IMP51 1 1/51 1 2
IMP52 8
Application Information
Table 1. Power Up/ Power Down Function Table
DISCONNECT 1
H
H
L
L
Open
DISCONNECT 2
H
L
H
L
Open
Outputs
Enabled
Enabled
Enabled
Disabled/High Impedance
Enabled
Quiescent Current
6mA
6mA
6mA
375
µA
6mA
5218_t04.eps
Typical Characteristics
Figure 4. Receiving Waveform
3.5
Frequency = 1.03844MHz
3.0
2.5
3.0
2.5
3.5
Frequency = 1.00266MHz
Figure 5. Driving Waveform
Line Voltage (V)
2.0
1.5
1.0
0.5
GND
–0.5
Line Voltage (V)
Time (250ns/Div.)
2.0
1.5
1.0
0.5
GND
–0.5
5218_04.eps
Time (250ns/Div.)
5218_05.eps
Receiver
Figure 4
6 Meter, 92Ω
IMP5218
75C08
Driver
Figure 5
IMP5218
75C08
5218_06.eps
Figure 6. End-Driven Cable
© 2000 IMP, Inc.
Data Communications
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