TDA7375AV datasheet(11/14 Pages) STMICROELECTRONICS

Part #	TDA7375AV

Description	2 x 37W DUAL/QUAD POWER AMPLIFIER FOR CAR RADIO

PDF	14 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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11 / 14 page

TION

As different kinds of information is available at the

same pin (clipping detection, output fault, thermal

proximity), this signal must be handled properly in

order to discriminate the event.

This could be done taking into account the differ-

ent timing of the diagnostic output against differ-

ent events.

Normally the clip detector signalling produces a

low level at out 10 that is shorter referred to every

SOFT SHORT

OUT TO Vs SHORT

FAULT DETECTION

CORRECT TURN-ON

OUT TO GND SHORT

ST-BY PIN

VOLTAGE

OUTPUT

WAVEFORM

Vpin 10

CHECK AT TURN-ON

(TEST PHASE)

SHORT TO GND

OR TO Vs

D94AU149A

Figure 24: Fault Waveforms

ST-BY PIN

VOLTAGE

OUTPUT

WAVEFORM

Vpin 10

WAVEFORM

SHORT TO GND

OR TO Vs

D94AU150

CLIPPING

THERMAL

PROXIMITY

Figure 25: Waveforms

TDA7375A

11/14

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