Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer
's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer
'sproductsor
equipment.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
82708 MS JK/41202RM (II) No.7096-1/6
LA4278
Overview
The LA4278 is a 10W 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 board.
Features
Television audio output.
Pin compatible with the LA4266 (3W)/LA4267 (5W)/4268 (10W) and the LA4276 (3W×2)/4277 (5W×2).
Package : SIP-10H (2.54mm pitch, straight pins).
Thermal protection circuit and overvoltage protection circuit on chip.
Output power : 10W×2 (VCC = 28V/RL = 8Ω).
Specifications
Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC
Rg = 0
35
V
Maximum output current
IO peak
Per channel
2.5
A
Allowable power dissipation
Pd max
Infinite heat sink
25.0
W
Thermal resistance
θ j-c
3.0
°C/W
Operating temperature
Topr
20 to +75
°C
Storage temperature
Tstg
40 to +150
°C
Monolithic Linear IC
10W 2-Channel Power Amplifier
Ordering number : EN7096A