Datasheet > BL4863TS

BL4863TS

更新时间： 2024-09-25 01:11:59

品牌	Logo	应用领域
上海贝岭 - BELLING		/
页数	文件大小	规格书
11页	433K
描述
Stereo headphone amplifier mode

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BL4863TS 数据手册

BL4863

Dual 2.2W Audio Amplifier Plus Stereo Headphone Function

Features



Stereo headphone amplifier mode

Unity-gain stable

Power output at 5.0V, 1% THD+N, 3Ω

Power output at 5.0V, 1% THD+N, 4Ω

Power output at 5.0V, 1% THD+N, 8Ω

2.50 W (typ.)

2.20 W (typ.)

1.25 W (typ.)

Single-ended mode TND+N at 75mW into 32 Ω load 0.5% (max)

Ultra-low shutdown current

0.1 uA (typ.)

2.0V – 5.5V power operation range

Improved circuitry eliminates pop-click noise during turn-on and turn-off transitions

Thermal shutdown protection circuitry

External gain configuration capability

Exposed-DAP TSSOP20 package , DIP16 package SOP16 package

General Description

The BL4863 is a dual BTL connected Class-AB audio power amplifier designed for multimedia

monitors and other portable applications. It is capable of delivering 2.5 watts of continuous

average power to a 3Ω BTL load or 2.2 watts to a 4Ω BTL load with less than 1% distortion

(THD+N) from a 5V_DCpower supply. In addition, the HP-IN input pin allows the BL4863 to

operate in single-ended mode and drive stereo headphones.

The BL4863 was designed specifically to provide high quality output power with a minimal

amount of external components. With dual bridge speaker amplifiers and stereo headphone

amplifiers on one chip, it simplifies audio system design.

The BL4863 features an externally controlled shutdown mode, a stereo headphone driver mode,

and thermal shutdown protection. With special pop-click eliminating circuit, the BL4863

provides perfect pop-click characteristic during turn-on and turn-off transitions.

The BL4863 is unity-gain stable and can be configured by external gain-setting resistors.

Applications



Multimedia monitors

Portable and desktop computers

Portable televisions

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