TDA8946 Philips Semiconductors, TDA8946 Datasheet - Page 23

• Manufacturer Part Number: TDA8946
• Description: 2 x 15 W stereo Bridge Tied Load BTL audio amplifier
• Manufacturer: Philips Semiconductors

Philips Semiconductors
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
8.3.1
8.4
8.5
8.5.1
8.5.2
9
10
11
12
13
14
14.1
14.1.1
14.1.2
14.2
15
15.1
15.2
16
17
17.1
17.2
17.3
17.4
18
19
20
21
© Philips Electronics N.V. 2000.
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
liability will be accepted by the publisher for any consequence of its use. Publication
thereof does not convey nor imply any license under patent- or other industrial or
intellectual property rights.
Date of release: 14 March 2000
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Quick reference data . . . . . . . . . . . . . . . . . . . . . 1
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3
Functional description . . . . . . . . . . . . . . . . . . . 4
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 7
Thermal characteristics. . . . . . . . . . . . . . . . . . . 7
Static characteristics. . . . . . . . . . . . . . . . . . . . . 7
Dynamic characteristics . . . . . . . . . . . . . . . . . . 8
Internal circuitry. . . . . . . . . . . . . . . . . . . . . . . . 13
Application information. . . . . . . . . . . . . . . . . . 14
Test information. . . . . . . . . . . . . . . . . . . . . . . . 16
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 17
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 19
Data sheet status . . . . . . . . . . . . . . . . . . . . . . . 21
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
Input configuration . . . . . . . . . . . . . . . . . . . . . . 4
Power amplifier . . . . . . . . . . . . . . . . . . . . . . . . . 5
Output power measurement . . . . . . . . . . . . . . . 5
Headroom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Mode selection . . . . . . . . . . . . . . . . . . . . . . . . . 5
Switch-on and switch-off. . . . . . . . . . . . . . . . . . 6
Supply Voltage Ripple Rejection (SVRR) . . . . . 6
Built-in protection circuits . . . . . . . . . . . . . . . . . 6
Short-circuit protection . . . . . . . . . . . . . . . . . . . 6
Thermal shutdown protection . . . . . . . . . . . . . . 6
Printed-circuit board (PCB). . . . . . . . . . . . . . . 14
Layout and grounding . . . . . . . . . . . . . . . . . . . 14
Power supply decoupling . . . . . . . . . . . . . . . . 15
Thermal behaviour and heatsink calculation . 16
Quality information . . . . . . . . . . . . . . . . . . . . . 16
Test conditions . . . . . . . . . . . . . . . . . . . . . . . . 16
Introduction to soldering through-hole
Soldering by dipping or by solder wave . . . . . 18
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 18
Package related soldering information . . . . . . 18
mount packages . . . . . . . . . . . . . . . . . . . . . . 18
Document order number: 9397 750 06863
Printed in The Netherlands
2 x 15 W stereo BTL audio amplifier
TDA8946J