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參數(shù)資料
| 型號： | SM8224 |
| 廠商： | Seiko NPC Corporation |
| 英文描述： | Dual-Tone Receiver IC |
| 中文描述： | 雙音接收芯片 |
| 文件頁數(shù)： | 6/11頁 |
| 文件大小： | 108K |
| 代理商： | SM8224 |
SM8224B
NIPPON PRECISION CIRCUITS—6
AC Electrical Characteristics
Measurement conditions: R1 = 430k
, R2 = 34k
, R3 = 390k
, C1= 0.22
μ
F
FSK decoder
V
DD
= 5.0V ± 0.5V, GND = 0V, f
CLK
= 3.579545MHz, T
a
=
20 to 85
°
C unless otherwise noted.
Dual tone detector
V
DD
= 5.0V ± 0.5V, GND = 0V, f
CLK
= 3.579545MHz, T
a
=
20 to 85
°
C unless otherwise noted.
Note: (S0, S1, MODE) = (V
DD
, 0V, 0V)
Input-stage amplifier Characteristics
V
DD
= 5.0V ± 0.5V, GND = 0V, f
CLK
= 3.579545MHz, T
a
=
20 to 85
°
C unless otherwise noted.
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
Input sensitivity
–
43
CD
ON
dBm
S/N ratio
1
1. Mark signal and SPACE signal are same level.
Noise: Random noise from 200Hz to 3400Hz.
FSKSNR
20
–
–
dB
Carrier detection sensitivity
CD
ON
–
43
37.78
dBm
Carrier non-detection sensitivity
CD
OFF
50
46
–
dBm
Oscillator frequency
f
CLK
typ
0.1%
3.579545
typ + 0.1%
MHz
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
Frequency (low frequency)
f
L
–
2130
–
Hz
Frequency (high frequency)
f
H
–
2750
–
Hz
Detection frequency deviation
1.1
–
–
%
Non-detection frequency deviation
3.5
–
–
%
Detection sensitivity
37.78
–
–
dBm
Non-detection sensitivity
–
–
43.78
dBm
Signal level deviation
–
–
6
dB
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
Input leakage current
I
IN
–
–
1
μA
DC open-loop voltage gain
G
OL
30
–
–
dB
Unity gain frequency
f
C
80
–
–
kHz
Load capacitance
C
L
–
–
100
pF
Load resistance
R
L
50
–
–
k
相關PDF資料 |
PDF描述 |
|---|---|
| SM8224B | Dual-Tone Receiver IC |
| SM8224BM | Dual-Tone Receiver IC |
| SM8224BS | Dual-Tone Receiver IC |
| SM8230A | Tone Dialer with Built-in Piezo Driver |
| SM8530B | Standard Bus Interface Decoder |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SM8224B | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Dual-Tone Receiver IC |
| SM8224BM | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Dual-Tone Receiver IC |
| SM8224BS | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Dual-Tone Receiver IC |
| SM8224C | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Dual-Tone Receiver IC |
| SM8224CM | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Dual-Tone Receiver IC |
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