參數(shù)資料
型號(hào): TDA8943SF
廠商: NXP SEMICONDUCTORS
元件分類: 音頻/視頻放大
英文描述: 6 W mono Bridge Tied Load (BTL) audio amplifier(6 W單聲道BTL音頻放大器)
中文描述: 6 W, 1 CHANNEL, AUDIO AMPLIFIER, PSFM9
封裝: PLASTIC, SIP-9
文件頁(yè)數(shù): 20/20頁(yè)
文件大小: 358K
代理商: TDA8943SF
Philips Electronics N.V. 2000.
Printed in The Netherlands
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: 7 April 2000
Document order number: 9397 750 06865
Contents
Philips Semiconductors
TDA8943SF
6 W mono Bridge Tied Load (BTL) audio amplifier
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
General description
. . . . . . . . . . . . . . . . . . . . . . 1
Features
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Quick reference data
. . . . . . . . . . . . . . . . . . . . . 1
Ordering information
. . . . . . . . . . . . . . . . . . . . . 2
Block diagram
. . . . . . . . . . . . . . . . . . . . . . . . . . 2
Pinning information
. . . . . . . . . . . . . . . . . . . . . . 3
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
Functional description
. . . . . . . . . . . . . . . . . . . 3
Input configuration . . . . . . . . . . . . . . . . . . . . . . 4
Power amplifier. . . . . . . . . . . . . . . . . . . . . . . . . 4
Output power measurement. . . . . . . . . . . . . . . 4
Headroom. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Mode selection . . . . . . . . . . . . . . . . . . . . . . . . . 5
Switch-on and switch-off. . . . . . . . . . . . . . . . . . 5
Supply Voltage Ripple Rejection (SVRR). . . . . 6
Built-in protection circuits . . . . . . . . . . . . . . . . . 6
Short-circuit protection . . . . . . . . . . . . . . . . . . . 6
Thermal shutdown protection . . . . . . . . . . . . . . 6
Limiting values
. . . . . . . . . . . . . . . . . . . . . . . . . . 6
Thermal characteristics
. . . . . . . . . . . . . . . . . . . 7
Static characteristics
. . . . . . . . . . . . . . . . . . . . . 7
Dynamic characteristics
. . . . . . . . . . . . . . . . . . 8
Internal circuitry
. . . . . . . . . . . . . . . . . . . . . . . . 11
Application information
. . . . . . . . . . . . . . . . . . 12
Printed-circuit board (PCB). . . . . . . . . . . . . . . 12
Layout and grounding. . . . . . . . . . . . . . . . . . . 12
Power supply decoupling . . . . . . . . . . . . . . . . 13
Thermal behaviour and heatsink calculation . 14
Test information
. . . . . . . . . . . . . . . . . . . . . . . . 14
Quality information . . . . . . . . . . . . . . . . . . . . . 14
Test conditions . . . . . . . . . . . . . . . . . . . . . . . . 14
Package outline
. . . . . . . . . . . . . . . . . . . . . . . . 15
Soldering
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Introduction to soldering through-hole
mount packages . . . . . . . . . . . . . . . . . . . . . . 16
Soldering by dipping or by solder wave . . . . . 16
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 16
Package related soldering information . . . . . . 16
Revision history
. . . . . . . . . . . . . . . . . . . . . . . . 17
Data sheet status
. . . . . . . . . . . . . . . . . . . . . . . 18
Definitions
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Disclaimers
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
17.2
17.3
17.4
18
19
20
21
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