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SM8220 Datasheet, PDF (5/8 Pages) Nippon Precision Circuits Inc – Calling Number Identification Receiver IC | |||
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AC CHARACTERISTICS
SM8220/SM8221
(VDD= 5.0V, GND= 0V, fCLK= 3.579545MHz, Ta= â20 to 85 ËC, 0dBm= 0.7746Vrms @ 600⦠unless otherwise noted)
Rating
Parameter
Symbol
Condition
MIN
TYP
MAX
Unit
Input Sensitivity
TIP, RING pin
â48
dBm
TIP, RING pin
VDD= 5V
â15
dBm
Input Level
VDD= 3V
â18
Band Pass Filter Frequency Response
60Hz
â80
dB
(relative to 1700 Hz @ â34 dBm
1200 Hz
â1
input level)
2200Hz
0
4000Hz
â43
â¥10000Hz
â54
Carrier Detect ON Sensitivity
CDON
CDET pin
â48
â44
dBm
Carrier Detect OFF Sensitivity
CDOFF
CDET pin
â55
â51
dBm
Oscillator Frequency
fCLK
â0.1% 3.579545 +0.1% MHz
TYPICAL BAND-PASS FILTER FREQUENCY RESPONSE
(Relative to 1700 Hz @ â34 dBm input level)
20
0
-20
-40
-60
-80
-100
0
1000
2000
3000
4000
Frequency (Hz)
SWITCHING CHARACTERISTICS
(VDD= 5.0V, GND= 0V, fCLK= 3.579545MHz, Ta= 25 ËC, CL= 50pF unless otherwise noted)
Rating
Parameter
Power Down Low to
Symbol
tDOSC
Condition
MIN
TYP
MAX
Unit
5
ms
Oscillator Start Up
Power Down Low to
tSUPD
10
ms
FSK Data Detect
Carrier Detect Acquisition Time tDAQ
End of Data to Carrier Detect High tDCH
10
ms
10
ms
NIPPON PRECISION CIRCUITS-5
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