MX165CTN Просмотр технического описания (PDF) - MX-COM Inc
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MX165CTN Datasheet PDF : 15 Pages
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Low Voltage CTCSS Encoder/Decoder
12
MX165C
Operating Characteristics
For the following conditions unless otherwise specified
VDD = 3.3V / 5.0V at TAMB = 25°C, VSS = 0V,
Xtal Frequency = 1.0 MHz, 100ppm max.
(Over the life of the Xtal the operating range may vary from 100ppm up to 1000ppm)
0dB ref. = 750mVRMS (proportional to VDD; see note 17)
Composite Signal:
1kHz test tone = 300mVRMS, f0 CTCSS tone = 30 mVRMS, 75mVRMS Noise (band limited to 6kHz Gaussian)
Static Values
Supply voltage
Supply current
VDD = 5.0V
VDD = 3.3V
Rx Monitor
Analog input impedance
Analog output impedance
Digital Input impedance
Input logic 1
Input logic 0
Output Logic 1 source = 0.1mA
Output Logic 0 sink = 0.1mA
Dynamic Values
Speech filter
Total harmonic distortion
Output noise level
(input ac short circuit, audio switch enabled)
Sinad
Spurious emissions
Cutoff frequency
Bandpass ripple
Stopband attenuation <250Hz
Passband gain 1kHz
TX/RX isolation
Encoder
Tone output level
Tone Frequency Accuracy (f error)
Risetime to 90% nominal output
f0>100Hz
f0<100Hz
Total Harmonic Distortion
Notes
18
18
1,18
1
1
2
2
Min.
Typ.
Max. Units
2.7
3.3/5.0
5.5
V
480
25
70%VDD
80%VDD
3.2
4.2
mA
1.1
1.6
mA
2.0
mA
550
kΩ
400
1000
Ω
40
kΩ
V
30%VDD
V
V
20%VDD
V
5,8,19
8,18
0.7
1.5
%
0.5
1.0
mVRMS
8,9
40
50
dB
18
- 48
dB
300
Hz
8
1
1.8
dB
7,8,19
33
36
dB
- 0.5
0
0.5
dB
5
60
dB
12
-1.0
0
1.0
dB
- 0.3
0.3
%f0
4,10
15
75
ms
4,10
45
120
ms
19
1.5
2
%
© 1997 MX•COM Inc.
www.mxcom.com Tele: 800 638-5577 910 744-5050 Fax: 910 744-5054
Doc. # 20480102.008
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA All trademarks and service marks are held by their respective companies.
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