Datasheet > HWD2111

HWD2111

更新时间： 2024-02-17 12:20:45

品牌	Logo	应用领域
其他 - ETC		放大器
页数	文件大小	规格书
19页	1022K
描述
Dual 105mW Headphone Amplifier with Digital Volume Control and Shutdown Mode

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HWD2111 数据手册

HWD2111

Dual 105mW Headphone Amplifier with Digital Volume

Control and Shutdown Mode

General Description

Key Specifications

n THD+N at 1kHz, 105mW continuous average output

The HWD2111 is a dual audio power amplifier capable of

delivering 105mW per channel of continuous average power

into a 16Ω load with 0.1% (THD+N) from a 5V power supply.

power into 16Ω

n THD+N at 1kHz, 70mW continuous average power into

32Ω

0.1% (typ)

0.3µA (typ)

audio power amplifiers were designed specifically to

provide high quality output power with a minimal amount of

external components. Since the HWD2111 does not require

bootstrap capacitors or snubber networks, it is optimally

suited for low-power portable systems.

n Shutdown Current

Features

n Digital volume control range from +12dB to −33dB

n LD and MSOP surface mount packaging

n "Click and Pop" suppression circuitry

n No bootstrap capacitors required

The HWD2111 features a digital volume control that sets the

amplifier’s gain from +12dB to −33dB in 16 discrete steps

using a two−wire interface.

The unity-gain stable HWD2111 also features an externally

controlled, active-high, micropower consumption shutdown

mode. It also has an internal thermal shutdown protection

mechanism.

n Low shutdown current

Applications

n Cellular Phones

n MP3, CD, DVD players

n PDA’s

n Portable electronics

Connection Diagrams

LD Package

MSOP Package

Top View

Order Number HWD2111MM

Top View

Order Number HWD2111LD

12 3 4 5 6 7...19

中文翻译

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