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参数资料
| 型号： | ADM14185E |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | RS-232 Line Drivers/Receivers(±15kV ESD保护,RS-232线驱动器/接收器) |
| 中文描述： | RS - 232线驱动器/接收器（± 15kV的ESD保护和RS - 232线驱动器/接收器） |
| 文件页数： | 5/13页 |
| 文件大小： | 343K |
| 代理商： | ADM14185E |
REV. B 08/97
5
ADM14185E
PRELIMINARY
R
L
TECHNICAL
AC Characteristics
D
PULSE
GENERATOR
V
IN
50
W
C
L
R
L
V
OUT
Figure 2. Test Circuit for Driver Propagation Delay and
Transition Time
V
IN
1.5V
t
PHL
+3V
V
OUT
-3V
t
f
0V
1.5V
3V
0V
V
OL
V
OH
t
PLH
t
r
+3V
-3V
0V
Figure 3. Driver Propagation Delay and Transition Time
Waveforms
R
PULSE
GENERATOR
V
IN
50
W
C
L
V
OUT
V
CC
Figure 4. Test Circuit for Receiver Propagation Delay and
Transition Time
V
IN
1.5V
t
PHL
80%
V
OUT
20%
t
f
1.5V
1.5V
+3V
-3V
V
OL
V
OH
t
PLH
t
r
80%
20%
1.5V
Figure 5. Receiver Propagation Delay and Transition
Time Waveforms
0V
3V
90%
10%
5ns
5ns
Driver
Input
-10V
+10V
+3V
-3V
200ns
200ns
Receiver
Input
Figure 6. Input Waveforms Used in AC Performance
Tests
Driver
Input
Driver
Output
5ns
5ns
10%
1.5V
90%
t
PLH
t
PHL
0V
3V
0V
V
OH
V
OL
Figure 7. Input/Output Waveforms for Driver Propagation
Delays vs. C
L
Receiver
Input
Receiver
Output
200ns
200ns
t
PLH
t
PHL
+10V
-10V
V
OH
V
OL
+2V
0.8V
+3V
-3V
-3V
0.8V
2V
Figure 8. Input/Output Waveforms for Receiver
Propagation Delay vs. C
L
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