TDA8586 datasheet(9/24 Pages) PHILIPS

Part #	TDA8586

Description	Power amplifier with load detection and auto BTL/SE selection

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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9 / 24 page

1999 Apr 08

9

Philips Semiconductors

Preliminary speciﬁcation

Power ampliﬁer with load detection and

auto BTL/SE selection

TDA8586

Fig.5 Timing diagram including diagnostics.

handbook, full pagewidth

MGR027

state

condition

This voltage must remain present.

Whatever the load detection has found the mode of operation will be inverted.

Toggling between the 2 modes is possible.

The mode is overruled only from

BTL to SE when the diagnostic pin

is excited with a pulse of 10 V.

standby

load detect

mute

no load detect

mute

no clipping/shorts

on

clipping

on

short-circuit

on

VP

MSO

diagnostic

information

diagnostic

overrule

mode select

amplifier

output

buffer/amplifier

output

0

3 V

5 V

10 V

0

5 V

0

0.5VP

0

0.5VP

0

9 V

short-circuit to supply

short-circuit over load

short-circuit to ground

short-circuit to supply

short-circuit over load

short-circuit to ground

SE detected

BTL detected

SE detection

BTL detection

minimum 1 s

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TDA8586 Datasheet(PDF) 9 Page - NXP Semiconductors

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