Datasheet > M4670_15

M4670_15

更新时间： 2024-11-12 02:59:03

品牌	Logo	应用领域
友顺 - UTC		放大器功效开关
页数	文件大小	规格书
9页	252K
描述
FITERLESS HIGH EFFICIENCY 3W SWITCHING AUDIO AMPLIFIER

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M4670_15 数据手册

UNISONIC TECHNOLOGIES CO., LTD

M4670

Preliminary

CMOS IC

FITERLESS HIGH EFFICIENCY

3W SWITCHING AUDIO

AMPLIFIER

DESCRIPTION

The M4670 is a fully integrated single-supply, high-efficiency

Class D switching audio amplifier, and it can provide 3W of output

power. Containing adjustable output gain chip with micro-power

shutdown mode, the M4670 has innovative modulation schemes

that eliminate the output filter wave devices and thus reduces the

requirement of external components helping to streamline the circuit

design and reduce board area.

DFN-8(3x3)

By using delta-sigma modulation technique which handles

incoming analog signal, the M4670 can reduce the output noise and

total harmonic distortion.

Operating on a single 5V supply, the M4670 can be a

continuous average output of 2.3W of power to driver the 4Ω

speaker, and the total harmonic distortion and noise (THD+N) are

less than 1%. High power conversion efficiency of the M4670 can

drive a larger load speaker that is respectively comparable to the

typical Class AB amplifier. Its can be used with a 3.6V, 600mW

power supply to driver an 8Ω speaker, while the efficiency is as high

as 88%.

The M4670 has a high output power characteristics that makes

it ideal for ultra-high-power walkie-talkies, mobile phones,

hands-free intercom systems and applications.

FEATURES

* Externally Configurable Gain

* No Output Filter Required for Inductive Loads

* Very Fast Turn on Time: 1.05ms (Typical)

* ‘Click and Pop’ Suppression Circuitry

* Micro-Power Shutdown Mode

* Short Circuit Protection

ORDERING INFORMATION

Ordering Number

Lead Free

Package

Packing

Halogen Free

M4670L-K08-3030-R

M4670G-K08-3030-R

DFN-8(3×3)

Tape Reel

www.unisonic.com.tw

1 of 9

QW-R502-442.b

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