Related Manuals for Philips TDA8928J
Summary of Contents for Philips TDA8928J
- Page 1 DATA SHEET TDA8928J Power stage 2 x 10 or 1 x 20 W class-D audio amplifier Preliminary specification Supersedes data of 2004 Feb 04 INTEGRATED CIRCUITS 2004 May 05...
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Page 2: Table Of Contents
Philips Semiconductors Power stage 2 x 10 or 1 x 20 W class-D audio amplifier CONTENTS FEATURES APPLICATIONS GENERAL DESCRIPTION QUICK REFERENCE DATA ORDERING INFORMATION BLOCK DIAGRAM PINNING FUNCTIONAL DESCRIPTION Power stage Protection 8.2.1 Maximum temperature 8.2.2 Maximum current LIMITING VALUES... -
Page 3: Features
2.54 mm) 2004 May 05 GENERAL DESCRIPTION The TDA8928J is a switching power stage for a high efficiency class-D audio power amplifier system. With this power stage a compact 2 digital amplifier system can be built, operating with high efficiency and very low dissipation. -
Page 4: Block Diagram
Philips Semiconductors Power stage 2 x 10 or 1 x 20 W class-D audio amplifier BLOCK DIAGRAM handbook, full pagewidth REL1 STAB DIAG POWERUP REL2 2004 May 05 TDA8928J DRIVER HIGH CONTROL HANDSHAKE DRIVER temp TEMPERATURE SENSOR current CURRENT PROTECTION... -
Page 5: Pinning
Philips Semiconductors Power stage 2 x 10 or 1 x 20 W class-D audio amplifier PINNING SYMBOL DESCRIPTION digital switch input; channel 1 REL1 digital control output; channel 1 DIAG digital open-drain output for overtemperature and overcurrent report digital enable input; channel 1 positive power supply;... -
Page 6: Functional Description
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-power digital PWM signal, at logic levels, to a high-power PWM signal that switches between the main supply lines. -
Page 7: Limiting Values
Philips Semiconductors Power stage 2 x 10 or 1 x 20 W class-D audio amplifier LIMITING VALUES In accordance with the Absolute Maximum Rate System (IEC 60134). SYMBOL PARAMETER supply voltage supply voltage for P(sc) short-circuits across the load repetitive peak current in... -
Page 8: Dc Characteristics
Philips Semiconductors Power stage 2 x 10 or 1 x 20 W class-D audio amplifier 12 DC CHARACTERISTICS = 12.5 V; T = 25 C; measured in test diagram of Fig.4; unless otherwise specified. SYMBOL PARAMETER Supply supply voltage total quiescent current... -
Page 9: Ac Characteristics
Philips Semiconductors Power stage 2 x 10 or 1 x 20 W class-D audio amplifier 13 AC CHARACTERISTICS = 12.5 V; T = 25 C; unless otherwise specified. SYMBOL PARAMETER Single-ended application; note 1 output power total harmonic distortion efficiency endstage Notes 1. -
Page 10: Switching Characteristics
Philips Semiconductors Power stage 2 x 10 or 1 x 20 W class-D audio amplifier 14 SWITCHING CHARACTERISTICS = 12.5 V; T = 25 C; measured in Fig.4; unless otherwise specified. SYMBOL PARAMETER PWM outputs (pins OUT1 and OUT2); see Fig.3... - Page 11 Acrobat reader. white to force landscape pages to be ... 12 V V EN V SW1 V REL1 V STAB V DIAG 12 V TDA8928J 12 k DRIVER HIGH CONTROL HANDSHAKE REL1 DRIVER...
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Page 12: Se Application
Reference design The reference design for a self oscillating class-D system for the TDA8928J is shown in Fig.5. The Printed-Circuit Board (PCB) layout is shown in Figs 6, 7 and 8. The bill of materials is given in Section 15.4.2. - Page 13 100 nF 3.3 V 2.2 nF LM393 2.2 nF 3.9 k 2.2 nF 10 k Fig.5 Single-ended self oscillating class-D system application diagram for TDA8928J. 470 F (35 V) 220 nF STAB (U1,9) 22 F (100 V) 220 nF REL1...
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Page 14: Printed-Circuit Board
The printed-circuit board dimensions are 8.636 79 holes; 94 components (32 resistors and 41 capacitors). handbook, full pagewidth Fig.6 Printed-circuit board (bottom silk) layout for TDA8928J. handbook, full pagewidth Fig.7 Printed-circuit board (bottom copper) layout for TDA8928J. 2004 May 05 5.842 cm;... -
Page 15: Bill Of Materials
Philips Semiconductors Power stage 2 x 10 or 1 x 20 W class-D audio amplifier Fig.8 Printed-circuit board (top silk) layout for TDA8928ST. 15.4.2 ILL OF MATERIALS COMPONENT DESCRIPTION TDA8928ST LM393AD 36 V Zener diode 3.3 V Zener diode BC848 transistor... - Page 16 Philips Semiconductors Power stage 2 x 10 or 1 x 20 W class-D audio amplifier COMPONENT DESCRIPTION C19, C20, C21, 2.2 nF, 50 V C22, C39, C42 C12, C13 15 nF, 50 V C40, C41 47 nF, 50 V C1, C2, C16, C17,...
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Page 17: Curves Measured In Reference Design
Philips Semiconductors Power stage 2 x 10 or 1 x 20 W class-D audio amplifier 15.5 Curves measured in reference design handbook, halfpage SE; V = 12.5 V. (1) 6 kHz. (2) 1 kHz. (3) 100 Hz. Fig.9 THD + N as function of output power. - Page 18 Philips Semiconductors Power stage 2 x 10 or 1 x 20 W class-D audio amplifier handbook, halfpage (dB) SE; V = 12.5 V. Fig.13 S/N as function of output power. handbook, halfpage (dB) SE; V = 12.5 V; V = 100 mV.
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Page 19: Package Outline
Philips Semiconductors Power stage 2 x 10 or 1 x 20 W class-D audio amplifier 16 PACKAGE OUTLINE DBS17P: plastic DIL-bent-SIL power package; 17 leads (lead length 7.7 mm) DIMENSIONS (mm are the original dimensions) UNIT 17.0 0.75 0.48 15.5 0.60... - Page 20 Philips Semiconductors Power stage 2 x 10 or 1 x 20 W class-D audio amplifier RDBS17P: plastic rectangular-DIL-bent-SIL power package; 17 leads (row spacing 2.54 mm) DIMENSIONS (mm are the original dimensions) UNIT 0.75 0.48 13.5 0.60 0.38 Note 1. Plastic or metal protrusions of 0.25 mm maximum per side are not included.
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Page 21: Soldering
Philips Semiconductors Power stage 2 x 10 or 1 x 20 W class-D audio amplifier 17 SOLDERING 17.1 Introduction to soldering through-hole mount packages 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 Handbook IC26;... -
Page 22: Data Sheet Status
2. The product status of the device(s) described in this data sheet may have changed since this data sheet was published. The latest information is available on the Internet at URL http://www.semiconductors.philips.com. 3. For data sheets describing multiple type numbers, the highest-level product status determines the data sheet status. - Page 23 Contact information For additional information please visit http://www.semiconductors.philips.com. For sales offices addresses send e-mail to: sales.addresses@www.semiconductors.philips.com. © Koninklijke Philips Electronics N.V. 2004 All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner.