TDA7073AT datasheet(2/16 Pages) PHILIPS

2 / 16 page

1999 Aug 30

Philips Semiconductors

Product speciﬁcation

Dual BTL power driver

TDA7073A; TDA7073AT

FEATURES

• No external components

• Very high slew rate

• Single power supply

• Short-circuit proof

• High output current (0.6 A)

• Wide supply voltage range

• Low output offset voltage

• Suited for handling PWM signals up to 176 kHz

• ESD protected on all pins.

GENERAL DESCRIPTION

The TDA7073A/AT are dual power driver circuits in a BTL

configuration, intended for use as a power driver for servo

systems with a single supply. They are specially designed

for compact disc players and are capable of driving focus,

tracking, sled functions and spindle motors.

Missing Current Limiter (MCL)

A MCL protection circuit is built-in. The MCL circuit is

activated when the difference in current between the

output terminal of each amplifier exceeds 100 mA (typical

300 mA). This level of 100 mA allows for headphone

applications (single-ended).

QUICK REFERENCE DATA

ORDERING INFORMATION

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

positive supply voltage range

3.0

5.0

voltage gain

32.5

33.5

34.5

total quiescent current

VP =5V; RL = ∞−

816

slew rate

−

µs

output current

−−

0.6

Ibias

input bias current

−

100

300

fco

cut-off frequency

−3dB

−

1.5

−

MHz

TYPE NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

TDA7073A

DIP16

plastic dual in-line package; 16 leads (300 mil); long body

SOT38-1

TDA7073AT

SO16

plastic small outline package; 16 leads; body width 7.5 mm

SOT162-1

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