MAX14770EGSA-T_15 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX14770EGSA-T_15 Datasheet PDF : 16 Pages
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MAX14770E
±35kV High-ESD Profibus RS-485 Transceiver
A
VOD
B
RL
2
RL
2
VOC
Figure 1. Driver DC Test Load
VCC
DE
DI
A
B
VCC
DE
DI
VCC
A
B
195I
110I VOD
195I
Figure 2. VODPP Swing Under Profibus Equivalent Load Test
VID
RL
CL
Figure 3. Driver Timing Test Circuit
VCC
DI
1.5V
0
B
A
VO
VO
VDIFF 0
-VO
1/2 VO
20%
tLH
f = 1MHz, tLH P 3ns, tHL P 3ns
1.5V
tDPLH
tDPHL
VDIFF = VA - VB
80%
80%
tHL
tDSKEW = |tDPLH - tDPHL|
Figure 4. Driver Propagation Delays
6
1/2 VO
20%
Maxim Integrated
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