XE0055CS2(1997) Просмотр технического описания (PDF) - Xecom
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XE0055CS2 Datasheet PDF : 7 Pages
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Electrical Specification (Vcc=+3v ±10%, Ta=0 to 70 deg C)
Parameter
Conditions
Min Typ Max
Power Supply Current Off Hook, 5.0 Volts
Transmit Insertion loss 600 Ohm Impedence, 1000 Hz
Receive Insertion loss 600 Ohm Impedance, 1000 Hz
Line Impedance
At 1000 Hz, Rm 340 ohms
Coupler Match
input impedence
Input impedence to T1 & T2
Ring Detect
Min. AC voltage between Tip &
Sensitivity (on-hook) Ring Type B ringer
Ring Detect
Peak Current
Ringing voltage of 40 Vrms
applied between Tip & Ring
Ring Detect
Idle Current
No Ringing Voltage present
Ring Indicate Output Ring Voltage present on Tip
Voltage
& Ring
Loop Current Switch ON: (off-hook)
Control Voltage
OFF: (on-hook)
Loop Current Switch
Control Current
Loop Current
Off-Hook current draw from
Telephone Line
Total Harmonic
Distortion
At 1800 Hz, -9 dBm signal level
Connect Detect
Threshold Voltage
10 15
1.7 2.7 3.7
1.7 2.7 3.7
540 600 660
386 390 394
38
150
100
10
0.2 0.5
2.0 3.0
0.2 0.5
15 25
20
100
-72 -76
15
20
Units
mA
dB
dB
Ohms
Ohms
Vrms
uA
uA
Volts
Volts
Volts
mA
mA
dBm
Volts
XE0055CS2
XECOM/4
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