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Sanyo Semicon Device |
Ordering number: EN1521D
Monolithic Linear IC
LA1185
FM Front-end for Radio-cassette Recorder, Home
Stereo Applications
Overview
The LA1185 is an FM receiver front-end IC for radio-cassette
recorder, music center applications. Its mixer is of
double-balanced type. The built-in oscillator and buffer
amplifier improves the strong input characteristic.
Package Dimensions
unit : mm
3017C-SIP9
[LA1185]
Use
. FM front-end IC for radio-cassette recorders and music
centers
Functions and Features
. RF amplifier, mixer, local oscillator
. Improvement in cross modulation characteristics due to the
use of double-balanced mixer.
. Improvement in strong input characteristic.
. Minimum number of external parts required.
. Less spurious radiation from local oscillator.
. Operating voltage range : 1.5 to 8.0 V
SANYO : SIP9
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Maximum pin voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
V3-5
V6-5
Pd max
Topr
Tstg
Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Operating voltage range
Symbol
VCC
VCCop
Conditions
Ta % 80°C
Conditions
Ratings
8
12
VCC + 0.8
150
–20 to +80
–40 to +125
Unit
V
V
V
mW
°C
°C
Ratings
4.5
1.5 to 8.0
Unit
V
V
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
81096HA(II)/0067KI/N214MW/4124KI/9283KI,TS No.1521-1/5
LA1185
Operating Characteristics at Ta = 25°C, VCC = 4.5 V, fr = 108 MHz, fOSC = 118.7 MHz,
See specified Test Circuit
Parameter
Current dissipation
Output saturation voltage
Local oscillation voltage
Oscillation stop voltage
Symbol
ICC
Vo
VOSC
Vstop
Quiescent
100 dBµ
VCC = 2 V
Conditions
min typ max Unit
5.5 8.0 mA
95 115 135 mVrms
190 235
mVrms
1.4 1.6 V
Ambient temperature, Ta − °C
Test Circuit and Equivalent Circuit Block Diagram
(Sumida)
(Mitsumi)
(Sumida)
Unit (resistance: Ω, capacitance: F)
No.1521-2/5
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