TLV320ALC31 Datasheet, PDF (2/74 Pages) Burr-Brown (TI) – LOW POWER STEREO AUDIO CODEC FOR PORTABLE AUDIO/TELEPHONY

TLV320AIC31
SLAS497A – AUGUST 2006 – REVISED SEPTERMBER 2006
The TLV320AIC31 operates from an analog supply
of 2.7 V – 3.6 V, a digital core supply of 1.525 V –
1.95 V, and a digital I/O supply of 1.1 V – 3.6 V. The
device is available in a 5 × 5 mm, 32-lead QFN
package.
SIMPLIFIED BLOCK DIAGRAM
www.ti.com
Voltage Supplies
Audio Serial
Bus
IN1L+
IN1L−
IN1R+
IN1R−
IN2L
IN2R
MIXING,
MUXING
PGA
0/+59.5dB
0.5dB steps
PGA
0/+59.5dB
0.5dB steps
ADC
ADC
Volume Ctl
& Effects
Volume Ctl
& Effects
DAC
DAC
MIXING,
MUXING,
VOLUME
CONTROLS
Bias/
Reference
Audio Clock
Generation
I2C Serial
Control Bus
HPL+
HPL−/HPLCOM
HPR−/HPRCOM/
SPKFC
HPR+
LINE_OUT_R+
LINE_OUT_R−
LINE_OUT_L+
LINE_OUT_L−
Figure 1. Simplified Codec Block Diagram
PRODUCT
TLV320AIC31
PACKAGE
QFN-32
PACKAGE/ORDERING INFORMATION
PACKAGE
DESIGNATOR
RHB
OPERATING
TEMPERATURE
RANGE
–40°C to 85°C
ORDERING NUMBER
TLV320AIC31IRHBT
TLV320AIC31IRHBR
TRANSPORT
MEDIA, QUANTITY
Tape and Reel, 250
Tape and Reel, 3000
2
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