TDA7241B データシートの表示（PDF） - STMicroelectronics

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TDA7241B

20W BRIDGE AMPLIFIER FOR CAR RADIO

STMicroelectronics 

TDA7241B

20W BRIDGE AMPLIFIER FOR CAR RADIO

VERY LOW STAND-BY CURRENT

GAIN = 32dB

OUTPUT PROTECTED AGAINST SHORT

CIRCUITS TO GROUND AND ACROSS

LOAD

COMPACT HEPTAWATT PACKAGE

DUMP TRANSIENT

THERMAL SHUTDOWN

LOUDSPEAKER PROTECTION

HIGH CURRENT CAPABILITY

LOW DISTORTION / LOW NOISE

DESCRIPTION

The TDA7241B is a 20W bridge audio amplifier

IC designed specially for car radio applications.

Thanks to the low external part count and com-

pact Heptawatt 7-pin power package the

TDA7241B occupies little space on the printed

circuit board.

Reliable operation is guaranteed by a compre-

Figure 1: Test and Appliication Circuit

Heptawatt

ORDERING NUMBER: TDA7241BH

hensive array of on-chip protection features.

These include protection against AC and DC out-

put short circuits (to ground and across the load),

load dump transients, and junction overtempera-

ture. Additionally, the TDA7241B protects the

loudspeaker when one output is short-circuited to

ground.

July 1997

1/7

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