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MAX13413EESA Datasheet, PDF (11/24 Pages) Maxim Integrated Products – RS-485 Transceiver with Integrated Low-Dropout Regulator and AutoDirection Control
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RS-485 Transceiver with Integrated Low-Dropout
Regulator and AutoDirection Control
Test Circuits and Waveforms
A
VOD
CL
B
Figure 1. Driver DC Test Load
RDIFF / 2
RDIFF / 2 VOC
5V
DE
A
DI
VID
RDIFF
CL
B
DI
A
VID
B
RL
VREG
GND
CL
RL
Figure 2a. Driver-Timing Test Circuit
Figure 2b. Driver-Timing Test Circuit
5V
DI
0
B
A
VO
VO
VDIFF 0
-VO
1/2 VO
10%
tLH
Figure 3a. Driver Propagation Delays
f = 1MHz, tLH ≤ 3ns, tHL ≤ 3ns
1.5V
1.5V
tDPLH
tDPHL
VDIFF = VA - VB
90%
90%
tHL
tDSKEW = |tDPLH - tDPHL|
1/2 VO
10%
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