AmplifierCircuits

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: TDA7451 2x22 W TDA7451 4x7W

FEATURES Requires very few external components High output power Low offset voltage at output Fixed gain Good ripple rejection Mute/stand-by switch Load dump protection AC and DC short-circuit-safe to ground and VP Thermally protected Reverse polarity safe Capability to handle high energy on outputs (VP = 0) Protected against electrostatic discharge No switch-on/switch-off plop Flexible leads Low thermal resistance. GENERAL DESCRIPTION The TDA1557Q is a monolithic integrated class-B output  amplifier in a 13-lead single-in-line (SIL) plastic power  package. The device contains 2 × 22 W amplifiers in BTL  configuration and has been primarily developed for car  radio applications. Circuit Diagram Circuit diagram for TDA1557Q 2 x 22w car radio power amplifier

FEATURES Few peripheral components High output power Low output offset voltage Fixed gain Loudspeaker protection (with diagnostic facility) Differential inputs Dynamic Distortion Detector (DDD) High common mode input signal Very high CMRR Good ripple rejection Mute/stand-by switch Load dump protection Short-circuit safe Thermally protected Reverse polarity safe High energy handling capability at the outputs (VP = 0 V) Electrostatic discharge protection No switch-on/switch-off plop Flexible leads Low thermal resistance GENERAL DESCRIPTION TDA1556Q is a monolithic integrated class-B output amplifier containing two 22 Watt amplifiers in a BTL configuration. The device is contained in a 17-lead single-in-line (SIL) plastic power package. It has two differential inputs and is primarily intended for car booster applications. Circuit Diagram: Circuit diagram for TDA1556Q 2 x 22 W stereo BTL differential amplifier with speaker prot...

GENERAL DESCRIPTION The TDA1555Q is an integrated class-B output amplifier in a 17-lead single-in-line (SIL) plastic power package. The circuit contains 4 x 11 W single-ended or 2 x 22 W bridge amplifiers. The device is primarily developed for car radio applications. Features Requires very few external components Flexibility in use − Quad single-ended or stereo BTL High output power Low offset voltage at outputs (important for BTL) Fixed gain Good ripple rejection Mute/stand-by switch Load dump protection AC and DC short-circuit-safe to ground and VP Thermally protected Reverse polarity safe Capability to handle high energy on outputs (VP = 0 V) Protected against electrostatic discharge No switch-on/switch-off plop Low thermal resistance Identical inputs (inverting and non-inverting) Flexible leads Distortion detector Circuit Diagram: TDA1555Q 4 x 11 W single-ended  TDA1555Q 2 x 22 W power amplifier with distortion detector

GENERAL DESCRIPTION The TDA1552Q is an integrated class-B output amplifier in a 13-lead single-in-line (SIL) plastic power package.  The circuit contains 2 x 22 W amplifiers in Bridge Tied Load (BTL) configuration. The device is primarily developed for  car radio applications. Features Requires very few external components High output power Low offset voltage at outputs Fixed gain Good ripple rejection Mute/stand-by switch Load dump protection AC and DC short-circuit-safe to ground and VP Thermally protected Reverse polarity safe Capability to handle high energy on outputs (VP = 0 V) Protected against electrostatic discharge No switch-on/switch-off plop Low thermal resistance Flexible leads. Circuit diagram: Circuit diagram for TDA1552Q 2 x 22 W BTL stereo car radio power amplifier

FEATURES Requires very few external components Flexible in use - quad, single ended or stereo BTL  2C-bus control Dynamic distortion detector Thermal protection Output status information Power supply dip detection High output power MUTE/sleep mode by writing to I2C-bus Stand-by mode Fixed gain Good ripple rejection Load dump protection AC/DC short circuit safe to ground and VP Reverse polarity safe Low offset voltage at output Capable of handling high energy at outputs (VP = 0 V) Electrostatic discharge protection No switch-ON/switch-OFF plop Flexible leads Low thermal resistance Identical inputs (inverting and non-inverting). DESCRIPTION The TDA1551Q is an integrated class-B output amplifier  encased in a 17-lead single-in-line plastic power package.  The device contains 4 × 11 W single-ended (SE) or 2 × 22  W BTL amplifiers and is intended for use in car radio  applications. Circuit Diagram 2 x 22 W BTL car radio pow...

General Description The TDA1553CQ is a monolithic integrated class-B output  amplifier in a 13-lead plastic DIL-bent-SIL power package.  It contains 2 × 22 W amplifiers in BTL configuration. Circuit Diagram 2 × 22 W stereo BTL car radio power amplifier with loudspeaker protection