
92706 / 12506 MS OT B8-7964 No.A0227-1/4
LA2120M
Overview
The LA2120M is a car radio FM noise canceller that provides functions for effectively excluding impulse-type external
noise, such as engine noise. This circuit is used between the FM detector and the stereo demodulator.
Functions
Built-in high-pass filter for noise detection.
Delay circuit.
Pilot canceller.
Noise AGC.
Comparator for multipath detection.
Specifications
Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
15
V
Comparator output applied voltage
V16
VCC
V
Comparator output
I16
10
mA
Allowable power dissipation
Pd max
Ta = 85
°C *
220
mW
Operating temperature
Topr
-40 to +85
°C
Storage temperature
Tstg
-40 to +150
°C
*: Mounted on a 194×50×1.7mm
3 glass epoxy circuit board
Operating Conditions at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
8.5
V
Operating supply voltage range
VCC op
8.0 to 10
V
Ordering number : ENA0227
Monolithic Linear IC
FM Noise Canceller
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 using any 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.