Datasheet

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TLV320AIC20, TLV320AIC21

TLV320AIC24, TLV320AIC25

TLV320AIC20K, TLV320AIC24K

SLAS363D – MARCH 2002 – REVISED APRIL 2005

Terminal Functions (continued)

TERMINAL

NAME NO. I/O DESCRIPTION

M/S 21 I Master slave select applied to CODEC1 only. CODEC2 is always a slave.

MCLK 22 I Master clock

RESET 23 I Reset

VSS 24 I Device ground. Typically this should be connected to the Analog Ground.

DRVSS1 25 I Driver ground

SPKO+ 26

O 8- Ω output

SPKO- 28

DRVDD 27 I Driver supply

DRVSS2 29 I Driver ground

CIDI- 30

I Caller-ID input. The Caller-ID input can be treated similar to the Line-input pins

CIDI+ 31

AVDD1 33 I Analog supply

AVSS1 32 I Analog ground

MICI- 34 I Microphone input

MICI+ 35 I Microphone input

MICBIAS 36 I Microphone bias

LCDAC 37 O 6-Bit DAC output may be used to drive LCDAC

HNSO- 38

O 150- Ω output

HNSO+ 39

HNSI- 40

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

HNSI+ 41

AVDD 42 I Analog supply

AVSS 43 I Analog ground

LINEI+ 44

I Line input

LINEI- 45

LINEO- 46

O 600- Ω output

LINEO+ 47