TLV320AIC23BIPW datasheet(3/50 Pages) TI

Part #	TLV320AIC23BIPW

Description	STEREO AUDIO CODEC 8 TO 96 KHZ WITH INTEGRATED HEADPHONE AMPLIFIER

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Manufacturer	TI [Texas Instruments]

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3 / 50 page

iii

Contents

Section

Title

Page

1

Introduction

1−1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.1

Features

1−1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.2

Functional Block Diagram

1−3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.3

Terminal Assignments

1−4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.4

Ordering Information

1−5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.5

Terminal Functions

1−5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2

Specifications

2−1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.1

Absolute Maximum Ratings Over Operating Free-Air Temperature

Range

2−1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.2

Recommended Operating Conditions

2−1

. . . . . . . . . . . . . . . . . . . . . . . . . .

2.3

Electrical Characteristics Over Recommended Operating

Conditions

2−2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.3.1

ADC

2−2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.3.2

DAC

2−3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.3.3

Analog Line Input to Line Output (Bypass)

2−3

. . . . . . . . . . . . .

2.3.4

Stereo Headphone Output

2−4

. . . . . . . . . . . . . . . . . . . . . . . . . . .

2.3.5

Analog Reference Levels

2−4

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.3.6

Digital I/O

2−4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.3.7

Supply Current

2−4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.4

Digital-Interface Timing

2−5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.4.1

Audio Interface (Master Mode)

2−5

. . . . . . . . . . . . . . . . . . . . . . .

2.4.2

Audio Interface (Slave-Mode)

2−6

. . . . . . . . . . . . . . . . . . . . . . . .

2.4.3

Three-Wire Control Interface (SDIN)

2−7

. . . . . . . . . . . . . . . . . .

2.4.4

Two-Wire Control Interface

2−7

. . . . . . . . . . . . . . . . . . . . . . . . . . .

3

How to Use the TLV320AIC23B

3−1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.1

Control Interfaces

3−1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.1.1

SPI

3−1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.1.2

2-Wire

3−1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.1.3

Register Map

3−2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.2

Analog Interface

3−5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.2.1

Line Inputs

3−5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.2.2

Microphone Input

3−6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.2.3

Line Outputs

3−6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.2.4

Headphone Output

3−6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.2.5

Analog Bypass Mode

3−7

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.2.6

Sidetone Insertion

3−7

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.3

Digital Audio Interface

3−7

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.3.1

Digital Audio-Interface Modes

3−7

. . . . . . . . . . . . . . . . . . . . . . . .

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