Sunday, September 14, 2014
4x7W OR 2x22W CAR RADIO POWER AMPLIFIER
Features:
- HIGH OUTPUT POWER CAPABILITY:
- 4 x 9.5W OR 2 x 32W/4Ω MAX
- 4 x 8.5W OR 2 x 28W/4Ω EIAJ
- 4 x 7W OR 2 x 22W/4Ω @14.4V,1KHz; 10%
- MINIMIZED EXTERNAL COUNT
- - NO NEED OF DECOUPLING CAPACITORS
- - NO NEED OF BOOTSTRAP CAPACITOR
- - NO NEED OF EXTERNAL COMPENSATION
- - INTERNALLY FIXED GAIN (20dB)
- POP-FREE AUDIO SECTION
- ST-BY FUNCTION (C-MOS)
- MUTE FUNCTION (C-MOS)
- CLIP DETECTOR, THERMAL WARNING,
- SHORT CIRCUIT DETECTION
- BUILT-IN VOLTAGE REGULATORS:
- - 5V @ 150mA WITH RESET
- - 5V @ 500mA WITH ST-BY
- - 8.5V @ 200mA WITH ST-BY
Circuit Diagram:
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| TDA7451 2x22 W |
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| TDA7451 4x7W |
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