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Philips TDA1562Q, TDA1562SD, TDA1562ST 2003 Feb 12 4, BLOCK DIAGRAM, Fig.1 Block diagram.

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2003 Feb 12 4

Philips Semiconductors Preliminary speciﬁcation

70 W high efﬁciency power ampliﬁer

with diagnostic facility TDA1562Q; TDA1562ST;

TDA1562SD

BLOCK DIAGRAM

Fig.1 Block diagram.

handbook, full pagewidth

POWER-

STAGE

PREAMP

STAT

VP*

kΩ

−

C1+C1−

FEEDBACK

CIRCUIT

TDA1562

POWER-

STAGE

CLASS-B

CLASS-H

FAST MUTE

TEMPERATURE

SENSOR LOAD DUMP

PROTECTION

STANDBY

MUTE

LOAD

DETECTOR DYNAMIC

DISTORTION

DETECTOR

DIAGNOSTIC

INTERFACE

TEMPERATURE

PROTECTION

CURRENT

PROTECTION

LIFT-SUPPLY

disable

MODE 4

IN+

kΩ

15 kΩ

reference

voltage

PREAMP

−

IN−

Vref

SGND

C2+C2−

OUT−

15 13 6

PGND1 PGND2

MGL264

DIAG

OUT+

910

VP1

Contents

Main with diagnostic facility TDA1562Q; TDA1562ST; TDA1562SD Page 2003 Feb 12 4 BLOCK DIAGRAM Fig.1 Block diagram. TDA1562 with diagnostic facility TDA1562Q; TDA1562ST; TDA1562SD with diagnostic facility TDA1562Q; TDA1562ST; TDA1562SD 2003 Feb 12 7 70 W high efciency power amplier Fig.3 Switching characteristics. Page Page SNW-FQ-611D Page Page Page 2003 Feb 12 14 TEST AND APPLICATION INFORMATION Fig.9 Test and application circuit. TDA1562 with diagnostic facility TDA1562Q; TDA1562ST; 2003 Feb 12 15 TDA1562SD TDA1562 Fig.10 CMRR test set-up. 2003 Feb 12 16 PACKAGE OUTLINES DBS17P: plastic DIL-bent-SIL power package; 17 leads (lead length 12 mm) SOT243-1 2003 Feb 12 17 RDBS17P: plastic rectangular-DIL-bent-SIL power package; 17 leads (row spacing 2.54 mm) SOT577-2 2003 Feb 12 18 RDBS17P: plastic rectangular-DIL-bent-SIL power package; 17 leads (row spacing 2.54 mm) SOT577-2 2003 Feb 12 19 Data Handbook IC26; Integrated Circuit Packages Page Page Page Philips Semiconductors a w orldwide compan y