TLV320AIC21CPFB datasheet(3/53 Pages) TI

Part #	TLV320AIC21CPFB

Description	Layout and Grounding Guidelines for TLV320AIC2x

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Manufacturer	TI [Texas Instruments]

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VSS

RESET

MCLK

M/S

SCLK

FS

DIN

DOUT

DVSS

DVDD

FSD

IOVSS

LCDAC

HNSO-

HNSO+

HNSI-

HNSI+

AVDD

AVSS

LINEI+

LINEI-

LINEO-

LINEO+

NC

TLV320AIC20, TLV320AIC21

TLV320AIC24, TLV320AIC25

TLV320AIC20K, TLV320AIC24K

SLAS363D – MARCH 2002 – REVISED APRIL 2005

Terminal Functions

TERMINAL

NAME

NO.

I/O

DESCRIPTION

HDSI-

1

I

Head-set input. The Head-set input can be treated similar to the Line-input pins

HDSI+

2

HDSO-

3

O

150-

Ω output

HDSO+

4

AVDD2

5

I

Analog power supply

AVSS2

6

I

Analog ground

TESTP

7

I

Test pin. Should be connected to digital ground.

NC

8, 48

Not connected

PWRDN

9

I

Power down

SDA

10

I/O

I2C/S2C data

SCL

11

I

I2C/S2C clock

IOVDD

12

I

I/O power supply

IOVSS

13

I

I/O ground

FSD

14

O

Frame sync delayed

DVDD

15

I

Digital supply (1.8 V)

DVSS

16

I

Digital ground

DOUT

17

O

Data OUT

DIN

18

I

Data IN

FS

19

I/O

Frame sync

SCLK

20

I/O

Serial clock

3

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