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PDF LA1225MC Data sheet ( Hoja de datos )

Número de pieza LA1225MC
Descripción FM IF Detector IC
Fabricantes ON Semiconductor 
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No Preview Available ! LA1225MC Hoja de datos, Descripción, Manual

Ordering number : ENA2052
LA1225MC
Monolithic Linear IC
FM IF Detector IC
http://onsemi.com
Overview
The LA1225MC is a Low-voltage operation (1.8V or higher) FM IF detector IC for the electronic tuning system.
Features
Low-voltage operation (1.8V or higher)
Supports electronic tuning systems (provides built-in SD output and IF count output functions)
FM detector circuit accepts an even wider input frequency range. (Supports the use of an external phase capacitor.)
Miniature package: SOIC10
Functions
IF amplifier
Quadrature detector
Signal meter
SD
IF buffer
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
Maximum supply voltage
Allowable power dissipation
VCC max
Pd max
Operating temperature
Topr
Storage temperature
Tstg
Ta 85°C
Conditions
Ratings
9.0
100
-20 to +85
-55 to +150
Unit
V
mW
°C
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
Operating Conditions at Ta = 25°C
Parameter
Symbol
Recommended supply voltage
Operating supply voltage range
VCC
VCC op
Conditions
Ratings
3.0
1.8 to 8.0
Unit
V
V
Semiconductor Components Industries, LLC, 2013
May, 2013
41812 SY 20120411-S00004 No.A2052-1/8

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LA1225MC pdf
Continued from preceding page.
Pin No.
8
Function
Limiter amplifier output
No-signal
voltage (V)
2.8
LA1225MC
Equivalent circuit
Notes
Pin 8 and pin 7 (DET) are connected through
a capacitor.
9 IF buffer
(Also used for control SW)
0
The IF buffer output is turned on when the
voltage applied to the pin is the
recommended 1.5V or higher.
10 SD
1.6
This is an active-low output.
This is an open-collector output and can
directly drive an LED. (ICmax = 20mA)
No.A2052-5/8

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