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TDA8922B/TDA8922 pdf datasheet
消耗积分:10 |
格式:rar |
大小:555 |
2008-07-16
郑成枝
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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
n Zero dead time switching
n Advanced current protection: output current limiting
n Smooth start-up: no pop-noise due to DC offset
n High efficiency
n Operating supply voltage from ±12.5 V to ±30 V
n Low quiescent current
n Usable as a stereo Single-Ended (SE) amplifier or as a mono amplifier in Bridge-Tied
Load (BTL)
n Fixed gain of 30 dB in Single-Ended (SE) and 36 dB in Bridge-Tied Load (BTL)
n High supply voltage ripple rejection
n Internal switching frequency can be overruled by an external clock
n Full short-circuit proof across load and to supply lines
n Thermally protected.
3. Applications
n Television sets
n Home-sound sets
n Multimedia systems
n All mains fed audio systems
n Car audio (boosters).
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
n Zero dead time switching
n Advanced current protection: output current limiting
n Smooth start-up: no pop-noise due to DC offset
n High efficiency
n Operating supply voltage from ±12.5 V to ±30 V
n Low quiescent current
n Usable as a stereo Single-Ended (SE) amplifier or as a mono amplifier in Bridge-Tied
Load (BTL)
n Fixed gain of 30 dB in Single-Ended (SE) and 36 dB in Bridge-Tied Load (BTL)
n High supply voltage ripple rejection
n Internal switching frequency can be overruled by an external clock
n Full short-circuit proof across load and to supply lines
n Thermally protected.
3. Applications
n Television sets
n Home-sound sets
n Multimedia systems
n All mains fed audio systems
n Car audio (boosters).
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