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Philips TDA8946J - page 1
TD A8946J 2 x 15 W stereo Bridge Tied Load (BTL) audio amplifier Rev . 02 — 14 Mar ch 2000 Product specification c c 1. General description The TD A8946J is a dual-channel audio po wer amplifier with an output po wer of 2 × 1 5 Wa ta n8 Ω load and a 18 V supply . The circuit contains two Bridge Tied Load (BTL) amplifiers with an all-NPN ou ...
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Philips TDA8946J - page 2
Philips Semiconductors TD A8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev . 02 — 14 March 2000 2 of 23 9397 750 06863 © Philips Electronics N.V . 2000. All rights reserved. 5. Or dering inf ormation 6. Bloc k diagram P o output power THD = 10%; R L =8 Ω ; V CC =1 8V 13 15 - W THD total harmonic distor tion P o = 1 W - 0. ...
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Philips TDA8946J - page 3
Philips Semiconductors TD A8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev . 02 — 14 March 2000 3 of 23 9397 750 06863 © Philips Electronics N.V . 2000. All rights reserved. 7. Pinning inf ormation 7.1 Pinning 7.2 Pin description Fig 2. Pin configuration. handbook, halfpage TDA8946J MBK932 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...
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Philips TDA8946J - page 4
Philips Semiconductors TD A8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev . 02 — 14 March 2000 4 of 23 9397 750 06863 © Philips Electronics N.V . 2000. All rights reserved. 8. Functional description The TD A8946J is a stereo BTL audio power amplifier capab le of delivering 2 × 15 W output pow er to an 8 Ω load at THD = ...
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Philips TDA8946J - page 5
Philips Semiconductors TD A8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev . 02 — 14 March 2000 5 of 23 9397 750 06863 © Philips Electronics N.V . 2000. All rights reserved. 8.2 P ower amplifier The pow er amplifier is a Bridge Tied Load (BTL) amplifier with an all-NPN output stage, capab le of delivering a peak output c ...
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Philips TDA8946J - page 6
Philips Semiconductors TD A8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev . 02 — 14 March 2000 6 of 23 9397 750 06863 © Philips Electronics N.V . 2000. All rights reserved. Mute — In this mode the amplifier is DC-biased but not operational (no audio output); the DC le vel of the input and output pins remain on half the ...
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Philips TDA8946J - page 7
Philips Semiconductors TD A8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev . 02 — 14 March 2000 7 of 23 9397 750 06863 © Philips Electronics N.V . 2000. All rights reserved. 9. Limiting v alues 10. Thermal c haracteristics 11. Static c haracteristics [1] With a load connected at the outputs the quiescent current will increa ...
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Philips TDA8946J - page 8
Philips Semiconductors TD A8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev . 02 — 14 March 2000 8 of 23 9397 750 06863 © Philips Electronics N.V . 2000. All rights reserved. 12. Dynamic c haracteristics [1] The noise output voltage is measured at the output in a frequency range from 20 Hz to 20 kHz (unweighted), with a sour ...
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Philips TDA8946J - page 9
Philips Semiconductors TD A8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev . 02 — 14 March 2000 9 of 23 9397 750 06863 © Philips Electronics N.V . 2000. All rights reserved. Fig 5. Output v oltage as function of mode v oltage. Fig 6. T otal harmonic distortion as function of output power . handbook, full pagewidth V MODE (V ...
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Philips TDA8946J - page 10
Philips Semiconductors TD A8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev . 02 — 14 March 2000 10 of 23 9397 750 06863 © Philips Electronics N.V . 2000. All rights reserved. No bandpass filter applied. Fig 7. T otal harmonic distortion as function of frequency . THD = 10%. Fig 8. Output power as function of suppl y v olta ...
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Philips TDA8946J - page 11
Philips Semiconductors TD A8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev . 02 — 14 March 2000 11 of 23 9397 750 06863 © Philips Electronics N.V . 2000. All rights reserved. V CC =1 8V . V CC =1 8V . Fig 10. Efficiency as function of output po wer . Fig 11. P ower dissipation as function of output power . No bandpass fil ...
