PCM1730E datasheet(3/24 Pages) TI

Part #	PCM1730E

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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PCM1730

SLES021 – NOVEMBER 2001

3

www.ti.com

Terminal Functions

TERMINAL

I/O

DESCRIPTION

NAME

I/O

DESCRIPTION

AGND1

18

–

Analog ground

AGND2

27

–

Analog ground

BCK

6

I

Bit clock input†

DATA

5

I

Serial audio data input†

DEMP0

10

I

De-emphasis control‡

DEMP1

11

I

De-emphasis control‡

DGND

8

–

Digital ground

FMT0

12

I

Audio data format select†

FMT1

13

I

Audio data format select†

FMT2

14

I

Audio data format select†

IOUTL–

26

O

L-channel analog current output –

IOUTL+

25

O

L-channel analog current output +

IOUTR–

16

O

R-channel analog current output –

IOUTR+

17

O

R-channel analog current output +

IREF

21

–

Output current reference bias pin. Connect a 16-k

Ω resistor to GND.

LRCK

4

I

Left and right clock (fS)†

MUTE

15

I

Analog output mute control†

RST

1

I

Reset†

SCKI

7

I

System clock input†

VCC1

23

–

Analog supply, 5 V

VCC2

24

–

Analog supply, 5 V

VCC3

28

–

Analog power supply, 5 V

VCOM1

19

–

Internal bias decoupling pin

VCOM2

20

–

Common voltage for I/V

VCOM3

22

–

Internal bias decoupling pin

VDD

9

–

Digital supply, 3.3 V

ZEROL

2

O

Zero flag for L-channel

ZEROR

3

O

Zero flag for R-channel

† Schmitt-trigger input, 5-V tolerant

‡ Schmitt-trigger input with internal pulldown, 5-V tolerant

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