
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.
Monolithic Linear IC
FSK Receiver for CATV Use
Ordering number:ENN2208A
LA7770
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
13101TN (KT)/O0695TH (KOTO)/D088MO/O127TA, TS No.2208–1/7
1
10
20
11
0.5
(3.25)
3.3
3.9max
24.0
(0.57)
2.54
1.2
0.25
7.62
6.4
0.51min
1.0
Package Dimensions
unit:mm
3021C-DIP20
[LA7770]
SANYO : DIP20
Overview
The LA7770 is a CATV-oriented wide-band FSK (fre-
quency shift keying) receiver IC encapsulated in a DIP20S
package that incorporates the functions required to demodu-
late scramble decoding data (i. e., the oscillator, mixer, lim-
iting IF amplifier, squelcher, and data shaper functions).
Features
High limiting sensitivity.
Incorporating a common-collector oscillator enables LC,
crystal, or SAW-R (surface acoustic wave resonator) op-
erated oscillations, as required by application.
Functions
Mixer.
Limiting IF amplifier.
Squelch meter drive.
Oscillator.
Quadrature detector.
Data shaper.
Specifications
Maximum Ratings at Ta = 25C
C
Ta
≤65C
Operating Conditions at Ta = 25C
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