LA1177 Datasheet, PDF (1/8 Pages) Sanyo Semicon Device – Electronic Tuning-Use FM Front End for Car Radio, Home Stereos

Ordering number : EN2257B
Monolithic Linear IC
LA1177
Electronic Tuning-Use FM Front End
for Car Radio, Home Stereos
Overview
• The LA1177 is an FM front end IC for use in car radio,
home stereo applications. It requires fewer external parts.
The on-chip oscillator and oscillation buffer facilitate
designing of electronic tuning sets.
Package Dimensions
unit: mm
3017C-SIP9
[LA1177]
Features
• Wide-band AGC circuit (Improvement in intermodu-
lation, cross modulation characteristics).
• On-chip local oscillation buffer (For electronic tuning).
Functions
• Oscillator, oscillation buffer.
• Mixer.
• Wide-band AGC circuit.
• IF amplifier.
Specifications
Maximum Ratings at Ta=25°C
Parameter
Symbol
Maximum supply voltage
V_CC max
Allowable power dissipation
Pd max
Operating temperature
Topr
Storage temperature
Tstg
Conditions
Pins 2, 9
Ta≤70°C
SANYO: SIP9
Ratings
Unit
10
V
440 mW
–20 to +70
°C
–40 to +125
°C
Operating Conditions at Ta=25°C
Parameter
Symbol
Recommended supply voltage V_CC
Operating voltage range
V_CC op
Conditions
Ratings
Unit
8
V
8 to 9
V
Electrical Characteristics at Ta=25°C, V_CC=8V, fin=88MHz
Parameter
Symbol
Conditions
Ratings
Unit
min typ max
Quiescent current
AGC high-level voltage
AGC low-level voltage
AGC mixer input voltage
IF saturation output voltage
Input limiting voltage
Voltage gain
Local OSC output voltage
I_CCO
V_AGC-H
V_AGC-L
V_{i AGC}
V_IF-max
V_{i lim}
VG
V_OSC
No input
V_IN=0dBµ
V_IN=100dBµ
V_AGC≤2V, Pin 3
V_IN=1.0dBµ
V_IN=65dBµ
No input, 75Ω termination
21
26
7.7 8.0
0.07
73
80
108 112
76
83
88
92
80
84
31 mA
V
0.3 V
87 dBµ
116 dBµ
90 dBµ
96 dBµ
88 dBµ
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
93097HA (KT)/3079TA/1268KI/8016KI, TS No.2257-1/8