MAX3030E Datasheet

  • MAX3030E

  • "?5kV ESD-Protected, 3.3V , 20Mbps Quad RS-422 Transmitters"

  • 326.23KB

  • Maxim

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卤15kV ESD-Protected, 3.3V Quad
RS-422 Transmitters
Test Circuits and Timing Diagrams
C
L
DI_+
R
L
2
V
OD
R
L
2
DI_-
C
L
DO_-
V
OC
DI_
V
OD
R
L
C
L
DO_+
MAX3030E鈥揗AX3033E
Figure 1. Differential Driver DC Test Circuit
Figure 2. Differential Driver Propagation Delay and Transition
Time Test Circuit
3V
DI
0V
1.5V
t
DPLH
t
DPHL
1.5V
1/2 V
O
R
L
C
L
1/2 V
O
V
DIFF
V
O
0V
-V
O
V
DIFF
= V (DO_+) - V (DO_-)
10%
t
R
90%
t
F
t
SKEW
= |t
DPLH
- t
DPHL
|
90%
10%
S2
ENABLE SIGNAL IS ONE OF THE POSSIBLE
ENABLE CONFIGURATIONS (SEE TRUTH TABLE).
S1
V
CC
DO_-
V
O
DO_+
OUTPUT
UNDER TEST
Figure 3. Differential Driver Propagation Delay and Transition
Waveform
Figure 4. Driver Enable/Disable Delays Test Circuit
3V
EN
0V
t
DZL
V
OL
V
OH
1.5V
0V
t
DZH
ENABLE SIGNAL IS ONE OF THE POSSIBLE
ENABLE CONFIGURATIONS (SEE TRUTH TABLE).
t
DHZ
t
DLZ
V
OL
+ 0.3V
V
CC
DI
GND
OUTPUT NORMALLY HIGH
V
OH
- 0.3V
DO_-
DO_+
A
A
1.5V
1.5V
1.5V OUTPUT NORMALLY LOW
Figure 5. Driver Enable/Disable Waveform
Figure 6. Short-Circuit Measurements
7
_______________________________________________________________________________________

MAX3030E PDF文件相关型号

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