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FX828 データシート(PDF) 30 Page - CML Microcircuits

部品番号 FX828
部品情報  CTCSS/DCS/SELCALL Processor
PDF  34 Pages
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メーカー  CMLMICRO [CML Microcircuits]
ホームページ  http://www.cmlmicro.com
Logo CMLMICRO - CML Microcircuits

FX828 データシート(HTML) 30 Page - CML Microcircuits

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CTCSS/DCS/SELCALL Processor
FX828
© 2009 CML Microsystems Plc
30
D/828/4
Notes
Min.
Typ.
Max.
Units
Transmitter Modulator Drives:
Mod.1 Attenuator
Attenuation (at 0dB)
-0.3
0
0.2
dB
Cumulative Attenuation Error
(wrt attenuation at 0dB)
-1.0
-
1.0
dB
Output Impedance
3
-
600
-
Ω
Input Impedance (at 100Hz)
-
15.0
-
k
Ω
Mod.2 Attenuator
Attenuation (at 0dB)
-0.3
0
0.2
dB
Cumulative Attenuation Error
(wrt attenuation at 0dB)
-0.6
-
0.6
dB
Output Impedance
3
-
600
-
Ω
General Purpose Timer
Timing Period Range
1
-
255
ms
Count Interval
-
1
-
ms
Xtal/Clock Input
Pulse Width ('High' or 'Low')
4
40.0
-
-
ns
Input Impedance (at 100Hz)
10.0
-
-
M
Ω
Gain (I/P = 1mVrms at 100Hz)
20.0
-
-
dB
DAC
Range
1
312.5
-
2500
mV
Step Size
1
-
312.5
-
mV
Step Accuracy
1
-30.0
-
+30.0
mV
Input Impedance (COMPIN)
-
10
-
M
Ω
Output Impedance (COMPOUT)
-
1
-
k
Ω
Notes:
1.
At VDD = 5.0V only. Signal levels or currents are proportional to VDD.
2.
At Tamb = 25°C, not including any current drawn from the device pins by external
circuitry.
3.
Small signal impedance, at VDD = 5.0V and Tamb = 25°C.
4.
Timing for an external input to the XTAL/CLOCK pin.
5.
With input gain components set as recommended in Figure 2.
6.
IRQN pin.
7.
From one tone to another tone.
8.
See filter response (Figure 3).
9.
Measured at MOD1 or MOD2 output.
10. SUBAUDIO, SELCALL and DCS.



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