Datasheet > D2-45057

D2-45057

更新时间： 2024-11-04 06:52:03

品牌	Logo	应用领域
英特矽尔 - INTERSIL		放大器控制器
页数	文件大小	规格书
31页	412K
描述
Intelligent Digital Amplifier PWM Controller and Audio Processor

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D2-45057 数据手册

Intelligent Digital Amplifier PWM Controller and

Audio Processor

D2-45057, D2-45157

Features

• All Digital Class-D Amplifier and Controller with

Integrated Digital Signal Processing (DSP)

The D2-45057 and D2-45157 devices are complete

System-on-Chip (SoC) Class-D digital audio amplifiers.

Combining high performance integrated Power Stages

along with an optimized Audio Processor feature set and

PWM Controller, these devices offer a complete,

powerful, and very cost effective audio solution for high

volume and cost-critical products.

• Four Integrated Power Stages Supporting

- 2 Channels, Bridged

- 4 Channels, Half-Bridge

- 2 Channels, Half-Bridge, plus 1 Channel Bridged

• Output Power (Bridged)

- 25W (8Ω, <1% THD); 30W (8Ω, <10% THD)

This 4th generation Digital Audio Engine (DAE-4P)™

device combines extensive integrated Digital Signal

Processor (DSP) audio processing with amplifier control,

for a complete audio solution. Its ease of integration into

the existing system processor provides complete support

for all system product and amplifier functions.

• Fully Programmable Digital Signal Processing (DSP)

- Up to 5 Programmable Audio Signal Path Channels

- Programmable Equalizers, Filters, Mixers, Limiters

• Includes D2Audio™ SoundSuite™ and

The four configurable Power Stages operate as four

separate Half-Bridge outputs, as two Full-Bridge outputs,

or in combinations of Half-Bridge plus Full-Bridge,

providing flexible loudspeaker drive solutions. Separate

PWM outputs provide additional combinations to drive

headphone, or line level stereo and subwoofer outputs.

SRS WOW/HD™ Audio Enhancement Algorithms

• I S and S/PDIF™ Digital Audio Inputs

• Asynchronous Sample Rate Converters;

Sample Rates from 32kHz up to 192kHz

• Wide 9V to 26V Power Stage HV Supply Range, plus

Internally-Generated Gate Drive Supply

• Temperature and Undervoltage Monitoring

and Individual Channel Protection

Related Literature

• DAE-4/DAE-4P Register API Specification

• DAE-4P Evaluation Kit Guides

Applications

• PC/Multimedia Speakers

• Digital TV Audio Systems

• Portable Device Docking Stations

• Powered Speaker Systems

Typical System Implementation

Amplifier Output 1

Output

Digital

I²S

Audio

Amplifier Output 2

SoC

System

Controller(s)

Filter

24 Bit

Digital

Signal

2 Channel

Sample

Rate

Amplifier

Output

MOSFETS

Interface

5 Channel

PWM

Engine

Amplifier Output 3

Amplifier Output 4

Output

Filter

I²C

Processor

Converter

Control

PWM

Output

Drive

PWM

Output

Subwoofer

Optical/

Coax IN

S/PDIF

Buffer

Filter

Line Out

D2Audio^®

Audio Canvas™

Processing

3^rdParty

S/PDIF

Digital I/O

Interface

D2Audio^®

SoundSuite™

ENHANCEMENTS

(SRS WOW/HD^®)

PWM

Output

Filter

Stereo

Line Out

Optical/

Coax OUT

S/PDIF

Buffer

Output

Filter

(Optional)

Headphone

Out

D2-45x57-QR

DAE-4P™ Intelligent Digital Power Amplifier and Audio Processor

(Optional)

SYSTEM APPLICATION IMPLEMENTING 2X FULL-BRIDGE LOUDSPEAKER OUTPUTS PLUS 3 LINE-LEVEL OUTPUTS

July 29, 2010

FN6785.0

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

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