TDA7451

4x7W或2x22W汽车广播功放PLUS三重供电 4x7W OR 2x22W CAR RADIO POWER AMPLIFIER PLUS TRIPLE POWER SUPPLY

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

REGULATORS DIAGNOSTIC FEATURE: UNDERVOLTAGE, 8.5V DROP SENSE, SHORT CIRCUIT, LOAD DUMP, OVER-TEMPERATURE