Single BTL power driver
INTEGRATED CIRCUITS
DATA SHEET
TDA7072A/AT Single BTL power driver
Objective specification File under Integrated circui...
Description
INTEGRATED CIRCUITS
DATA SHEET
TDA7072A/AT Single BTL power driver
Objective specification File under Integrated circuits, IC01 July 1994
Philips Semiconductors
Objective specification
Single BTL power driver
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 Missing Current Limiter (MCL) GENERAL DESCRIPTION
TDA7072A/AT
The TDA7072A/AT are single 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.
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 SYMBOL VP Gv IP SR IO Ibias fco PARAMETER positive supply voltage range internal voltage gain total quiescent current slew rate output current input bias current cut-off frequency −3 dB VP = 5 V; RL = ∞ CONDITIONS MIN. 3.0 32.5 − − − − − TYP. 5.0 33.5 4 12 − 100 1.5 MAX. 18 34.5 8 − 0.6 300 − UNIT V dB mA V/µs A nA MHz
ORDERING INFORMATION EXTENDED TYPE NUMBER TDA7072A TDA7072AT Notes 1. SOT97-1; 1996 Septe...
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