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TDA8922BTH Datasheet

  • TDA8922BTH

  • 2 X 50 W class-D power amplifier

  • 32頁

  • PHILIPS

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TDA8922B
2
脳
50 W class-D power ampli鏗乪r
Rev. 01 鈥?1 October 2004
Preliminary data sheet
1. General description
The TDA8922B is a high ef鏗乧iency class-D audio power ampli鏗乪r with very low
dissipation. The typical output power is 2
脳
50 W.
The device is available in the HSOP24 power package and in the DBS23P through-hole
power package. The ampli鏗乪r operates over a wide supply voltage range from
鹵12.5
V
to
鹵30
V and consumes a very low quiescent current.
2. Features
s
s
s
s
s
s
s
s
s
s
s
s
Zero dead time switching
Advanced current protection: output current limiting
Smooth start-up: no pop-noise due to DC offset
High ef鏗乧iency
Operating supply voltage from
鹵12.5
V to
鹵30
V
Low quiescent current
Usable as a stereo Single-Ended (SE) ampli鏗乪r or as a mono ampli鏗乪r 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
s
s
s
s
s
Television sets
Home-sound sets
Multimedia systems
All mains fed audio systems
Car audio (boosters).

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