SM8222 Nippon Precision Circuits Inc, SM8222 Datasheet - Page 7

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

Dual tone detector
V
V
Low tone frequency
High tone frequency
Detection frequency deviation
No-detection frequency deviation
Detection sensitivity
No-detection sensitivity
Signal level difference
Low tone frequency
High tone frequency
Detection frequency deviation
No-detection frequency deviation
Detection sensitivity
No-detection sensitivity
Signal level difference
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
f
f
f
f
H
H
L
L
= 3.579545 MHz, T
= 3.579545 MHz, T
SM8222A/B
Condition
Condition
a
a
= 20 to 85 C
= 20 to 85 C
m i n
37.78
m i n
37.78
1.1
3.5
1.1
3.5
–
–
–
–
–
–
–
–
NIPPON PRECISION CIRCUITS—7
Rating
Rating
2130
2750
2130
2750
typ
typ
–
–
–
–
–
–
–
–
–
–
m a x
m a x
43.78
43.78
–
–
–
–
–
6
–
–
–
–
–
6
dBm
dBm
dBm
dBm
Unit
Unit
Hz
Hz
dB
Hz
Hz
dB
%
%
%
%