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发布者:来自网络 发布时间:2016/12/7 阅读:2576次    关键字: 音频功放
AD82583-2x20W Stereo Class-D Audio Amplifier


AD82583-2x20W Stereo/1x40W Mono Class-D Audio Amplifier With Power Limit Control DataSheet

Description
AD82583 is a high-performance digital audio
amplifier IC that delivers up to 20W×2ch, which has
a digital audio interface, and is capable of operating
at a supply voltage ranging from 5V to 26V.
AD82583 allows a speaker to be directly
connected to the output. In addition, this amplifier is
insusceptible to supply voltage fluctuation because
of a feedback-type digital amplifier, and have the
feature with high power supply noise tolerance. As a
result, power supply can be simplified and allowing
a simple amplifier system with less external
components to be configured.
AD82583 has the following functions: gain setting
function, power limit function, pop noise reduction
function, over current protection function for speaker
output pins, internal over temperature protection
function, under voltage lockout, and DC detection
function.

Features
z Single supply voltage
5 ~ 26V for loudspeaker driver
z Input digital audio interface
z Sampling frequency: 32kHz, 44.1kHz and 48kHz
z Left-justified, MSB first, 1-bit delay with digital
audio data 24-bits
z Loudspeaker power @ 24V supply
15W / CH with 8
Ω < 0.5% THD+N
z Efficiency 87% (PVDD=24V, RL=8Ω, Po=10W)
z Distortion ration (THD+N) < 0.1% @ Po=7.5W
z PSNR ratio 99dB (PVDD=24V)
z Residual noise 130uVrms (A-weighted filter)
z Channel separation > 90 dB
z Power limit function
z Gain setting function
z Stereo/Mono switching function
z Output mute function (Quick mute / Quick start)
z Sleep function
z Pop noise reduction function
z Over current protection function (OCP)
z Over voltage protection function (OVP)
z Over temperature protection function (OTP)
z Under voltage lockout (UVLO)
z DC detection function (DCDET)
z Clock detection function (CKDET)
z Package available in both of QFN-32L and
E-TSSOP-24L

Applications
z TV audio
z Boom-Box
z Powered speaker
z Consumer Audio Equipment

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