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LA1231 Datasheet(PDF) 3 Page - Sanyo Semicon Device

Part # LA1231
Description  FM IF System
PDF  8 Pages
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LA1231 Datasheet(HTML) 3 Page - Sanyo Semicon Device

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LA1231N
No.660-3/8
Recommended Operating Conditions at Ta=25°C
Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage
VCC
12
V
Operating Characteristics at Ta=25°C, VCC=12V, f=10.7MHz
Parameter
Symbol
Conditions
Ratings
min
typ
max
Unit
Quiescent current
ICCO
22
30
mA
Current drain
ICC
VIN=100dBµ
26.5
33
mA
Demodulated output
Vo
VIN=100dBµ, 400Hz-100% mod
240
330
460
mVrms
S/N
VIN=100dBµ, 400Hz-100% mod
72
78.5
dB
Input limiting voltage
VIN(lim)
Vo 3dB down, 400Hz-100% mod
25
31
dBµ
Total harmonic distortion
THD
VIN=100dBµ, 400Hz-100% mod
0.05
0.3
%
Muting sensitivity
VIN(mute)
V12=1.4V
23
29
35
dBµ
Muting attenuation
Mute(att)
V5=2V, VIN=100dBµ,
60
65
dB
400Hz-100% mod
Muting bandwidth
BW(mute) VIN=100dBµ, V12=1.4V
140
220
370
kHz
AM rejection ratio
AMR
VIN=100dBµ, FM : 400Hz-100% mod
45
60
dB
AM : 1kHz-30% mod
Muting driving output
V12
Quiescent
4.0
4.9
6.0
V
VIN=100dBµ
0
0
0.3
V
Signal meter driving output
V13
Quiescent
0
0
0.1
V
VIN=70dBµ
1.9
3.0
4.2
V
VIN=100dBµ
4.5
5.5
V
AGC output
V15
Quiescent
4.2
5.0
5.5
V
VIN=100dBµ
0
0
0.5
V
IF off current
I15(off)
Quiescent, V8-10≤20mV
10
35
60
µA
Voltage of muting operation
V16(mute) VIN=100dBµ, V12=1.4V
0.7
0.84
1.0
V
Offset voltage
V6-10 B
Quiescent, pin 6-10
–0.5
0
+0.5
V
V7-10 B
Quiescent, pin 7-10, R7-10=5.1kΩ
–0.25
0
+0.25
V
Pin voltage
V1
Quiescent
2.6
V
V2
Quiescent
2.6
V
V3
Quiescent
2.6
V
V6
Quiescent
5.6
V
V7
Quiescent
5.6
V
V8
Quiescent
5.4
V
V10
Quiescent
5.6
V
V12
Quiescent
4.9
V
V13
Quiescent
0
V
V15
Quiescent
5.0
V



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