Datasheet > RT9107BGPTP

RT9107BGPTP

更新时间： 2024-11-10 01:17:27

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
42页	641K
描述
Dual-Channel Digital Audio System

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RT9107BGPTP 数据手册

RT9107B

Dual-Channel Digital Audio System with EQ and DRC

Control

General Description

Features

The RT9107B is a high efficiency, I²S-input, stereo or 2.1-

channel audio power amplifier delivering 2x18W into 8Ω

BTLspeaker loads. It can deliver over 90% power efficiency

and eliminate the need for heat sink.

 Wide Supply Voltage Range : 8V to 26V

 2x18W at 10% THD+N into 8Ω BTL at 18V

 2x8W at 10% THD+N into 8Ω BTL at 12V

 Support Stereo or 2.1-Channels

 Sampling Frequency from 8kHz to 96kHz

 Built-in anti-pop Function for BTL AD/BD

Modulations, SE Output Configuration

 >20 Programmable Biquads for Speaker

Equalization

The built-in anti-pop function can reduce the speaker's

pop noise under all kind of scenarios. Built-in protections

include over temperature, over current, over voltage, and

under voltage protections and report error status.

The RT9107B is an I²S slave-only device receiving all

clocks from external sources. It can support a wide input

sampling rate from 8kHz to 96kHz, and operate with a

PWM switching frequency of 352kHz or 384kHz, depending

on the input sampling rate.Afully programmable data path

routes these channels to the internal speaker drivers.

 Programmable Coefficients for DRC Filters,

Supporting Multi-compression Ratios

 Built-in DC Blocking Filters

 Protection Features : UVLO, OVP, OCP and OTP

 TQFP-48L (Exposed Pad) Thermal-Enhanced

Package

 RoHS Compliant and Halogen Free

The RT9107B features dual-bandDRC and flexible multi-

band biquads for anti-clipping, power limiting, and speaker

equalization. Programmable signal path routing enables

Rich-surround effect and Rich-bass enhancement

implementation.

Applications

 LCD-TV

 Monitors

 HomeAudio

 Amusement Equipment

 Electronic Music Equipment

Simplified Application Circuit

RT9107B

3.3V

AVDD/DVDD

8V to 26V

PVDD_AB/CD

OUT_A

BST_A

MCLK

LRCK

I S Digital

Audio Source

BTL

SCLK

SDIN

SDA

SCL

BST_B

OUT_B

OUT_C

I C Signal

A_SEL

BST_C

BST_D

A_SEL

BTL

PWDNN

RESETB

Control Inputs

OUT_D

PGND

is a registered trademark of Richtek Technology Corporation.

DS9107B-00 November 2016

www.richtek.com

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