SP334CT データシートの表示（PDF） - Signal Processing Technologies
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SP334CT Datasheet PDF : 12 Pages
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RECEIVER INPUT GRAPH
RS-485 RECEIVER
+1.0mA
–7V –3V
–0.6mA
+6V +12V
1 Unit Load
Maximum Input Current
versus Voltage
TEST CIRCUITS
A
R
VOD
B
R VOC
Figure 1. Driver DC Test Load Circuit
Receiver
Output
Test Point
1KΩ
S1
VCC
CRL
1KΩ
S2
Figure 2. Receiver Timing Test Load Circuit
CL1
DI
A RL
B
CL2
A
RO
B
15pF
Output
Under
Test CL
500Ω
S1
VCC
S2
Figure 3a. Driver/Receiver Timing Test Circuit
Figure 4. Driver Timing Test Load #2 Circuit
SP334DS/10
Programmable RS-232/RS-485 Transceiver
4
© Copyright 2000 Sipex Corporation
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