Ordering number: EN 2237B
Monolithic Linear IC
LA4275
6.0 W AF Power Amplifier
for Home Stereo, TV Use
Features
Package Dimensions
unit : mm
.
Small-sized package of 7-pin SIP
.
High power and low distortion
.
.
.
.
.
P
O
= 6.0 W at V
CC
= 25 V, R
L
= 8
鈩?
f = 1 kHz, THD = 1.0%
THD = 0.1% at V
CC
= 25 V, R
L
= 8
鈩?
f = 1 kHz, P
O
= 2 W
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)
3075-SIP7H
[LA4275]
Specifications
Maximum Ratings
at Ta = 25擄C
Parameter
Maximum supply voltage
Maximum output current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
V
CC
max
I
O
peak
Pd max
Topr
Tstg
With heat sink
Quiescent
Conditions
Ratings
35
3.5
10
鈥?0 to +75
鈥?0 to +150
SANYO : SIP7H
Unit
V
A
W
擄C
擄C
Operating Conditions
at Ta = 25擄C
Parameter
Recommended supply voltage
Operating voltage range
Recommended load resistance
Symbol
V
CC
V
CC
op
R
L
Conditions
Ratings
25
10 to 32
8 to 16
Unit
V
V
鈩?/div>
Operating Characteristics
at Ta = 25擄C, V
CC
= 25 V, R
L
= 8
鈩?
f = 1 kHz, Rg = 600
鈩?
See specified Test Circuit.
Parameter
Quiescent current
Voltage gain
Output power
Total harmonic distortion
Output noise voltage
Ripple rejection
Symbol
I
CCO
VG
P
O
THD
V
NO
SVRR
Conditions
Quiescent
THD = 1%
P
O
= 2 W
Rg = 10 k鈩? BW = 20 Hz to 20 kHz
Rg = 10 k鈩? f
R
= 100 Hz, V
R
= 0 dBm
38
5.0
min
typ
30
40
6.0
0.1
0.25
55
max
60
42
0.8
1.0
Unit
mA
dB
W
%
mV
dB
45
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
O3096HA(II)/D228YT/8016KI/O155KI,TS No.2237-1/2
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