SANYO LA4282 Datasheet
Ordering number: EN2683A
Monolithic Linear IC
LA4282
2-Channel 10 W AF Power Amplifier for
Use in Home Stereo, TV Applications
Overview
The LA4282 is an IC which seals a high-output power
amplifier for TVs and monitors in a compact package.
Package Dimensions
unit : mm
3049A-SIP12H
[LA4282]
Features
.
High-power 2-channel AF power amplifier
.
Low distortion
.
Minimum number of external parts required
(no bootstrap capacitor required)
.
Low pop noise at the time of power supply ON/OFF
.
Good ripple rejection (58 dB typ)
.
Wide operating voltage range
.
External muting available
.
On-chip protector against abnormality
(thermal shutdown, overvoltage)
SANYO : SIP12H
Specifications
Maximum Ratings atTa=25°C
Parameter Symbol Conditions Ratings Unit
Maximum supply voltage V
Maximum output current I
Allowable power dissipation Pd max With heat sink 25 W
Operating temperature Topr –20 to +75 °C
Storage temperature Tstg –40 to +150 °C
max Quiescent 45 V
CC
O peak
4A
Operating Conditions at Ta = 25°C
Parameter Symbol Conditions Ratings Unit
Recommended supply voltage V
Recommended load resistance R
CC
V
op 10 to 40 V
CC
L
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
22896HA(II)/7118TA,TS No.2683-1/6
32 V
8 Ω
LA4282
Operating Characteristics at Ta = 25°C, VCC=32V,RL=8Ω,f=1kHz, Rg = 600 Ω,
See Test Circuit.
Parameter Symbol Conditions min typ max Unit
I
(1) Quiescent 30 60 100 mA
Quiescent current
Voltage gain VG 38 40 42 dB
Voltage gain difference ∆VG 1.5 dB
Output power
Total harmonic distortion THD P
Output noise voltage V
Ripple rejection SVRR Rg = 10 kΩ,f
Crosstalk CT Rg = 10 kΩ 45 60 dB
Muting V
Equivalent Circuit Block Diagram and Pin Assignment
CCO
I
(2) Muting switch On 30 56 100 mA
CCO
P
(1) THD = 1% 9.0 10.0 W
O
P
(2) THD = 3% 10.0 11.5 W
O
NO
O(MT)
= 2 W 0.05 0.20 %
O
Rg=10kΩ, BW = 20 Hz to 20 kHz 0.25 1.0 mV
= 100 Hz, VR= 0 dBm 45 58 dB
R
Muting switch On, VIN= –5 dBm –35 dBm
No.2683-2/6
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