LA1225M 查看數據表（PDF） - SANYO -> Panasonic
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LA1225M Datasheet PDF : 8 Pages
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LA1225M
Operating Characteristics at Ta = 25°C, VCC = 3.0 V, fc = 10.7 MHz
Parameter
Current drain
Demodulator output
Total harmonic distortion
Signal-to-noise ratio
3 dB sensitivity
SD sensitivity
IF counter buffer output
Symbol
Conditions
ICCO
VO
THD
No input
100 dBµ, 100% mod., fm = 1 kHz
100 dBµ, 100% mod., fm = 1 kHz
S/N 100 dBµ, 100% mod., fm = 1 kHz
100 dBµ, 100% mod.,
–3 dBL.S fm = 1 kHz output reference, when the input is –3 dB
SDON
VIFBuff
0% mod.
100 dBµ
Pin Functions and No-Signal Voltage at VCC = 3.0 V
Pin No.
Function
Notes
No-signal voltage (V)
Input impedance
1
IF input
1.2
RIN = 330 Ω
min
3.0
70
65
19
35
90
Ratings
typ
4.0
150
0.5
73
28
50
130
Unit
max
5.0 mA
220 mV
0.8
%
dB
37 dBµ
65 dBµ
170 mV
Equivalent circuit
1
RIN
2
A11506
2
Reg
Vreg = 1.2 V
1.2
3
GND
0
Open collector output
4
S-meter output
The SD sensitivity can be adjusted
0.1
with an external resistor
connected to this pin.
5
VCC
3.0
Output impedance
6
Demodulated output
1.5
ROUT = 3 kΩ
2
A11507
4
A11508
ROUT
6
A11509
Continued on next page.
No. 6017-2/8
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