SM8222 Nippon Precision Circuits Inc, SM8222 Datasheet - Page 6

• Manufacturer Part Number: SM8222
• Description: Caller ID Service IC with Call Waiting
• Manufacturer: Nippon Precision Circuits Inc

AC Electrical Characteristics
FSK decoder
V
V
Input sensitivity
Bandpass filter frequency response
(relative gain for 1700 Hz sine wave
input)
Carrier detect sensitivity
No-carrier detect sensitivity
Oscillator frequency
Input sensitivity
Bandpass filter frequency response
(relative gain for 1700 Hz sine wave
input)
Carrier detect sensitivity
No-carrier detect sensitivity
Oscillator frequency
DD
DD
SM8222A
SM8222B
= 3.0 ± 0.3 V, GND = 0 V, f
= 5.0 ± 0.5 V, GND = 0 V, f
P arameter
P arameter
CLK
CLK
S y m b o l
S y m b o l
CD
CD
CD
CD
f
f
CLK
CLK
OFF
OFF
ON
ON
= 3.579545 MHz, T
= 3.579545 MHz, T
60 Hz
1200 Hz
2200 Hz
4000 Hz
60 Hz
1200 Hz
2200 Hz
4000 Hz
10,000 Hz
10,000 Hz
SM8222A/B
Condition
Condition
a
a
= 20 to 85 C
= 20 to 85 C
m i n
m i n
0.1%
0.1%
–
–
–
–
–
–
–
55
–
–
–
–
–
–
–
55
NIPPON PRECISION CIRCUITS—6
3.579545
3.579545
Rating
Rating
typ
typ
48
80
0
43
54
48
51
48
80
0
43
54
48
51
1
1
+0.1%
+0.1%
CD
CD
m a x
m a x
–
–
–
–
–
44
–
–
–
–
–
–
44
–
ON
ON
dBm
dBm
dBm
MHz
dBm
dBm
dBm
MHz
Unit
Unit
dB
dB