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SM8222AS Datasheet(PDF) 7 Page - Nippon Precision Circuits Inc

Part # SM8222AS
Description  Caller ID Service IC with Call Waiting
PDF  15 Pages
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Manufacturer  NPC [Nippon Precision Circuits Inc]
Direct Link  http://www.npc.co.jp/en
Logo NPC - Nippon Precision Circuits Inc

SM8222AS Datasheet(HTML) 7 Page - Nippon Precision Circuits Inc

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SM8222A/B
NIPPON PRECISION CIRCUITS—7
Dual tone detector
s
SM8222A
VDD = 3.0 ± 0.3 V, GND = 0 V, fCLK = 3.579545 MHz, Ta = −20 to 85 °C
s
SM8222B
VDD = 5.0 ± 0.5 V, GND = 0 V, fCLK = 3.579545 MHz, Ta = −20 to 85 °C
P arameter
Symbol
Condition
Rating
Unit
min
typ
m a x
Low tone frequency
fL
–
2130
–
Hz
High tone frequency
fH
–
2750
–
Hz
Detection frequency deviation
1.1
–
–
%
No-detection frequency deviation
3.5
–
–
%
Detection sensitivity
−37.78
–
–
dBm
No-detection sensitivity
–
–
−43.78
dBm
Signal level difference
–
–
6
dB
P arameter
Symbol
Condition
Rating
Unit
min
typ
m a x
Low tone frequency
fL
–
2130
–
Hz
High tone frequency
fH
–
2750
–
Hz
Detection frequency deviation
1.1
–
–
%
No-detection frequency deviation
3.5
–
–
%
Detection sensitivity
−37.78
–
–
dBm
No-detection sensitivity
–
–
−43.78
dBm
Signal level difference
–
–
6
dB



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