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.
Monolithic Linear IC
2-Channel 10W AF Power Amplifier,
for Home Stereo, TV Use
Ordering number:ENN2251B
LA4280
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
21500TH (KT)/8016KI/D227AT/1179YT No.2251–1/3
Package Dimensions
unit:mm
3023A-SIP14H
[LA4280]
SANYO : SIP14H
Features
High-power 2-channel AF power amplifier.
Low distortion.
Minimum number of external parts requierd (no boot-
strap capacitor requierd).
Low pop noise at the time of power switch ON/OFF.
Excellent ripple rejection (58dB typ).
Wide operating voltage range (10V to 40V).
External muting available.
On-chip protector against abnormalities (thermal shut-
down, overvoltage).
C
Operating Conditions at Ta = 25C
Specifications
Absolute Maximum Ratings at Ta = 25C
Operating Characteristics at Ta = 25C, VCC=32V, RL=8, f=1kHz, Rg=600, See specified test circuit
Continued on next page
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