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Philips TDA8928J manual

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Table of contents for the manual

  • Page 1

    DA T A SH EET Preliminar y specification Supersedes data of 2004 F eb 04 2004 Ma y 05 INTEGRA TED CIRCUITS TDA8928J Power stage 2 x 10 or 1 x 20 W class-D audio amplifier[...]

  • Page 2

    2004 May 05 2 Philips Semiconductors Preliminary specification P o wer stage 2 x 10 or 1 x 20 W class-D audio amplifier TD A8928J CONTENTS 1 FEATURES 2 APPLICATIONS 3 GENERAL DESCRIPTION 4 QUICK REFERENCE DATA 5 ORDERING INFORMATION 6 BLOCK DIAGRAM 7 PINNING 8 FUNCTIONAL DESCRIPTION 8.1 Power stage 8.2 Protection 8.2.1 Maximum temperature 8.2.2 M[...]

  • Page 3

    2004 May 05 3 Philips Semiconductors Preliminar y specification P ow er stage 2 x 10 or 1 x 20 W class-D audio amplifier TD A8928J 1 FEA TURES • High efficiency (> 90 %) • Supply voltage from ± 7.5 V to ± 30 V • Very low quiescent current • High output power • Diagnostic output • Usable as a stereo Single-Ended (SE) amplifier •[...]

  • Page 4

    2004 May 05 4 Philips Semiconductors Preliminar y specification P ow er stage 2 x 10 or 1 x 20 W class-D audio amplifier TD A8928J 6 BLOCK DIA GRAM MGX377 handbook, full pagewidth CONTROL AND HANDSHAKE DRIVER HIGH TDA8928J TEMPERATURE SENSOR AND CURRENT PROTECTION DRIVER LOW temp current 4 7 V SS1 V SS1 V SS2 V DD2 6 1 2 9 81 0 V DD2 V DD1 13 5 C[...]

  • Page 5

    2004 May 05 5 Philips Semiconductors Preliminar y specification P ow er stage 2 x 10 or 1 x 20 W class-D audio amplifier TD A8928J 7 PINNING SYMBOL PIN DESCRIPTION SW1 1 digital switch input; channel 1 REL1 2 digital control output; channel 1 DIA G 3 digital open-drain output for ov er temperature and ov ercurrent repor t EN1 4 digital enable inp[...]

  • Page 6

    2004 May 05 6 Philips Semiconductors Preliminar y specification P ow er stage 2 x 10 or 1 x 20 W class-D audio amplifier TD A8928J 8 FUNCTIONAL DESCRIPTION The TDA8928J is a two-channel audio power amplifier system using class-D technology. The power stage TDA8928J is used for driving the loudspeaker load. It performs a level shift from the low-p[...]

  • Page 7

    2004 May 05 7 Philips Semiconductors Preliminar y specification P ow er stage 2 x 10 or 1 x 20 W class-D audio amplifier TD A8928J 9 LIMITING V ALUES In accordance with the Absolute Maximum Rate System (IEC 60134). Notes 1. Human Body Model (HBM); R s = 1 500 Ω ; C = 100 pF. 2. Machine Model (MM); R s =1 0 Ω ; C = 200 pF; L = 0.75 µ H. 10 TH[...]

  • Page 8

    2004 May 05 8 Philips Semiconductors Preliminar y specification P ow er stage 2 x 10 or 1 x 20 W class-D audio amplifier TD A8928J 12 DC CHARA CTERISTICS V P = ± 12.5 V ; T amb =2 5 ° C; measured in test diagram of Fig.4; unless otherwise specified. Note 1. Temperature sensor or maximum current sensor activated. SYMBOL P ARAMETER CONDITIONS MI[...]

  • Page 9

    2004 May 05 9 Philips Semiconductors Preliminar y specification P ow er stage 2 x 10 or 1 x 20 W class-D audio amplifier TD A8928J 13 A C CHARA CTERISTICS V P = ± 12.5 V; T amb =2 5 ° C; unless otherwise specified. Notes 1. V P = ± 12.5 V; R L =8 Ω ; f i = 1 kHz; f osc = 310 kHz; R s = 0.1 Ω (series resistance of filter coil); T amb =2 5 [...]

  • Page 10

    2004 May 05 10 Philips Semiconductors Preliminar y specification P ow er stage 2 x 10 or 1 x 20 W class-D audio amplifier TD A8928J 14 SWITCHING CHARA CTERISTICS V P = ± 12.5 V; T amb =2 5 ° C; measured in Fig.4; unless otherwise specified. SYMBOL P ARAMETER CONDITIONS MIN. TYP . MAX. UNIT PWM outputs (pins OUT1 and OUT2) ; see Fig.3 t r rise [...]

  • Page 11

    2004 May 05 11 Philips Semiconductors Preliminar y specification P ow er stage 2 x 10 or 1 x 20 W class-D audio amplifier TD A8928J This text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here in _ white to force landscape pages to be rotated correctly when brows[...]

