Nxp Semiconductors SA58670A User Manual

NXP Semiconductors

SA58670A

2.1 W/channel stereo class-D audio amplifier

© NXP B.V. 2008.

For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com

Date of release: 23 October 2008

Document identifier: SA58670A_2

Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.

19. Contents

General description . . . . . . . . . . . . . . . . . . . . . . 1

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Ordering information . . . . . . . . . . . . . . . . . . . . . 2

Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Pinning information . . . . . . . . . . . . . . . . . . . . . . 3

6.1

Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

6.2

Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3

Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 4

Static characteristics. . . . . . . . . . . . . . . . . . . . . 5

Dynamic characteristics . . . . . . . . . . . . . . . . . . 6

Typical performance curves . . . . . . . . . . . . . . . 7

Application information. . . . . . . . . . . . . . . . . . 16

11.1

Power supply decoupling considerations . . . . 16

11.2

Input capacitor selection . . . . . . . . . . . . . . . . . 16

11.3

PCB layout considerations . . . . . . . . . . . . . . . 17

11.4

Filter-free operation and ferrite bead filters. . . 17

11.5

Efficiency and thermal considerations . . . . . . 18

11.6

Additional thermal information . . . . . . . . . . . . 18

Test information . . . . . . . . . . . . . . . . . . . . . . . . 18

Package outline . . . . . . . . . . . . . . . . . . . . . . . . 19

Soldering of SMD packages . . . . . . . . . . . . . . 20

14.1

Introduction to soldering . . . . . . . . . . . . . . . . . 20

14.2

Wave and reflow soldering . . . . . . . . . . . . . . . 20

14.3

Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 20

14.4

Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 21

Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Revision history . . . . . . . . . . . . . . . . . . . . . . . . 22

Legal information. . . . . . . . . . . . . . . . . . . . . . . 23

17.1

Data sheet status . . . . . . . . . . . . . . . . . . . . . . 23

17.2

Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

17.3

Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

17.4

Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Contact information. . . . . . . . . . . . . . . . . . . . . 23

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24