PCM1774 datasheet(5/49 Pages) TI

Part #	PCM1774

Description	16-Bit, Low-Power Stereo Audio DAC With Analog Mixing, Line and Headphone Outputs

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Manufacturer	TI [Texas Instruments]

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PIN ASSIGNMENTS

16

17

18

19

20

10

9

8

7

6

1

2

3

4

5

15

14

13

12

11

V

COM

AGND

V

CC

AIN1R

AIN1L

BCK

SCKI

DGND

V

DD

V

IO

PCM1774RGP

(TOP VIEW)

PCM1774

SLAS551 – JULY 2007

Table 1. TERMINAL FUNCTIONS

TERMINAL

I/O

DESCRIPTION

NAME

NO.

AGND

17

–

Ground for analog

AIN1L

20

I

Analog input 1 for L-channel

AIN1R

19

I

Analog input 1 for R-channel

BCK

10

I/O

Serial bit clock

DGND

8

–

Digital ground

DIN

5

I

Serial audio data input

HPOL/LOL

15

O

Headphone/lineout for R-channel

HPOR/LOR

14

O

Headphone/lineout for L-channel

LRCK

11

I/O

Left and right channel clock

MC/SCL

4

I

Mode control clock for three-wire/two-wire interface

MD/SDA

3

I/O

Mode control data for three-wire/two-wire interface

MODE

1

I

Two- or three-wire interface selection (LOW: SPI, HIGH: I2C)

MS/ADR

2

I

Mode control select for three-wire/two-wire interface

PGND

12

–

Ground for speaker power amplifier

SCKI

9

I

System clock

VCC

18

–

Analog power supply

VCOM

16

–

Analog common voltage

VDD

7

–

Power supply for digital core

VIO

6

–

Power supply for digital I/O

VPA

13

–

Power supply for power amplifier

5

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