TFA9842AJ/N1,112 NXP Semiconductors, TFA9842AJ/N1,112 Datasheet - Page 18

• Manufacturer Part Number: TFA9842AJ/N1,112
• Description: IC AMP AUDIO PWR 7.5W STER 9SIL
• Manufacturer: NXP Semiconductors
• Type: Class ABr

Specifications of TFA9842AJ/N1,112

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 7.5W x 2 @ 4 Ohm
• Voltage - Supply: 9 V ~ 28 V
• Features: Depop, Mute, Short-Circuit and Thermal Protection, Standby, Volume Control
• Mounting Type: Through Hole
• Package / Case: 9-SIL (Bent and Staggered Leads)
• Product: Class-AB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935278063112; TFA9842AJ/N1; TFA9842AJ/N1

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 . . . . . . . . . . . . . . . . . . . . . . . . 13
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 14
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 16
Legal information. . . . . . . . . . . . . . . . . . . . . . . 17
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 . . . . . . . . . . . . . . . . . . . . 11
Layout and grounding . . . . . . . . . . . . . . . . . . . 11
Power supply decoupling . . . . . . . . . . . . . . . . 12
Thermal behavior and heatsink calculation . . 12
Quality information . . . . . . . . . . . . . . . . . . . . . 13
Introduction to soldering through-hole mount
packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Soldering by dipping or by solder wave . . . . . 15
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 15
Package related soldering information . . . . . . 15
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 17
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
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].
7.5 W stereo power amplifier with volume control
Contact information . . . . . . . . . . . . . . . . . . . . 17
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
TFA9842AJ
Document identifier: TFA9842AJ_1
Date of release: 28 April 2006
All rights reserved.