Ordering number : EN2257B
Monolithic Linear IC
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.
SANYO: SIP9
Specifications
Maximum Ratings
at Ta=25°C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
V
CC
max
Pd max
Topr
Tstg
Pins 2, 9
Ta≤70°C
Conditions
Ratings
10
440
–20 to +70
–40 to +125
Unit
V
mW
°C
°C
Operating Conditions
at Ta=25°C
Parameter
Recommended supply voltage
Operating voltage range
Symbol
V
CC
V
CC
op
Conditions
Ratings
8
8 to 9
Unit
V
V
Electrical Characteristics
at Ta=25°C, V
CC
=8V, fin=88MHz
Parameter
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
Symbol
I
CCO
V
AGC
-H
V
AGC
-L
V
i AGC
V
IF
-max
V
i lim
VG
V
OSC
V
IN
=65dBµ
No input, 75Ω termination
No input
V
IN
=0dBµ
V
IN
=100dBµ
V
AGC
≤2V,
Pin 3
V
IN
=1.0dBµ
73
108
76
88
80
Conditions
Ratings
min
21
7.7
typ
26
8.0
0.07
80
112
83
92
84
0.3
87
116
90
96
88
max
31
Unit
mA
V
V
dBµ
dBµ
dBµ
dBµ
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
SANYO [ SANYO SEMICON DEVICE ]
