Philips TDA8566 用户手册

The TDA8566 is an integrated class-B output amplifier which is available in several
packages. TDA8566TH is contained in a 20-lead small outline plastic package. The
TDA8566TH1 is a 24-lead small outline plastic package which is pin compatible with the
I

2

C-bus controlled amplifier TDA1566TH for one board layout. TDA8566Q is a 17-pin

DIL-bent-SIL package.

The device contains 2 amplifiers in a Bridge-Tied Load (BTL) configuration. The output
power is 2

×

25 W in a 4

Ω

 load or 2

×

40 W in a 2

Ω

 load. It has a differential input stage

and 2 diagnostic outputs. The device is primarily developed for car radio applications.

n

Differential inputs

n

Very high Common Mode Rejection Ratio (CMRR)

n

High common mode input signal handling

n

Requires very few external components

n

High output power

n

4

Ω

 and 2

Ω

 load driving capability

n

Low offset voltage at output

n

Fixed gain

n

Diagnostic facility (distortion, short-circuit and temperature pre-warning)

n

Good ripple rejection

n

Mode select switch (operating, mute and standby)

n

Load dump protection

n

Short-circuit proof to ground, to V

P

 and across the load

n

Low power dissipation in any short-circuit condition

n

Thermally protected

n

Reverse polarity safe

n

Protected against electrostatic discharge

n

No switch-on/switch-off plops

n

Low thermal resistance

n

TDA8566TH1 is pin compatible with TDA1566TH

×

Ω