SM8222A 데이터 시트보기 (PDF) - Nippon Precision Circuits
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SM8222A Datasheet PDF : 15 Pages
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PACKAGE DIMENSIONS
(Unit: mm)
24-pin SOP
SM8222A/B
24-pin DIP
30.20
+
−
0.20
0.30
15.24
+
−
0.25
0.20
1.27
0.10
0.45 0.10 0.13 M
0.15 +−00..0052
0.50 0.20
+ 0.50
1.50− 0
2.54
0.45 0.08
BLOCK DIAGRAM
TIP
RING
GS
Amplifier
CAP
AGND
Filter
Bias
Generator
Oscillator
FSKEN MODE
Filter
FSK
Demodulator
Carrier
Detector
Filter
(2130Hz)
Filter
(2750Hz)
Data
Detector
(2130Hz)
Level
Detector
Data
Detector
(2750Hz)
Level
Detector
Data Timing
Control
Interrupt
Generator
DOUT
DCLK
DR
CDET
INT
Guard Time
Control
STD
STGT
EST
OSCIN OSCOUT RDIN
RDRC
RDET
PDWN VDD GND
NIPPON PRECISION CIRCUITS—2
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