TDA8542TS NXP Semiconductors, TDA8542TS Datasheet

The TDA8542TS is a two channel audio power amplifierfor an output power of 2 x 0

TDA8542TS

Manufacturer Part Number
TDA8542TS
Description
The TDA8542TS is a two channel audio power amplifierfor an output power of 2 x 0
Manufacturer
NXP Semiconductors
Datasheet

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Product specification
Supersedes data of 1997 Nov 17
File under Integrated Circuits, IC01
DATA SHEET
TDA8542TS
2
0.7 W BTL audio amplifier
INTEGRATED CIRCUITS
1998 Mar 25

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TDA8542TS Summary of contents

Page 1

... DATA SHEET TDA8542TS 2 0.7 W BTL audio amplifier Product specification Supersedes data of 1997 Nov 17 File under Integrated Circuits, IC01 INTEGRATED CIRCUITS 1998 Mar 25 ...

Page 2

... At a low supply voltage of 3 output power of 0.6 W with an 8 contains two Bridge-Tied Load (BTL) amplifiers with a complementary PNP-NPN output stage and standby/mute logic. The TDA8542TS is available in a SSOP20 package. APPLICATIONS Portable consumer products Personal computers and across the CC Motor-driver (servo) ...

Page 3

... BTL/SE 1998 Mar 25 V CCL V CCR CCL STANDBY/MUTE LOGIC TDA8542TS CCR STANDBY/MUTE LOGIC 6 Fig.1 Block diagram. 3 Product specification TDA8542TS 11 18 OUTL 3 OUTL 13 OUTR 8 OUTR 1 10 MBK445 LGND RGND ...

Page 4

... V 20 supply voltage, left channel CCL FUNCTIONAL DESCRIPTION The TDA8542TS 0.7 W BTL audio power amplifier capable of delivering 2 0.7 W output power load at THD = 10% using power supply. Using the MODE pin the device can be switched to standby and mute condition. The device is protected by an internal thermal shutdown protection mechanism ...

Page 5

... CONDITIONS operating non-operating PARAMETER ( 0.70 5 Product specification TDA8542TS MIN. MAX. 0.3 + +150 40 +85 10 1.12 CONDITIONS VALUE (1) in free air 110 CONTINUOUS SINE WAVE DRIVEN ...

Page 6

... V; measured in test circuit Fig.3; unless otherwise specified. MODE CONDITIONS operating note MODE CC note 2 operating mute standby 0 < V < V MODE CC single-ended BTL BTL/ Product specification TDA8542TS MIN. TYP. MAX. 2 2.2 50 500 0 0 100 V ...

Page 7

... THD = 0.5 THD = 0.5 3 THD = 10 THD = 10 THD = 0.5 THD = 0.5 0 note 1 note 2 note 3 note 4 note 5 in test circuit of Fig.3. at the input. 7 Product specification TDA8542TS MIN. TYP 0.38 0.15 6 100 the input. ...

Page 8

... V, CC connecting a small capacitor across the feedback resistor. To improve the immunity of HF radiation in radio circuit applications, a small capacitor can be connected in parallel with the feedback resistor ( this creates a low-pass filter. 8 TDA8542TS = not specially mentioned dB, audio band-pass ...

Page 9

... OUTR 50 k TDA8542TS INR 14 INR 15 SVR 5 MODE 4 BTL/ GND Fig.3 BTL application. MGD890 handbook, halfpage ( kHz Product specification TDA8542TS V CC 100 nF 100 F OUTL OUTL 3 OUTR OUTR 8 MBK443 10 THD (%) ...

Page 10

... dB dB dB. v Channel separation as a function of frequency. 2 (W) 2 1.5 (1) ( Fig function Product specification TDA8542TS MGD893 (1) (2) ( (Hz) MBK448 ( ...

Page 11

... Fig. function 1998 Mar 25 MBK449 handbook, halfpage (V) Sine wave of 1 kHz; V MGD898 handbook, halfpage V MODE ( ( Product specification TDA8542TS 0 Fig. function standby ...

Page 12

... OUTL 3 C5 OUTR 13 470 OUTR 8 MBK444 10 THD (%) (1) ( Fig.16 THD as a function of frequency. Product specification TDA8542TS MGD900 (Hz) ...

Page 13

... R S (1) G (2) G (3) G MBK451 handbook, halfpage (2) ( (V) THD = 10%. (1) R (2) R (3) R Fig.20 Worst case power dissipation as a function . CC 13 Product specification TDA8542TS 20 40 (1) ( 100 mV. ripple = dB. v Fig.18 SVRR as a function of frequency. ...

Page 14

... Philips Semiconductors 2 0.7 W BTL audio amplifier 2.4 handbook, halfpage P (W) (1) 1.6 (2) (3) 0 0.4 0 kHz Fig. function of P 1998 Mar 25 MGD905 1 Product specification TDA8542TS ...

Page 15

... GND OUT1 OUT1 100 100 TDA 8542/47TS OUT2 OUT2 b. Top view components layout. Fig.22 Printed-circuit board layout (BTL). 15 Product specification TDA8542TS TDA 8542TS 8547TS MODE SELECT CIC Nijmegen MGK997 ...

Page 16

... Mar 2.5 scale (1) ( 0.32 0.20 6.6 4.5 6.6 0.65 0.20 0.13 6.4 4.3 6.2 REFERENCES JEDEC EIAJ detail 0.75 0.65 1.0 0.2 0.13 0.45 0.45 EUROPEAN PROJECTION Product specification TDA8542TS SOT266 ( 0.48 10 0.1 o 0.18 0 ISSUE DATE 90-04-05 95-02-25 ...

Page 17

... Use only a low voltage soldering iron (less than 24 V) applied to the flat part of the lead. Contact time must be limited to 10 seconds 300 C. When using a dedicated tool, all other leads can be soldered in one operation within seconds between 270 and 320 C. 17 Product specification TDA8542TS ...

Page 18

... Philips customers using or selling these products for use in such applications their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale.8 1998 Mar 25 18 Product specification TDA8542TS ...

Page 19

... Philips Semiconductors 2 0.7 W BTL audio amplifier 1998 Mar 25 NOTES 19 Product specification TDA8542TS ...

Page 20

Philips Semiconductors – a worldwide company Argentina: see South America Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113, Tel. +61 2 9805 4455, Fax. +61 2 9805 4466 Austria: Computerstr. 6, A-1101 WIEN, P.O. Box 213, Tel. +43 160 1010, ...

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