MX375LH Ver la hoja de datos (PDF) - MX-COM Inc
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MX375LH Datasheet PDF : 15 Pages
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PvtSQUELCHTM CTCSS Encoder/Decoder
10
MX375
Operating Limits
Correct operation of the device outside these limits is not implied.
Supply (VDD-VSS)
Operating Temperature
Xtal/Clock Frequency
Notes
Min.
4.5
-40
Typ.
5.0
4.0
Table 7: Operating Limits
Max.
5.5
85
Units
V
°C
MHz
Operating Characteristics
For the following conditions unless otherwise specified:
VDD = 5.0V, TAMB = 25°C, XTAL = 4.0MHz, Audio level )dB ref. = 300mVRMS, Composite input signal = 0dB,
1 kHz tone in, -12dB (6kHz band limited) Gaussian white noise with a -20dB CTCSS tone.
Static Values
Supply Voltage
Supply Current
TX (Private)
TX (Operating)
RX (Operating)
Analog Input Impedance
Analog Output Impedance
Tone Input Impedance
Input Logic “1”
Input Logic “0”
Output Logic “1” (I=-0.1mA)
Output Logic “0” (I=-0.1mA)
Dynamic Values
Decoder
Input Signal Level
Response Time
Deresponse Time
Selectivity
Encoder
Tone Output Level (775mVRMS ref.)
Tone Frequency Accuracy
Tone Harmonic Distortion
Tone Output Load Current
Output Level Variation between Tones
Risetime (to 90% nominal level)
(f0>100 Hz)
(f0<100 Hz)
Notes Min.
4.5
3.5
4.0
Typ.
Max
5.0
5.5
15.0
12.0
7.0
0.5
0.5
0.5
1.5
1.0
Units
V
mA
mA
mA
MΩ
kΩ
MΩ
V
V
V
V
1,4
-20
1,4,6
1,4,6
4
±0.5
dB
250
ms
250
ms
±3.0
%f0
-3.0
0
3.0
dB
-0.3
0.3
%f0
2.0
5.0
%
2
5.0
mA
9
-1.0
1.0
dB
5
15
ms
5
45
ms
© 1997 MX•COM Inc.
www.mxcom.com Tele: 800 638-5577 910 744-5050 Fax: 910 744-5054
Doc. # 20480026.007
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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