Datasheet

DEVICE INFORMATION
PIN ASSIGNMENTS
TLV320AIC31
1 8
32 9
25 16
24 17
TLV320AIC31
www.ti.com ............................................................................................................................................. SLAS497C – AUGUST 2006 – REVISED DECEMBER 2008
TERMINAL FUNCTIONS
TERMINAL
NAME PIN NO. I/O DESCRIPTION
MCLK 1 I Master clock input
BCLK 2 I/O Audio serial data bus bit clock input/output
WCLK 3 I/O Audio serial data bus word clock input/output
DIN 4 I Audio serial data bus data input
DOUT 5 O Audio serial data bus data output
DVSS 6 I/O Digital core / I/O Ground Supply, 0 V
IOVDD 7 I/O Digital I/O voltage supply, 1.1 V to 3.6 V
SCL 8 I/O
I
2
C serial clock input
SDA 9 I/O
I
2
C serial data input/output
IN1LP 10 I Left input 1 (Single-ended) or Left Input + (Differential)
IN1LM 11 I Left input – (Diff only)
IN1RP 12 I Right input 1 (Single-ended) or Right Input + (Differential)
IN1RM 13 I Right input – (Differential only)
IN2L 14 I Left input 2 (Single-ended)
MICBIAS 15 O Microphone bias voltage output
IN2R 16 I Right input 2 (Single-ended)
AVSS1 17 I Analog ADC ground supply, 0 V
DRVDD 18 O Analog ADC and output driver voltage supply, 2.7 V to 3.6 V
HPLOUT 19 O High power output driver (Left +)
HPLCOM 20 O High power output driver (Left – or multi-functional)
DRVSS 21 O Analog output driver ground supply, 0 V
HPRCOM 22 O High power output driver (Right – or multi-functional)
HPROUT 23 O High power output driver (Right +)
DRVDD 24 O Analog output driver voltage supply, 2.7 V to 3.6 V
AVDD 25 I Analog DAC voltage supply, 2.7 V to 3.6 V
AVSS2 26 I Analog DAC ground supply, 0 V
LEFT_LOP 27 O Left line output (+)
LEFT_LOM 28 O Left line output ( – )
RIGHT_LOP 29 O Right line output (+)
RIGHT_LOM 30 O Right line output ( – )
RESET 31 Reset
DVDD 32 I Digital core voltage supply, 1.65 V to 1.95 V
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