

5

I

Serial audio data input (1)

DEM

3

I

De-emphasis enable (1)

DGND

8

–

Digital ground

FMT0

11

I

Audio data format select (1)

FMT1

12

I

Audio data format select (1)

IOUTL+

25

O

L-channel analog current output +

IOUTL–

26

O

L-channel analog current output –

IOUTR+

17

O

R-channel analog current output +

IOUTR–

18

O

R-channel analog current output –

IREF

20

–

Output current reference bias pin

LRCK

4

I

Left and right clock (fS) input (1)

MONO

1

I

Monaural mode enable (1)

MUTE

10

I

Mute control (1)

RST

14

I

Reset(1)

SCK

7

I

System clock input(1)

VCC1

23

–

Analog power supply, 5 V

VCC2L

28

–

Analog power supply (L-channel DACFF), 5 V

VCC2R

15

–

Analog power supply (R-cahnnel DACFF), 5 V

VCOML

22

–

L-channel internal bias decoupling pin

VCOMR

21

–

R-channel internal bias decoupling pin

VDD

9

–

Digital power supply, 3.3 V

ZERO

13

O

Zero flag

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

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PCM1798 Datasheet(PDF) 6 Page - Texas Instruments

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