TLV320AIC31_07 datasheet(2/77 Pages) BURR-BROWN

Part #	TLV320AIC31

Description	LOW POWER STEREO AUDIO CODEC FOR PORTABLE AUDIO/TELEPHONY

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Manufacturer	BURR-BROWN [Burr-Brown (TI)]

Direct Link	http://www.burr-brown.com

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SIMPLIFIED BLOCK DIAGRAM

LINE_OUT_L+

LINE_OUT_L−

LINE_OUT_R+

LINE_OUT_R−

HPR+

HPR−/HPRCOM/

SPKFC

HPL−/HPLCOM

HPL+

MIXING,

MUXING,

VOLUME

CONTROLS

MIXING,

MUXING

PGA

0/+59.5dB

0.5dB steps

PGA

0/+59.5dB

0.5dB steps

ADC

Audio Serial

Bus

DAC

I2C Serial

Control Bus

Audio Clock

Generation

Bias/

Reference

Voltage Supplies

Volume Ctl

& Effects

Volume Ctl

& Effects

IN1L+

IN1L−

IN2L

IN2R

IN1R+

IN1R−

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.

Figure 1. Simplified Codec Block Diagram

PACKAGE/ORDERING INFORMATION

OPERATING

PACKAGE

TRANSPORT

PRODUCT

PACKAGE

TEMPERATURE

ORDERING NUMBER

DESIGNATOR

MEDIA, QUANTITY

RANGE

TLV320AIC31

QFN-32

RHB

–40

°C to 85°C

TLV320AIC31IRHBT

Tape and Reel, 250

TLV320AIC31IRHBR

Tape and Reel, 3000

2

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