LA4227 Datasheet, PDF (1/4 Pages) Sanyo Semicon Device – Audio Output for Radio Cassette Recorders 3W × 2ch Power Amplifier

Ordering number : ENA5718
LA4227
Monolithic Linear IC
Audio Output for Radio Cassette Recorders
3W × 2ch Power Amplifier
Overview
LA4227 is a 3W 2-channel power amplifier.
This IC requires few external components and is ideal for power amplifier used for radio cassette players/recorders.
Functions
• 3W × 2 channel (VCC = 9V, RL = 3Ω)
• Standby switch on chip
• Thermal shutdown protector on chip
Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
Pd max
Topr
Tstg
Conditions
Rg = 0 (No signal)
Arbitrarily large heat sink
Ratings
Unit
20
V
4.0
W
-20 to +75
°C
-55 to +150
°C
Operating Conditions at Ta=25°C
Parameter
Recommended supply voltage
Operating voltage range
Operating load resistance range
Symbol
VCC
VCC op
RL op
Conditions
Not exceeding the maximum ratings
Bridge
Ratings
unit
9
V
4.2 to 18
V
3 to 8
Ω
8
Ω
Any and all SANYO Semiconductor 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 Semiconductor representative
nearest you before usingany SANYO Semiconductor products described or contained herein in such
applications.
SANYO Semiconductor 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 Semiconductor
products described or contained herein.
83006 / 42706 MS JK B8-7553, B8-4892, B8-3581 No.A5718-1/4