tfa9810t-n1 NXP Semiconductors, tfa9810t-n1 Datasheet - Page 29

• Manufacturer Part Number: tfa9810t-n1
• Description: Tfa9810 Stereo Full-bridge Audio Amplifier 2 X 12 W
• Manufacturer: NXP Semiconductors

NXP Semiconductors
20. Contents
1
2
3
4
5
6
7
7.1
7.2
8
8.1
8.2
8.3
8.3.1
8.3.2
8.4
8.5
8.6
9
10
11
12
12.1
12.2
12.3
13
14
14.1
14.2
14.3
14.4
14.5
14.6
14.7
14.8
14.9
15
16
17
18
18.1
18.2
18.3
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Quick reference data . . . . . . . . . . . . . . . . . . . . . 1
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
Functional description . . . . . . . . . . . . . . . . . . . 5
Internal circuitry. . . . . . . . . . . . . . . . . . . . . . . . . 8
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 14
Thermal characteristics. . . . . . . . . . . . . . . . . . 15
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 15
Quality specification . . . . . . . . . . . . . . . . . . . . 18
Application information. . . . . . . . . . . . . . . . . . 18
Test information . . . . . . . . . . . . . . . . . . . . . . . . 25
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 26
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 27
Legal information. . . . . . . . . . . . . . . . . . . . . . . 28
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Interfacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Input comparators. . . . . . . . . . . . . . . . . . . . . . . 6
Operating in self-oscillating configuration . . . . . 6
Operating in open-loop configuration . . . . . . . . 6
Diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Protections . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Start-up sequence . . . . . . . . . . . . . . . . . . . . . . 8
Static characteristics. . . . . . . . . . . . . . . . . . . . 15
Dynamic characteristics . . . . . . . . . . . . . . . . . 17
AC characteristics measured in a typical
application. . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Output power estimation. . . . . . . . . . . . . . . . . 18
Output current limiting. . . . . . . . . . . . . . . . . . . 20
Speaker configuration and impedance . . . . . . 20
Differential input . . . . . . . . . . . . . . . . . . . . . . . 20
Single-ended input . . . . . . . . . . . . . . . . . . . . . 21
Curves measured in a typical application . . . . 22
Typical application diagram TFA9810 . . . . . . . 23
Typical application: bill of materials. . . . . . . . . 25
Snubber network. . . . . . . . . . . . . . . . . . . . . . . 25
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 28
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
18.4
19
20
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP B.V. 2007.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [e-mail]
Contact information . . . . . . . . . . . . . . . . . . . . 28
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Audio amplifier 2 x 12 W
Document identifier: TFA9810_2
Date of release: 30 August 2007
TFA9810
All rights reserved.