PCM1792 datasheet(6/61 Pages) TI1

Part #	PCM1792

Description	AUDIO STEREO DIGITAL-TO-ANALOG CONVERTER

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Manufacturer	TI1 [Texas Instruments]

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PCM1792

SLES069B − MARCH 2003 − REVISED NOVEMBER 2006

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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)

DATA

5

I

Serial audio data input for normal operation(1)

DGND

8

−

Digital ground

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 for normal operation(1)

MC

12

I

Mode control clock input(1)

MDI

11

I

Mode control data input(1)

MDO

13

I/O

Mode control readback data output(3)

MS

10

I/O

Mode control chip-select input(2)

MSEL

3

I

I2C/SPI select(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-channel 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

ZEROL

1

I/O

Zero flag for L-channel(2)

ZEROR

2

I/O

Zero flag for R-channel(2)

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

(2) Schmitt-trigger input and output. 5-V tolerant input and CMOS output

(3) Schmitt-trigger input and output. 5-V tolerant input. In I2C mode, this pin becomes an open-drain 3-state output; otherwise, this pin is a CMOS

output.

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PCM1792 Datasheet(PDF) 6 Page - Texas Instruments

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