TLV320AIC3254 Datasheet, PDF (5/168 Pages) Texas Instruments – Ultra Low Power Stereo Audio Codec With Embedded miniDSP

TLV320AIC3254
www.ti.com
TERMINAL
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Ultra Low Power Stereo Audio Codec With Embedded miniDSP
SLAS549A – SEPTEMBER 2008 – REVISED OCTOBER 2008
Table 2-1. TERMINAL FUNCTIONS (continued)
NAME
IN1_L
IN1_R
IN2_L
IN2_R
AVss
REF
MICBIAS
IN3_L
IN3_R
LOL
LOR
AVdd
HPL
LDOIN/ HPVDD
HPR
DVss
DVdd
LDO_ SELECT
RESET
GPIO
MFP5
TYPE
I
I
I
I
Ground
O
O
I
I
O
O
Power
O
Power
O
Ground
Power
I
I
I
DESCRIPTION
Multifunction Analog Input,
or Single-ended configuration: MIC 1 or Line 1 left
or Differential configuration: MIC or Line right, negative
Multifunction Analog Input,
or Single-ended configuration: MIC 1 or Line 1 right
or Differential configuration: MIC or Line right, positive
Multifunction Analog Input,
or Single-ended configuration: MIC 2 or Line 2 right
or Differential configuration: MIC or Line left, positive
Multifunction Analog Input,
or Single-ended configuration: MIC 2 or Line 2 right
or Differential configuration: MIC or Line left, negative
Analog ground supply
Reference voltage output for filtering
Microphone bias voltage output
Multifunction Analog Input,
or Single-ended configuration: MIC3 or Line 3 left,
or Differential configuration: MIC or Line left, positive,
or Differential configuration: MIC or Line right, negative
Multifunction Analog Input,
or Single-ended configuration: MIC3 or Line 3 right,
or Differential configuration: MIC or Line left, negative,
or Differential configuration: MIC or Line right, positive
Left line output
Right line output
Analog voltage supply 1.5V–1.95V
Input when A-LDO disabled,
Filtering output when A-LDO enabled
Left high power output driver
LDO Input supply and Headphone Power supply 1.9V– 3.6V
Right high power output driver
Digital Ground and Chip-substrate
If LDO_SELECT Pin = 0 (D-LDO disabled)
Digital voltage supply 1.26V – 1.95V
If LDO_SELECT Pin = 1 (D-LDO enabled)
Digital voltage supply filtering output
connect to DVss.
Reset (active low)
Primary
General Purpose digital IO
Secondary
CLKOUT Output
INT1 Output
INT2 Output
Audio serial data bus ADC word clock output
Audio serial data bus (secondary) bit clock output
Audio serial data bus (secondary) word clock output
Digital microphone clock output
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Package and Signal Descriptions
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