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发布者:来自网络 发布时间:2017-8-24 阅读:223次    关键字: 音频功放
AX4001-3W Audio Power Amplifier Shutdown Mode


AX4001-3W Audio Power Amplifier with Shutdown Mode DataSheet

GENERAL DESCRIPTION
    The AX4001 is a mono bridged audio power amplifier capable of delivering 3W of continuous average power into a 3Ω load with less than 10% THD when powered by a 5V power supply. It does not require output coupling capacitors or bootstrap capacitors, and is ideal for mobile phone and other low voltage applications where minimal power consumption is a primary requirement.
    The AX4001 features a low-power consumption shutdown mode, and an internal thermal shutdown protection mechanism. Advanced pop & click circuitry is built in to eliminate noises that would otherwise occur during turn-on and turn-off transitions. The AX4001 is unity-gain stable and can be configured by external gain-setting resistors.
    AXElite products are RoHS and Halogen free compliant.

Key Specifications
BTL mode PO at THD+N=1%, f=1kHz, VDD =5V
2.45 W (typ) into 3Ω
2.1 W (typ) into 4Ω
1.2 W (typ) into 8Ω
BTL mode PO at THD+N=10%, f=1kHz, VDD =5V
3W (typ) into 3Ω
Shutdown current 0.1µA (typ)

Features
No output coupling capacitors, bootstrap capacitors, or snubber circuits required
Unity-gain stable
TDFN-8
External gain configuration capability

Applications
Portable Computers
Desktop computers

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