cf8224c Nippon Precision Circuits Inc, (NPC), cf8224c Datasheet - Page 6

• Manufacturer Part Number: cf8224c
• Description: Dual-tone Receiver Ic
• Manufacturer: Nippon Precision Circuits Inc, (NPC)

AC Electrical Characteristics
Measurement conditions: R1 = 430k Ω , R2 = 34k Ω , R3 = 390k Ω , C1= 0.22 µ F
FSK decoder
V
1. Mark signal and SPACE signal are same level.
Dual tone detector
V
Note: (S0, S1, MODE) = (V
Input-stage amplifier Characteristics
V
Input sensitivity
S/N ratio
Carrier detection sensitivity
Carrier non-detection sensitivity
Oscillator frequency
Frequency (low frequency)
Frequency (high frequency)
Detection frequency deviation
Non-detection frequency deviation
Detection sensitivity
Non-detection sensitivity
Signal level deviation
Input leakage current
DC open-loop voltage gain
Unity gain frequency
Load capacitance
Load resistance
DD
DD
DD
Noise: Random noise from 200Hz to 3400Hz.
= 2.7 to 5.5V, GND = 0V, f
= 2.7 to 5.5V, GND = 0V, f
= 2.7 to 5.5V, GND = 0V, f
1
Parameter
Parameter
Parameter
DD
, 0V, 0V)
CLK
CLK
CLK
FSKSNR
Symbol
Symbol
Symbol
CD
CD
f
G
CLK
C
R
I
f
f
f
IN
H
OL
C
OFF
L
= 3.579545MHz, Ta = − 20 to 85 ° C unless otherwise noted.
ON
= 3.579545MHz, Ta = − 20 to 85 ° C unless otherwise noted.
= 3.579545MHz, Ta = − 20 to 85 ° C unless otherwise noted.
L
L
SM8224C
Condition
Condition
Condition
typ − 0.1%
− 37.78
min
− 50
min
min
1.1
3.5
20
30
80
50
–
–
–
–
–
–
–
–
3.579545
Rating
Rating
Rating
SEIKO NPC CORPORATION —6
2130
2750
− 43
− 43
− 46
typ
typ
typ
–
–
–
–
–
–
–
–
–
–
–
typ + 0.1%
− 37.78
− 43.78
CD
max
max
max
100
–
–
–
–
–
–
–
6
1
–
–
–
ON
Unit
dBm
dBm
dBm
MHz
Unit
dBm
dBm
Unit
kHz
k Ω
dB
Hz
Hz
dB
µA
dB
pF
%
%