元泰積體電路的部落格

OT2336
Audio Processor with 3W Class-D Amplifier
3瓦D類放大器的音頻處理器

 Features 功能特色

· Power Supply Voltage : 3 ~ 6V

    電源電壓範圍：3 ~ 6V

· 2 - Stereo Inputs

    2組立體聲輸入

· 32 Steps ( 0dB ~ Mute ) / Independent 2-Channels

    Volume Controller

    32階 ( 0dB ~ 靜音 ) / 獨立2聲道音量控制器

· PWM Frequency Can Be Selected by Pin21(FS).

    High for 300KHz; Low for 260KHz

    設定Pin21(FS)可以選擇 PWM頻率, 高為300kHz, 低260KHz

· 2 - Voltage Gain ( 20dB , 26dB ) Setting for Class-D Amplifier

    2組D類放大器的電壓增益 (20dB , 26dB )

· 3.2 Watts X 2 Class-D Amplifier @ VDD=5V, RL=4Ω, THD=10%

    3.2瓦 X 2 D類放大器@ VDD= 5V, RL​​=4Ω, THD=10％

· Fully Differential Input Class-D Amplifier Design for Reduces

    RF Rectification

    差動輸入的D類放大器設計降低無線訊號之干擾

· Provide Shutdown Pin for Low Power Consumption

    提供低功耗的休眠引腳

· High PSRR

    高電源雜訊抑制比

· Pop-Free Circuitry Eliminates Unpleasant Noises during

    Power ON/OFF

    開關機噪聲抑制

· Over Temperature, Over Current and Short Circuit Protection

    過溫度, 過電流和短路保護

· I2C Interface

    I2C介面輸入

 Applications 應用

· Portable Speaker System for iPod Ducking

    iPod的隨插即用揚聲器系統

· Portable Media Player with Speaker

   可攜式媒體播放器與揚聲器

· Flat Panel Display and LCD-TV

   平板顯示器和LCD-TV

· Portable Game Machines

   可攜式遊戲機

· Other Audio Applications

   其它音頻應用

SSOP-28(209mil)封裝

Pin Configuration 腳位圖

Application Circuit 應用線路