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Philips TDA8943SF manual

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Table of contents for the manual

  • Page 1

    TD A8943SF 7 W mono Bridge Tied Load (BTL) audio amplifier 14 April 1999 Preliminary specification 1. General description The TD A8943SF is a single-channel audio power amplifier with an output po wer of 7 W at an 8 Ω load and a 12 V supply . The circuit contains a Bridge Tied Load (BTL) amplifier with an all-NPN output stage and standby/m ut[...]

  • Page 2

    Philips Semiconductors TD A8943SF 7 W mono BTL audio amplifier Preliminary specification 14 April 1999 2 of 12 9397 750 04877 © Philips Electronics N.V . 1999. All rights reserved. 5. Or dering information 5.1 Ordering options P o output power THD = 10%; R L =8 Ω ; V CC =1 2V 67- W THD total harmonic distor tion P o = 1 W - 0.03 0.1 % G v volt[...]

  • Page 3

    Philips Semiconductors TD A8943SF 7 W mono BTL audio amplifier Preliminary specification 14 April 1999 3 of 12 9397 750 04877 © Philips Electronics N.V . 1999. All rights reserved. 6. Bloc k diagram 7. Pinning inf ormation 7.1 Pinning Fig 1. Block dia gram. i dth MBK942 STANDBY/ MUTE LOGIC SHORT CIRCUIT AND TEMPERATURE PROTECTION 20 k Ω 20 k ?[...]

  • Page 4

    Philips Semiconductors TD A8943SF 7 W mono BTL audio amplifier Preliminary specification 14 April 1999 4 of 12 9397 750 04877 © Philips Electronics N.V . 1999. All rights reserved. 7.2 Pin description 8. Functional description The TD A8943SF is a mono BTL audio power amplifier capab le of deliv er ing 7 W output power to an 8 Ω load at THD = [...]

  • Page 5

    Philips Semiconductors TD A8943SF 7 W mono BTL audio amplifier Preliminary specification 14 April 1999 5 of 12 9397 750 04877 © Philips Electronics N.V . 1999. All rights reserved. Operating — In this mode the amplifier is operating normally . The operating mode is activ ated at V MODE < 0.5 V . 9. Limiting v alues [1] Applies to all funct[...]

  • Page 6

    Philips Semiconductors TD A8943SF 7 W mono BTL audio amplifier Preliminary specification 14 April 1999 6 of 12 9397 750 04877 © Philips Electronics N.V . 1999. All rights reserved. 12. Dynamic characteristics [1] The noise output v oltage is measured at the output in a frequency range from 20 Hz to 20 kHz (unweighted), with a source impedance R [...]

  • Page 7

    Philips Semiconductors TD A8943SF 7 W mono BTL audio amplifier Preliminary specification 14 April 1999 7 of 12 9397 750 04877 © Philips Electronics N.V . 1999. All rights reserved. 14. T est information 14.1 Quality information The General Quality Specification f or Integrated Circuits , SNW -FQ-611-par t E is applicable and ref erence can be f[...]

  • Page 8

    Philips Semiconductors TD A8943SF 7 W mono BTL audio amplifier Preliminary specification 14 April 1999 8 of 12 9397 750 04877 © Philips Electronics N.V . 1999. All rights reserved. 15. P ac kage outline Fig 4. SIL9MPF packa ge outline . UNIT A A max. 2 A 3 b 1 D 1 b 2 bc D (1) E (1) Z max. (1) eL P P 1 q 1 q 2 q REFERENCES OUTLINE VERSION EUROPE[...]

  • Page 9

    Philips Semiconductors TD A8943SF 7 W mono BTL audio amplifier Preliminary specification 14 April 1999 9 of 12 9397 750 04877 © Philips Electronics N.V . 1999. All rights reserved. 16. Soldering 16.1 Introduction to soldering thr ough-hole mount packages This te xt gives a brief insight to wa ve , dip and manual soldering. A more in-depth accoun[...]

  • Page 10

    Philips Semiconductors TD A8943SF 7 W mono BTL audio amplifier Preliminary specification 14 April 1999 10 of 12 9397 750 04877 © Philips Electronics N.V . 1999 All rights reserved. 18. Data sheet status [1] Please consult the most recently issued data sheet before initiating or completing a design. 19. Definitions Short-form specification — [...]

  • Page 11

    Philips Semiconductors TD A8943SF 7 W mono BTL audio amplifier Preliminary specification 14 April 1999 11 of 12 9397 750 04877 © Philips Electronics N.V . 1999. All rights reserved. Philips Semiconductor s - a world wide company Argentina: see South America Australia: T el. +61 29 805 4455, Fax. +61 29 805 4466 Austria: T el. +43 160 101, Fax. +[...]

  • Page 12

    © Philips Electronics N.V. 1999. Printed in The Netherlands All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without [...]