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Philips TDA8946J - page 12
Philips Semiconductors TD A8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev . 02 — 14 March 2000 12 of 23 9397 750 06863 © Philips Electronics N.V . 2000. All rights reserved. V CC = 18 V; R S =0 Ω ; V ripple = 700 mV (RMS); no bandpass filter applied. Curves A: inputs shor t-circuited Curves B: inputs shor t-circuited an ...
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Philips TDA8946J - page 13
Philips Semiconductors TD A8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev . 02 — 14 March 2000 13 of 23 9397 750 06863 © Philips Electronics N.V . 2000. All rights reserved. 13. Internal cir cuitry T ab le 9: Internal circuitry Pin Symbol Equivalent cir cuit 6 and 8 IN1+ and IN1 − 12 and 9 IN2+ and IN2 − 1 and 4 OUT1- ...
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Philips TDA8946J - page 14
Philips Semiconductors TD A8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev . 02 — 14 March 2000 14 of 23 9397 750 06863 © Philips Electronics N.V . 2000. All rights reserved. 14. Application inf ormation 14.1 Printed-circuit boar d (PCB) 14.1.1 Lay out and grounding F or a high system performance lev el cer tain grounding t ...
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Philips TDA8946J - page 15
Philips Semiconductors TD A8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev . 02 — 14 March 2000 15 of 23 9397 750 06863 © Philips Electronics N.V . 2000. All rights reserved. 14.1.2 P ower supply decoupling Proper supply bypassing is critical f or low-noise performance and high supply voltage ripple rejection. The respectiv ...
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Philips TDA8946J - page 16
Philips Semiconductors TD A8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev . 02 — 14 March 2000 16 of 23 9397 750 06863 © Philips Electronics N.V . 2000. All rights reserved. 14.2 Thermal behaviour and heatsink calculation The measured maximum thermal resistance of the IC package, R th(j-mb) is 4.5 K/W . A calculation f or ...
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Philips TDA8946J - page 17
Philips Semiconductors TD A8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev . 02 — 14 March 2000 17 of 23 9397 750 06863 © Philips Electronics N.V . 2000. All rights reserved. 16. P ac kage outline Fig 16. DBS17P pac kage outline . REFERENCES OUTLINE VERSION EUROPEAN PROJECTION ISSUE DATE IEC JEDEC EIAJ DIMENSIONS (mm are th ...
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Philips TDA8946J - page 18
Philips Semiconductors TD A8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev . 02 — 14 March 2000 18 of 23 9397 750 06863 © Philips Electronics N.V . 2000. All rights reserved. 17. Soldering 17.1 Introduction to soldering thr ough-hole mount packa g es This te xt gives a brief insight to wav e, dip and manual soldering. A mor ...
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Philips TDA8946J - page 19
Philips Semiconductors TD A8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev . 02 — 14 March 2000 19 of 23 9397 750 06863 © Philips Electronics N.V . 2000. All rights reserved. 18. Re vision histor y T ab le 11: Revision history Rev Date CPCN Description 02 20000314 - Product specification; second ver sion; supersedes initia ...
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Philips TDA8946J - page 20
Philips Semiconductors TD A8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev . 02 — 14 March 2000 20 of 23 9397 750 06863 © Philips Electronics N.V . 2000. All rights reserved. 02 20000314 - Modifications: • Section 14.1 “Printed-circuit board (PCB)” on page 14 : → added • Figure 15 : figure added • Section 14.2 ...
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Philips TDA8946J - page 21
Philips Semiconductors TD A8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev . 02 — 14 March 2000 21 of 23 9397 750 06863 © Philips Electronics N.V . 2000 All rights reserved. 19. Data sheet status [1] Please consult the most recently issued data sheet before initiating or completing a design. 20. Definitions Short-form spec ...
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Philips TDA8946J - page 22
Philips Semiconductors TD A8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev . 02 — 14 March 2000 22 of 23 9397 750 06863 © Philips Electronics N.V . 2000. All rights reserved. Philips Semiconductor s - a w orldwide compan y Australia: T el. +61 2 9704 8141, Fax. +61 2 9704 8139 Austria: T el. +43 160 101, Fax. +43 160 101 12 ...
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Philips TDA8946J - page 23
© Philips Electronics N.V. 2000. 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 ...
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