LA4278 Datasheet, PDF (1/6 Pages) Sanyo Semicon Device – 10 W 2-Channel Power Amplifier

Ordering number: ENN7096
Monolithic Linear IC
LA4278
10 W 2-Channel Power Amplifier
Overview
The LA4278 is a 10 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
3024A-SIP10H
[LA4278]
Features
• Television audio output.
• Pin compatible with the LA4266 (3 W)/LA4267 (5 W)/
4268 (10 W) and the LA4276 (3 W × 2)/4277(5 W × 2).
• Package: SIP-10H (2.54 mm pitch, straight pins).
• Thermal protection circuit and overvoltage protection
circuit on chip.
• Output power: 10 W × 2(VCC = 28 V/RL = 8 Ω).
27.0
4.0
20.0
1
10
1.4
0.5 2.54
2.07 0.4
2.0
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Maximum output current
Allowable power dissipation
Thermal resistance
Operating temperature
Storage temperature
Symbol
VCC
IO peak
Pd max
θ j-c
Topr
Tstg
Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Load resistance
Operating supply voltage range
Symbol
VCC
RL
VCC op
Rg = 0
Per channel
Infinite heat sink
Conditions
Conditions
Range does not exceed Pd
SANYO: SIP10H
Ratings
35
2.5
25.0
3.0
–20 to +75
–40 to +150
Unit
V
A
W
°C/W
°C
°C
Ratings
Unit
28
V
8
Ω
10 to 34
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’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.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
41202RM (II) No. 7096-1/6