TDA8922B

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TDA8922B 数据手册

TDA8922B

2 × 50 W class-D power ampliﬁer

Rev. 01 — 1 October 2004

Preliminary data sheet

1. General description

The TDA8922B is a high efﬁciency class-D audio power ampliﬁer with very low

dissipation. The typical output power is 2 × 50 W.

The device is available in the HSOP24 power package and in the DBS23P through-hole

power package. The ampliﬁer operates over a wide supply voltage range from ±12.5 V

to ±30 V and consumes a very low quiescent current.

2. Features

■ Zero dead time switching

■ Advanced current protection: output current limiting

■ Smooth start-up: no pop-noise due to DC offset

■ High efﬁciency

■ Operating supply voltage from ±12.5 V to ±30 V

■ Low quiescent current

■ Usable as a stereo Single-Ended (SE) ampliﬁer or as a mono ampliﬁer in Bridge-Tied

Load (BTL)

■ Fixed gain of 30 dB in Single-Ended (SE) and 36 dB in Bridge-Tied Load (BTL)

■ High supply voltage ripple rejection

■ Internal switching frequency can be overruled by an external clock

■ Full short-circuit proof across load and to supply lines

■ Thermally protected.

3. Applications

■ Television sets

■ Home-sound sets

■ Multimedia systems

■ All mains fed audio systems

■ Car audio (boosters).

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型号	品牌	获取价格	描述	数据表
TDA8922BJ	NXP	获取价格	2 X 50 W class-D power amplifier
TDA8922BJ/N2,112	NXP	获取价格	TDA8922B - 2 x 50 W class-D power amplifier ZIP 23-Pin
TDA8922BTH	NXP	获取价格	2 X 50 W class-D power amplifier
TDA8922BTH/N2,118	NXP	获取价格	TDA8922B - 2 x 50 W class-D power amplifier SOIC 24-Pin
TDA8922BTH/N2,518	NXP	获取价格	TDA8922B - 2 x 50 W class-D power amplifier SOIC 24-Pin
TDA8922C	NXP	获取价格	2 X 75 W class-D power amplifier
TDA8922CJ	NXP	获取价格	2 X 75 W class-D power amplifier
TDA8922CJ/N1,112	NXP	获取价格	TDA8922C - 2 x 75 W class-D power amplifier ZIP 23-Pin
TDA8922CTH	NXP	获取价格	2 X 75 W class-D power amplifier
TDA8922CTH/N1,112	NXP	获取价格	TDA8922C - 2 x 75 W class-D power amplifier SOIC 24-Pin