TLV320AIC23PW datasheet(3/42 Pages) TI

Part #	TLV320AIC23PW

Description	STereo Audio CODEC, 8- to 96kHz, With Integrated Headphone Amplifier

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Manufacturer	TI [Texas Instruments]

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3 / 42 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

1–4

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

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

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

2–7

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

2.4.4

Two-Wire Control Interface

2–7

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

3

How to Use the AIC23

3–1

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

3.1

Control Interfaces

3–1

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

3.1.1

SPI

3–1

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

3.1.2

I2C

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

3–5

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

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

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

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