tfa9843aj NXP Semiconductors, tfa9843aj Datasheet - Page 19

• Manufacturer Part Number: tfa9843aj
• Description: Tfa9843aj 20 W Stereo Power Amplifier With Volume Control
• Manufacturer: NXP Semiconductors

Philips Semiconductors
20. Contents
1
2
3
4
5
6
7
7.1
7.2
8
8.1
8.2
8.2.1
8.2.2
8.3
8.4
8.5
9
10
11
12
13
13.1
13.1.1
13.1.2
13.2
13.2.1
13.2.2
13.3
14
14.1
15
16
16.1
16.2
16.3
16.4
17
18
18.1
18.2
18.3
18.4
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Quick reference data . . . . . . . . . . . . . . . . . . . . . 2
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3
Functional description . . . . . . . . . . . . . . . . . . . 4
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 6
Thermal characteristics. . . . . . . . . . . . . . . . . . . 6
Static characteristics. . . . . . . . . . . . . . . . . . . . . 7
Dynamic characteristics . . . . . . . . . . . . . . . . . . 7
Application information. . . . . . . . . . . . . . . . . . 10
Test information . . . . . . . . . . . . . . . . . . . . . . . . 14
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 15
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 17
Legal information. . . . . . . . . . . . . . . . . . . . . . . 18
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
Input configuration . . . . . . . . . . . . . . . . . . . . . . 4
Power amplifier . . . . . . . . . . . . . . . . . . . . . . . . . 4
Output power measurement . . . . . . . . . . . . . . . 4
Headroom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Mode selection . . . . . . . . . . . . . . . . . . . . . . . . . 5
Supply voltage ripple rejection . . . . . . . . . . . . . 5
Built-in protection circuits . . . . . . . . . . . . . . . . . 6
Application diagrams . . . . . . . . . . . . . . . . . . . 10
Single-ended application . . . . . . . . . . . . . . . . 10
Volume control drive options. . . . . . . . . . . . . . 11
Printed-circuit board . . . . . . . . . . . . . . . . . . . . 12
Layout and grounding . . . . . . . . . . . . . . . . . . . 12
Power supply decoupling . . . . . . . . . . . . . . . . 12
Thermal behavior and heatsink calculation . . 13
Quality information . . . . . . . . . . . . . . . . . . . . . 14
Introduction to soldering through-hole mount
packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Soldering by dipping or by solder wave . . . . . 16
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 16
Package related soldering information . . . . . . 16
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 18
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
19
20
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© Koninklijke Philips Electronics N.V. 2006.
For more information, please visit: http://www.semiconductors.philips.com.
For sales office addresses, email to: [e-mail].
20 W stereo power amplifier with volume control
Contact information . . . . . . . . . . . . . . . . . . . . 18
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
TFA9843AJ
Document identifier: TFA9843AJ_1
Date of release: 28 April 2006
All rights reserved.