Ordering number: ENN7095
Monolithic Linear IC
LA4277
5 W 2-Channel Power Amplifier
Overview
The LA4277 is a 5 W 2-channel power amplifier intended
for televisions.
This IC has a series of pin compatible monaural and 2-
channel power amplifiers, thus allows the end product to
use a common circuit boad.
Package Dimensions
unit: mm
3248-SIP10HD
[LA4277]
Features
鈥?Television audio output.
鈥?Pin compatible with the LA4266 (3 W)/LA4267 (5 W)/
4268 (10 W) and the LA4276 (3 W
脳
2)/4278(10 W
脳
2).
鈥?Package: SIP-10HD (2.54 mm pitch, straight pins).
鈥?Thermal protection circuit and overvoltage protection
circuit on chip.
鈥?Output power: 5 W
脳
2(V
CC
= 20 V/R
L
= 8
鈩?.
25.6
C0.7
3.4
(10.0)
2.0
2.4
1.0 min
1
1.37
2.54
0.5
1.15
10
4.5
13.9
11.2
(11.8)
15.4max
0.4
1.2
Specifications
Maximum Ratings
at Ta = 25擄C
Parameter
Maximum supply voltage
Allowable power dissipation
Thermal resistance
Operating temperature
Storage temperature
Symbol
V
CC
Pd max
Rg = 0
Infinite heat sink
Conditions
SANYO: SIP10HD
Ratings
25
15.0
3.0
鈥?0 to +75
鈥?0 to +150
Unit
V
W
擄C/W
擄C
擄C
胃
j-c
Topr
Tstg
Operating Conditions
at Ta = 25擄C
Parameter
Recommended supply voltage
Load resistance
Operating supply voltage range
Symbol
V
CC
R
L
V
CC
op
Range does not exceed Pd
Conditions
Ratings
20
8
10 to 24
Unit
V
鈩?/div>
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鈥檚
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
41202RM (II) No. 7095-1/6
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