4 x 11 W single ended car radio power amplifier

FEATURES

Requires very few external components

Flexibility in use Quad single-ended or stereo BTL

High output power

Low offset voltage at output (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)

Protected against electrostatic discharge

No switch-on/switch-off plop

Flexible leads

Low thermal resistance

Identical inputs (inverting and non-inverting).

GENERAL DESCRIPTION

The TDA1558Q is a monolithic integrated class-B output amplifier in a 17-lead single-in-line (SIL) plastic power package. The device contains 4 x 11 W single-ended or 2 x 22 W BTL amplifiers and has been primarily developed for car radio applications.

Circuit Diagram

Circuit diagram for  4 x 11 W single-ended car radio power amplifier

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Simple AC Static Single Pole Double Throw Switch Wiring diagram Schematic

This is a Simple AC Static Single Pole Double Throw Switch Circuit Diagram. SPDT is a a simple type of changeover electrical switch. An SPDT solid state relay is shown. When voltage is applied Ql will turn on, activating load 1, because the full line voltage appears across Q2, supplying gate current through Rl. When SI is closed. Q2 turns on removing the gate drive from Ql and activating load 2. 

AC Static Single Pole Double Throw Switch Circuit Diagram

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4 x 13 W single ended power amplifiers

FEATURES

Requires very few external components

High output power

Fixed gain

Diagnostic facility (distortion, short-circuit and temperature detection)

Good ripple rejection

Mode select switch (operating, mute and standby)

AC and DC short-circuit safe to ground and to VP

Low power dissipation in any short-circuit condition

Thermally protected

Reverse polarity safe

Electrostatic discharge protection

No switch-on/switch-off plop

Flexible leads

Low thermal resistance

Identical inputs.

GENERAL DESCRIPTION

The TDA8511J is an integrated class-B output amplifier in a 17-lead DIL-bent-SIL power package. It contains 4 × 13 W single-ended amplifiers.

Circuit Diagram:

4 x 13 W single-ended power amplifiers

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Single Supply AC Buffer Amplifier Wiring diagram Schematic

This is a Useful AC Buffer Amplifier Circuit. This is a Single Supply AC Buffer Amplifier Circuit Diagram. The input is dc biased to mid-operating point and is ac coupled. Its input impedance is 11 - OUTPUT approximately 500K at low frequencies For dc loads referenced to ground, the quiescent current is increased by the load current set at the input dc bias voltage. 

Single Supply AC Buffer Amplifier Circuit Diagram

 

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