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发布者:来自网络 发布时间:2016-12-19 阅读:820次    关键字: 音频功放
AD52067-2x16W Stereo Class-D Audio Amplifier


AD52067-2x16W Stereo/1x20W Mono Class-D Audio Amplifier With Built-in Step-up ConverterDataSheet

Description
The AD52067 is a high efficiency stereo class-D
audio amplifier with built-in boost DC-DC converter.
The loudspeaker driver can deliver stereo 16W/CH
output power into 4
Ω loudspeaker under 10%
THD+N at two-cell Li-ion battery (7.4V).
AD52067 provides parallel BTL (Mono)
application also, and it can deliver 20W into 4
Ω
loudspeaker at 7.4V supply voltage.
Output DC detection prevents speaker damage
from long-time current stress. AD52067 provides
superior EMC performance for filter-free application.
The output short circuit and over temperature
protection include auto-recovery feature.

Features
z Input voltage 2.9V~12V
z Adjustable boost converter output up to 14V
z Loudspeaker power @12V boost from 7.4V
Stereo: 8W/CH into 8
Ω @THD+N=1%
Stereo: 10W/CH into 8
Ω @ THD+N=10%
Stereo: 16W/CH into 4
Ω @ <10% THD+N
Mono (PBTL): 20W/CH into 4
Ω @THD+N=10%
z Loudspeaker power @8V boost from 3.7V
Stereo: 3.7W/CH into 8
Ω @THD+N=1%
Stereo: 4.6W/CH into 8
Ω @THD+N=10%
Stereo: 7.1W/CH into 4
Ω @THD+N=1%
Stereo: 8.8W/CH into 4
Ω @THD+N=10%
Mono (PBTL): 8.8W/CH into 4
Ω @THD+N=10%
z Differential inputs signal
z Fixed gain setting
z Internal oscillator
z Short-Circuit protection with auto recovery option
z Under-Voltage detection
z Over-Voltage protection
z Pop noise and click noise reduction
z Output DC detection for speaker protection
z Filter-Free operation
z Over temperature protection with auto recovery
z Superior EMC performance

Applications
z Blue-tooth Box
z Portable Media
z Audio Docking System
z Tablet Personal PC
z Consumer Audio Equipment

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