TDA8944AJ/N2,112 NXP Semiconductors, TDA8944AJ/N2,112 Datasheet - Page 20

IC AMP AUDIO PWR 7W STER 17SIL

TDA8944AJ/N2,112

Manufacturer Part Number
TDA8944AJ/N2,112
Description
IC AMP AUDIO PWR 7W STER 17SIL
Manufacturer
NXP Semiconductors
Type
Class ABr
Datasheet

Specifications of TDA8944AJ/N2,112

Output Type
2-Channel (Stereo)
Max Output Power X Channels @ Load
7W x 2 @ 8 Ohm
Voltage - Supply
4.5 V ~ 18 V
Features
Depop, Mute, Short-Circuit and Thermal Protection, Standby, Volume Control
Mounting Type
Through Hole
Package / Case
17-SIL (Bent and Staggered Leads)
Operational Class
Class-AB
Audio Amplifier Output Configuration
2-Channel Stereo
Output Power (typ)
7x2@8OhmW
Audio Amplifier Function
Speaker
Total Harmonic Distortion
0.07@8Ohm@1W%
Single Supply Voltage (typ)
12V
Dual Supply Voltage (typ)
Not RequiredV
Power Supply Requirement
Single
Power Dissipation
18W
Rail/rail I/o Type
No
Single Supply Voltage (min)
4.5V
Single Supply Voltage (max)
18V
Dual Supply Voltage (min)
Not RequiredV
Dual Supply Voltage (max)
Not RequiredV
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Through Hole
Pin Count
17
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
568-3461-5
935270284112
TDA8944AJU
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
8.6
8.6.1
8.6.2
9
10
11
12
13
14
14.1
14.1.1
14.1.2
14.2
15
15.1
15.1.1
16
17
17.1
17.2
17.3
17.4
18
19
20
21
© Koninklijke Philips Electronics N.V. 2002.
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: 01 March 2002
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. . . . . . . . . . . . . . . . . . . . . 8
Dynamic characteristics . . . . . . . . . . . . . . . . . . 9
Internal circuitry. . . . . . . . . . . . . . . . . . . . . . . . 12
Application information. . . . . . . . . . . . . . . . . . 14
Test information . . . . . . . . . . . . . . . . . . . . . . . . 16
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 17
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 18
Data sheet status . . . . . . . . . . . . . . . . . . . . . . . 19
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
Input configuration . . . . . . . . . . . . . . . . . . . . . . 4
Power amplifier . . . . . . . . . . . . . . . . . . . . . . . . . 5
Output power measurement . . . . . . . . . . . . . . . 5
Headroom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Mode selection . . . . . . . . . . . . . . . . . . . . . . . . . 6
Switch-on and switch-off. . . . . . . . . . . . . . . . . . 6
DC gain control . . . . . . . . . . . . . . . . . . . . . . . . . 6
Supply Voltage Ripple Rejection (SVRR) . . . . . 6
Built-in protection circuits . . . . . . . . . . . . . . . . . 7
Short-circuit protection . . . . . . . . . . . . . . . . . . . 7
Thermal shutdown protection . . . . . . . . . . . . . . 7
Printed-circuit board . . . . . . . . . . . . . . . . . . . . 14
Layout and grounding . . . . . . . . . . . . . . . . . . . 14
Power supply decoupling . . . . . . . . . . . . . . . . 15
Thermal behaviour and heatsink calculation . 15
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 09433
2 x 7 W BTL audio amplifier with DC gain control
TDA8944AJ

Related parts for TDA8944AJ/N2,112