Sanyo LA4275 Specifications
Ordering number: EN 2237B
Monolithic Linear IC
LA4275
6.0 W AF Power Amplifier
for Home Stereo, TV Use
Features
.
Small-sized package of 7-pin SIP
.
High power and low distortion
P
=6.0WatVCC=25V,RL=8Ω,
O
f = 1 kHz, THD = 1.0%
THD = 0.1% at V
f = 1 kHz, P
.
Minimum number of external parts required (no bootstrap
capacitor required)
.
Low pop noise at the time of power switch ON/OFF
.
Excellent ripple rejection (55 dB typ.)
.
Wide operating voltage range (10 V to 32 V)
.
Protector against abnormalities built in (thermal shutdown,
overvoltage)
O
=25V,RL=8Ω,
CC
=2W
Specifications
Package Dimensions
unit : mm
3075-SIP7H
[LA4275]
SANYO : SIP7H
Maximum Ratings at Ta = 25°C
Parameter Symbol Conditions Ratings Unit
Maximum supply voltage V
Maximum output current I
Allowable power dissipation Pd max With heat sink 10 W
Operating temperature Topr –20 to +75 °C
Storage temperature Tstg –40 to +150 °C
max Quiescent 35 V
CC
peak 3.5 A
O
Operating Conditions at Ta = 25°C
Parameter Symbol Conditions Ratings Unit
Recommended supply voltage V
Operating voltage range V
Recommended load resistance R
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.
CC
CC
op 10 to 32 V
L
25 V
8to16 Ω
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
O3096HA(II)/D228YT/8016KI/O155KI,TS No.2237-1/3
LA4275
Operating Characteristics atTa=25°C, VCC=25V,RL=8Ω,f=1kHz, Rg = 600 Ω,
See specified Test Circuit.
Parameter Symbol Conditions min typ max Unit
Quiescent current I
Voltage gain VG 38 40 42 dB
Output power P
Total harmonic distortion THD P
Output noise voltage V
Ripple rejection SVRR Rg = 10 kΩ,f
CCO
NO
Equivalent Circuit Block Diagram and Pin Assignment
Quiescent 30 60 mA
THD = 1% 5.0 6.0 W
O
= 2 W 0.1 0.8 %
O
Rg=10kΩ, BW = 20 Hz to 20 kHz 0.25 1.0 mV
= 100 Hz, VR= 0 dBm 45 55 dB
R
Pd max – Ta
Al heat sink
Mounting torque
39N·cm
With silicone
grease applied
Infinite
heat sink
Sample Application Circuit (Test Circuit)
Allowable power dissipation, Pd max – W
No heat sink
Ambient temperature, Ta –°C
Polyester
film
capacitor
No. 2237-2/3
Loading...