  • Page 12

    2004 May 05 12 Philips Semiconductors Preliminar y specification P ow er stage 2 x 10 or 1 x 20 W class-D audio amplifier TD A8928J 15.1 SE application For a SE application the application diagram as shown in Fig.5 can be used. 15.2 P ackage ground connection The heatsink of the TDA8928J is connected internally to V SS . 15.3 Output power The out[...]

  • Page 13

    2004 May 05 13 Philips Semiconductors Preliminar y specification P ow er stage 2 x 10 or 1 x 20 W class-D audio amplifier TD A8928J This text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here in _ white to force landscape pages to be rotated correctly when brows[...]

  • Page 14

    2004 May 05 14 Philips Semiconductors Preliminar y specification P ow er stage 2 x 10 or 1 x 20 W class-D audio amplifier TD A8928J 15.4.1 P RINTED - CIRCUIT BOARD The printed-circuit board dimensions are 8.636 × 5.842 cm; single-sided copper of 35 µ m; silk screen on both sides; 79 holes; 94 components (32 resistors and 41 capacitors). handboo[...]

  • Page 15

    2004 May 05 15 Philips Semiconductors Preliminar y specification P ow er stage 2 x 10 or 1 x 20 W class-D audio amplifier TD A8928J mgx381 Top silk TDA8928ST In1 In2 Con3 C32 C33 L2 L1 L4 L3 C4 C3 DZ1 C14 C15 J3 C6 C7 C27 C5 U1 J2 J1 Con2 Con1 CO2 CO1 S1 DZ2 power_on GND Out1 Out2 V DD V SS state of D art V P typ +/- 12.5 V 2 x 10 W in 8 Ω sing[...]

  • Page 16

    2004 May 05 16 Philips Semiconductors Preliminar y specification P ow er stage 2 x 10 or 1 x 20 W class-D audio amplifier TD A8928J C19, C20, C21, C22, C39, C42 2.2 nF , 50 V SMD0805 C12, C13 15 nF , 50 V SMD0805 C40, C41 47 nF , 50 V SMD1206 C1, C2, C16, C17, C26, C38 100 nF , 50 V SMD0805 C8, C9, C10, C11, C34, C35 220 nF , 50 V SMD1206 C8 to C[...]

  • Page 17

    2004 May 05 17 Philips Semiconductors Preliminar y specification P ow er stage 2 x 10 or 1 x 20 W class-D audio amplifier TD A8928J 15.5 Curves measured in reference design handbook, halfpage MGX383 10 − 2 10 − 1 11 0 1 0 2 THD + N (%) 10 2 10 1 10 − 1 10 − 2 10 − 3 P o (W) (2) (1) (3) Fig.9 THD + N as function of output power. 2 × 8 ?[...]

  • Page 18

    2004 May 05 18 Philips Semiconductors Preliminar y specification P ow er stage 2 x 10 or 1 x 20 W class-D audio amplifier TD A8928J handbook, halfpage 0 100 20 40 60 80 MGX387 10 − 1 10 − 2 P o (W) S/N (dB) 11 0 1 0 2 Fig.13 S/N as function of output power. 2 × 8 Ω SE; V P = ± 12.5 V. handbook, halfpage − 100 0 − 80 − 60 − 40 − [...]

  • Page 19

    2004 May 05 19 Philips Semiconductors Preliminar y specification P ow er stage 2 x 10 or 1 x 20 W class-D audio amplifier TD A8928J 16 P A CKA GE OUTLINE REFERENCES OUTLINE VERSION EUROPEAN PROJECTION ISSUE DATE IEC JEDEC JEITA DIMENSIONS (mm are the original dimensions) Note 1. Plastic or metal protrusions of 0.25 mm maximum per side are not inc[...]

  • Page 20

    2004 May 05 20 Philips Semiconductors Preliminar y specification P ow er stage 2 x 10 or 1 x 20 W class-D audio amplifier TD A8928J UNIT A e 1 e 2 A 2 b p cE (1) D (1) Z (1) de L L 1 REFERENCES OUTLINE VERSION EUROPEAN PROJECTION ISSUE DATE IEC JEDEC JEITA mm 13.5 4.6 4.4 0.75 0.60 0.48 0.38 24.0 23.6 20.0 19.6 10 2.54 12.2 11.8 1.27 2.54 3.75 3.[...]

  • Page 21

    2004 May 05 21 Philips Semiconductors Preliminar y specification P ow er stage 2 x 10 or 1 x 20 W class-D audio amplifier TD A8928J 17 SOLDERING 17.1 Introduction to soldering thr ough-hole mount packa ges This text gives a brief insight to wave, dip and manual soldering. A more in-depth account of soldering ICs can be found in our “Data Handbo[...]

  • Page 22

    2004 May 05 22 Philips Semiconductors Preliminar y specification P ow er stage 2 x 10 or 1 x 20 W class-D audio amplifier TD A8928J 18 D A T A SHEET ST A TUS Notes 1. Please consult the most recently issued data sheet before initiating or completing a design. 2. The product status of the device(s) described in this data sheet may have changed sin[...]

  • Page 23

    © Koninklijke Philips Electronics N.V. 2004 SCA76 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 notice. No[...]