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SANYO Semiconductors

LA4631 Datasheet Preview

LA4631 Datasheet

5 W Two-Channel AF Power Amplifier

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Ordering number : ENN8177
SANYO Semiconductors
DATA SHEET
LA4631
Monolithic Linear IC
5 W Two-Channel AF Power Amplifier
for Audio Applications
Overview
The LA4631 (5 W × 2 channels) is a single-ended power IC that has a pin arrangement similar to the LA4632 BTL
power IC (10 W × 2 channels). The LA4631'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 LA4632 is provided in an SIP-12H
package, and that it is necessary to provide a hole for the LA4631 pin 13 if the same printed circuit board is to be
shared. Note also that certain external components differ.)
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Functions and Applications
• Two-channel power amplifier for audio applications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Maximum output current
Allowable power dissipation
Maximum junction temperature
Operating temperature
Storage temperature
Symbol
VCC max
IO peak
Pd max
Tj max
Topr
Tstg
Conditions
With no input signal
Per channel
With an infinitely large heat sink
Rated value
24
2
15
150
–20 to +75
–40 to +150
Unit
V
A
W
°C
°C
°C
Operating Conditions at Ta = 25°C
Parameter
Symbol
Conditions
Recommended supply voltage
Recommended load resistance range
Allowable operating supply voltage range
VCC
RL op
VCC op
*: 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.
Rated value
14
4
5.5 to 22
Unit
V
V
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.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
32405TN (OT) No.8177-1/6




SANYO Semiconductors

LA4631 Datasheet Preview

LA4631 Datasheet

5 W Two-Channel AF Power Amplifier

No Preview Available !

LA4631
Operating Characteristics at Ta = 25°C, VCC = 14 V, RL = 4 , f = 1kHz, Rg = 600
Parameter
Standby current
Quiescent current drain
Standby pin applied voltage
Output power
Total harmonic distortion
Voltage gain
Output noise voltage (rms)
Supply voltage rejection ratio
Channel separation
Input resistance
Symbol
Conditions
Ist
ICCO
Vst
PO
THD
VG
VNO
SVRR
CH. Sep
Ri
VSTB = 0 V
Rg = 0, VSTB = 5 V
The pin 5 voltage such that the amplifier is on
THD = 10 %
VO = 1 W
VO = 0 dBm
Rg = 0, BPF = 20 Hz to 20 kHz
Rg = 0, fR = 100 Hz, VCCR = 0 dBm
Rg = 10 k, VO = 0 dBm
min
18
1.5
4
33
50
45
20
Ratings
typ
1
35
5
0.15
35
0.05
60
55
30
max
10
80
5
0.4
37
0.25
40
Unit
µA
mA
V
W
%
dB
mVrms
dB
dB
k
Package Dimensions
unit : mm
3236
C0.7 25.6
3.4 10.0
( 2.0)
2.4
1
(0.8) 2.0
0.5
13
0.4
1.15
1.2
SANYO : SIP13H
16
15
14
12 11.7
Pd max -- Ta
With an infinitely
large heat sink
100×100×1.5mm3
Aluminum heat sink
Tightening torque
: 39 N cm
With silicone
grease applied
θjc = 3 ºC/W
10
8
6 5.8
50×50×1.5mm3
4
2.0 Without a heat sink
2
0
--20 0
20 40 60 80 100 120 140 160
Ambient temperature, Ta - °C
ILA06982
No.8177-2/6


Part Number LA4631
Description 5 W Two-Channel AF Power Amplifier
Maker SANYO Semiconductors
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LA4631 Datasheet PDF






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