NXP Semiconductors TDA8932B Product Data Sheet

NXP Semiconductors TDA8932B Product Data Sheet Manual pdf 48 page image

NXP Semiconductors TDA8932BClass-D audio amplifier© NXP B.V. 21 June 2007. All rights reserved.For more information, please visit: http://www.nxp.comFor sales office addresses, please send an email to: salesaddresses@nxp.comDate of release: 21 June 2007Document identifier: TDA8932B_3Please be aware that important notices concerning this document and the product(s)described herein, have been included in section ‘Legal information’.22. Contents1 General description . . . . . . . . . . . . . . . . . . . . . . 12 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Quick reference data . . . . . . . . . . . . . . . . . . . . . 25 Ordering information . . . . . . . . . . . . . . . . . . . . . 26 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Pinning information . . . . . . . . . . . . . . . . . . . . . . 47.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 48 Functional description . . . . . . . . . . . . . . . . . . . 58.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58.2 Mode selection and interfacing . . . . . . . . . . . . . 68.3 Pulse width modulation frequency . . . . . . . . . . 78.4 Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88.4.1 Thermal Foldback (TF) . . . . . . . . . . . . . . . . . . . 98.4.2 OverTemperature Protection (OTP) . . . . . . . . . 98.4.3 OverCurrent Protection (OCP) . . . . . . . . . . . . . 98.4.4 Window Protection (WP). . . . . . . . . . . . . . . . . . 98.4.5 Supply voltage protection . . . . . . . . . . . . . . . . 108.5 Diagnostic input and output . . . . . . . . . . . . . . 118.6 Differential inputs . . . . . . . . . . . . . . . . . . . . . . 118.7 Output voltage buffers. . . . . . . . . . . . . . . . . . . 119 Internal circuitry. . . . . . . . . . . . . . . . . . . . . . . . 1210 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 1611 Thermal characteristics. . . . . . . . . . . . . . . . . . 1612 Static characteristics. . . . . . . . . . . . . . . . . . . . 1713 Dynamic characteristics . . . . . . . . . . . . . . . . . 1914 Application information. . . . . . . . . . . . . . . . . . 2214.1 Output power estimation. . . . . . . . . . . . . . . . . 2214.2 Output current limiting. . . . . . . . . . . . . . . . . . . 2414.3 Speaker configuration and impedance . . . . . . 2414.4 Single-ended capacitor . . . . . . . . . . . . . . . . . . 2414.5 Gain reduction . . . . . . . . . . . . . . . . . . . . . . . . 2514.6 Device synchronization. . . . . . . . . . . . . . . . . . 2614.7 Thermal behavior (printed-circuit boardconsiderations) . . . . . . . . . . . . . . . . . . . . . . . . 2614.8 Pumping effects . . . . . . . . . . . . . . . . . . . . . . . 2714.9 SE curves measured in reference design. . . . 2914.10 BTL curves measured in reference design . . . 3314.11 Typical application schematics (simplified) . . . 3715 Test information . . . . . . . . . . . . . . . . . . . . . . . . 4015.1 Quality information . . . . . . . . . . . . . . . . . . . . . 4016 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 4117 Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4317.1 Introduction to soldering . . . . . . . . . . . . . . . . . 4317.2 Wave and reflow soldering . . . . . . . . . . . . . . . 4317.3 Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 4317.4 Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 4418 Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 4519 Revision history . . . . . . . . . . . . . . . . . . . . . . . 4620 Legal information . . . . . . . . . . . . . . . . . . . . . . 4720.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 4720.2 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 4720.3 Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 4720.4 Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 4721 Contact information . . . . . . . . . . . . . . . . . . . . 4722 Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

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