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Philips TDA8542 1998 Apr 01 9, BTL APPLICATION, Fig.5 THD as a function of Po., Fig.4 Iq as a function of VCC., Fig.3 BTL application.

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1998 Apr 01 9

Philips Semiconductors Product speciﬁcation

2× 1 W BTL audio ampliﬁer TDA8542

BTL APPLICATION

Fig.3 BTL application.

handbook, full pagewidth

MBH798

VCC

ViL

OUTL−

INL−

INL+

OUTL+

100 nF 100 µF

16 9

TDA8542

OUTR−

GND

INR−11

INR+

SVR

MODE

BTL/SE

OUTR−

OUTR+

47 µF

1 µF

1 µFR1

10 kΩ

50 kΩ

ViR

Gain left 2 R2

--------

×=

Gain right 2 R4

--------

×=

Fig.4 Iq as a function of VCC.

RI = ∞.

handbook, halfpage

(mA)

VCC (V)

0420

81216

MGD890

Fig.5 THD as a function of Po.

f = 1 kHz, Gv=20dB.

(1) VCC = 5 V, RL=8Ω.

(2) VCC = 9 V, RL=16Ω.

handbook, halfpage

THD

(%)

10−2

10−1

MGD891

10−210−11Po (W) 10

(1) (2)

Contents

Main 2 1 W BTL audio amplier TDA8542 1998 Apr 01 3 BLOCK DIAGRAM TDA8542 Fig.1 Block diagram. Page 2 1 W BTL audio amplier TDA8542 SNW-FQ-611-E Quality Reference Handbook Page Page 2 1 W BTL audio amplier TDA8542 1998 Apr 01 9 BTL APPLICATION Fig.5 THD as a function of Po. Fig.4 Iq as a function of VCC. Fig.3 BTL application. 1998 Apr 01 10 60 Fig.9 Po as a function of VCC. Fig.8 SVRR as a function of frequency. f (Hz) 1998 Apr 01 11 Fig.10 Worst case power dissipation as a function of VCC. Fig.13 Vms as a function of VP. Fig.12 Vo as a function of Vms. Fig.11 Pdis as a function of Po. 1998 Apr 01 12 SE APPLICATION Fig.16 THD as a function of frequency. Fig.15 THD as a function of Po. Fig.14 Single-ended application. 1998 Apr 01 13 Fig.17 Channel separation as a function of frequency. Fig.19 Po as a function of VCC. Fig.18 SVRR as a function of frequency. Fig.20 Worst case power dissipation as a function of VCC. 1998 Apr 01 14 Fig.21 Power dissipation as a function of Po. 1998 Apr 01 15 a. Top view. b. Component side. Fig.22 Printed-circuit board layout (BTL and SE). 1998 Apr 01 16 PACKAGE OUTLINES SO16: plastic small outline package; 16 leads; body width 7.5 mm SOT162-1 1998 Apr 01 17 DIP16: plastic dual in-line package; 16 leads (300 mil); long body SOT38-1 IC Package Databook Page Philips Semiconductors a worldwide company Printed in The Netherlands