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LA4632 Datasheet(Fiches technique) 1 Page - Sanyo Semicon Device

Numéro de pièce LA4632
Description  10 W Two-Channel BTL AF Power Amplifier for Audio Applications
Télécharger  8 Pages
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Fabricant  SANYO [Sanyo Semicon Device]
Site Internet  http://www.ssdc-jp.com/eng/
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Overview
The LA4632 is a pin compatible version of the LA4631 (5 W
× two channel single ended type) BTL power amplifier
IC. The LA4632's pin compatibility makes it possible to share a common printed circuit board among a series of end
products differentiated by power rank. Note that the LA4631 has a pin 13, and that it is necessary to provide a hole for
this pin if the same printed circuit board is to be shared. Also, some of the external components used differ. The
LA4632 provides a full complement of built-in protection circuits, including protection against shorting to the power
supply, shorting to ground, load shorting, and excessive temperatures.
Functions and Applications
• Two-channel BTL power amplifier for audio applications
Absolute Maximum Ratings at Ta = 25°C
Operating Characteristics at Ta = 25°C
Caution: VCC, RL, and the output level must be set for the size of the heat sink used so that the Pd max range is not exceeded.
*1. When both channels are operating such that IOpeak = 1.0 A per channel is exceeded.
If the IC is operated such that IOpeak = 1.0 A per channel is not exceeded, the IC can be used in the range 5.5 to 20 V (in the ranges where Pd max is
not exceeded) with a load of RL = 4 to 8 Ω.
Parameter
Symbol
Conditions
Rated value
Unit
Recommended supply voltage
VCC
13
V
Recommended load resistance range
RL op
4 to 8
Allowable operating supply voltage range *1
VCC op
When RL = 8
5.5 to 20
V
When RL = 6
5.5 to 17
V
When RL = 4
5.5 to 13
V
Parameter
Symbol
Conditions
Rated value
Unit
Maximum supply voltage
VCC max
With no input signal
24
V
Maximum output current
IO peak
Per channel
2.5
A
Allowable power dissipation
Pd max
With an infinitely large heat sink
25
W
Maximum junction temperature
Tj max
150
°C
Operating temperature
Topr
–20 to +75
°C
Storage temperature
Tstg
–40 to +150
°C
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Ordering number : ENN8178
33105TN (OT) No.8178-1/8
SANYO Semiconductors
DATA SHEET
LA4632
Monolithic Linear IC
10 W Two-Channel BTL AF Power
Amplifier for Audio Applications
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft's
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.




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