UDN3718M Просмотр технического описания (PDF) - Allegro MicroSystems

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UDN3718M

LOW-VOLTAGE AUDIO POWER AMPLIFIER

Allegro MicroSystems 

3718 3718

LOW-VOLTAGE AUDIO POWER AMPLIFIER

LOW-VOLTAGE

AUDIO POWER AMPLIFIER

Providing a low-cost, compact alternative to discrete transistor

amplifiers, the ULN3718M integrated circuit is ideal for application

as a headphone driver in portable radios, tape players, and other

battery-operated equipment. The low-power audio amplifier’s wide

T frequency response and low noise ensure premium performance.

C The amplifier will operate (at reduced volume) with supply voltages

as low as 1.8 V without a significant increase in distortion. This feature

U allows operation with a 3 V battery supply and minimizes concern

Y about weak batteries. The class-AB audio amplifier has low quiescent

D L current drain for maximum battery life. This device is rated for opera-

tion with supply voltages up to 9 V.

O N The ULN3718M audio amplifier is supplied in an 8-pin mini-DIP

R O plastic package. A copper alloy lead frame gives the amplifier en-

P hanced power dissipation ratings.

ED NCE FEATURES

U E s Wide Operating Voltage Range 1.8 - 9.0 V

IN R s Low Quiescent Current

s AC Short-Circuit Protection

T E s Low External Parts Count

F s Low Distortion

N Es 40 dB Voltage Gain

O s Low Noise

ISC R R ABSOLUTE MAXIMUM RATINGS

D FO Supply Voltage, VCC . . . . . . . . . . . . . . 10 V

— Package Power Dissipation,

PD . . . . . . . . . . . . . . . . . . . . See Graph

Operating Temperature Range,

TA . . . . . . . . . . . . . . . . -20°C to +85°C

Storage Temperature Range,

TS . . . . . . . . . . . . . . . -65°C to +150°C

Always order by complete part number: ULN3718M .

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