Class-D audio amplifier 2 x 50W single chip
Philips Semiconductors
file: /user/nybuiten/n7260/specificatie/TDS8921N1F.fm
TDA8921TH
2 x 50 W class-D audio amplifier...
Description
Philips Semiconductors
file: /user/nybuiten/n7260/specificatie/TDS8921N1F.fm
TDA8921TH
2 x 50 W class-D audio amplifier
mei 09, 2001
Tentative specification
TDA8921TH class-D audio amplifier 2 x 50W single chip
1. General description
The TDA8921 is an high efficiency class-D audio power amplifier system. Typical output power is 2 x 50 W and it operates with high efficiency and very low dissipation. The devices comes in a HSOP24 power package with a small internal heatsink. No external heatsink is required, or depending on supply voltage and load a very small one. The system operates over a wide supply voltage range from +15 up to =+30 V and consumes a very low quiescent current.
2. Features
- High efficiency (>90%) - Operating voltage from +15 V to + 30V - Very low quiescent current - Low distortion - Fixed gain of 30 dB in Single Ended and 36 dB in BTL - High output power - Good ripple rejection - Internal switching frequency can be overruled by an external clock - No switch-on o...
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