SOLDERING. Philips TDA7057AQ
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Philips TDA7057AQ is a stereo BTL audio output amplifier with DC volume control. It features a low power consumption, low HF radiation, and is ESD protected on all pins. It offers a wide range of applications, including TVs, monitors, battery-fed portable recorders, and radios. With its DC volume control, you can easily adjust the volume level without compromising audio quality.
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Philips Semiconductors
2
×
8 W stereo BTL audio output amplifier with DC volume control
Product specification
TDA7057AQ
SOLDERING
Introduction
There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and surface mounted components are mixed on one printed-circuit board. However, wave soldering is not always suitable for surface mounted ICs, or for printed-circuits with high population densities. In these situations reflow soldering is often used.
This text gives a very brief insight to a complex technology.
A more in-depth account of soldering ICs can be found in our “IC Package Databook” (order code 9398 652 90011).
The device may be mounted up to the seating plane, but the temperature of the plastic body must not exceed the specified maximum storage temperature (T stg max
). If the printed-circuit board has been pre-heated, forced cooling may be necessary immediately after soldering to keep the temperature within the permissible limit.
Repairing soldered joints
Apply a low voltage soldering iron (less than 24 V) to the lead(s) of the package, below the seating plane or not more than 2 mm above it. If the temperature of the soldering iron bit is less than 300
°
C it may remain in contact for up to 10 seconds. If the bit temperature is between 300 and 400
°
C, contact may be up to 5 seconds.
Soldering by dipping or by wave
The maximum permissible temperature of the solder is
260
°
C; solder at this temperature must not be in contact with the joint for more than 5 seconds. The total contact time of successive solder waves must not exceed
5 seconds.
DEFINITIONS
Data sheet status
Objective specification
Preliminary specification
Product specification
This data sheet contains target or goal specifications for product development.
This data sheet contains preliminary data; supplementary data may be published later.
This data sheet contains final product specifications.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale.
1998 Apr 07 12
Philips Semiconductors
2
×
8 W stereo BTL audio output amplifier with DC volume control
NOTES
Product specification
TDA7057AQ
1998 Apr 07 13
Philips Semiconductors
2
×
8 W stereo BTL audio output amplifier with DC volume control
NOTES
Product specification
TDA7057AQ
1998 Apr 07 14
Philips Semiconductors
2
×
8 W stereo BTL audio output amplifier with DC volume control
NOTES
Product specification
TDA7057AQ
1998 Apr 07 15
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© Philips Electronics N.V. 1998 SCA59
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.
Printed in The Netherlands
545102/1200/04/pp16 Date of release: 1998 Apr 07 Document order number: 9397 750 03255
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Table of contents
- 2 FEATURES
- 2 GENERAL DESCRIPTION
- 2 Missing Current Limiter (MCL)
- 2 QUICK REFERENCE DATA
- 2 ORDERING INFORMATION
- 3 BLOCK DIAGRAM
- 4 PINNING
- 4 FUNCTIONAL DESCRIPTION
- 5 LIMITING VALUES
- 5 THERMAL CHARACTERISTICS
- 5 Power dissipation
- 6 CHARACTERISTICS
- 9 APPLICATION INFORMATION
- 9 Test conditions
- 9 Thermal considerations:
- 11 PACKAGE OUTLINE
- 11 SOT141-6
- 12 SOLDERING
- 12 DEFINITIONS
- 12 LIFE SUPPORT APPLICATIONS