TDA8922CJ

更新时间： 2024-11-18 06:01:03

品牌	Logo	应用领域
恩智浦 - NXP		放大器功率放大器
页数	文件大小	规格书
40页	230K
描述
2 X 75 W class-D power amplifier

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TDA8922CJ 数据手册

TDA8922C

2 × 75 W class-D power ampliﬁer

Rev. 01 — 7 September 2009

Product data sheet

1. General description

The TDA8922C is a high-efﬁciency Class D audio power ampliﬁer. Typical output power is

2 × 75 W with a speaker load impedance of 6 Ω.

The TDA8922C is available in both HSOP24 and DBS23P power packages. The ampliﬁer

operates over a wide supply voltage range from ±12.5 V to ±32.5 V and features low

quiescent current consumption.

2. Features

I Pin compatible with TDA8950/20C for both HSOP24 and DBS23P packages

I Symmetrical operating supply voltage range from ±12.5 V to ±32.5 V

I Stereo full differential inputs, can be used as stereo Single-Ended (SE) or mono

Bridge-Tied Load (BTL) ampliﬁer

I High output power in typical applications:

N SE 2 × 75 W, R_L= 6 Ω (V_DD= 30 V; V_SS= −30 V)

N SE 2 × 60 W, R_L= 8 Ω (V_DD= 30 V; V_SS= −30 V)

N BTL 1 × 155 W, R_L= 8 Ω (V_DD= 25 V; V_SS= −25 V)

I Low noise

I Smooth pop noise-free start-up and switch off

I Zero dead time switching

I Fixed frequency

I Internal or external clock

I High efﬁciency

I Low quiescent current

I Advanced protection strategy: voltage protection and output current limiting

I Thermal FoldBack (TFB)

I Fixed gain of 30 dB in SE and 36 dB in BTL applications

I Fully short-circuit proof across load

I BD modulation in BTL conﬁguration

3. Applications

I DVD

I Mini and micro receiver

I Home Theater In A Box (HTIAB) system

I High-power speaker system

12 3 4 5 6 7...40

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