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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： 2/13页
文件大小： 343K
代理商： ADM14185E
PRELIMINARY
DATA
3.0
2.1
3.0
0.43
0.6
-5.0
-3.0
-1
-0.6
TECHNICAL
Parameter
Min
Typ
Max
Units
Test Conditions/Comments
V
CC
Power Supply Current
250
500
μA
No Load, All Inputs at +5V
V+ Power Supply Current (Note 1)
175
300
μA
V- Power Supply Current (Note 1)
-150
-300
μA
Driver CMOS Inputs
High Level Input Voltage, V
INH
Low Level Input Voltage, V
INL
High Level Input Current I
INH
(Note 1)
Low Level Input Current I
INL
(Note 1)
2.0
V
V
μA
μA
0.8
1
-1
V
IN
= 5V
V
IN
= 0V
Driver EIA-232 Outputs
High Level Output Voltage, V
OH
(Note 1)
6
7
11.5
-7
-8
-11
-13
13
V
V
V
V
V
RL = 3k
, V
IN
= 0.8V, V+ = 9V, V- = -9V
, V
IN
= 0.8V, V+ = 12V, V- = -12V
RL = 7k
, V
IN
= 0.8V, V+ = 13.2V, V- = -13.2V
RL = 3k
, V
IN
= 2V, V+ = 9V, V- = -9V
RL = 3k
, V
IN
= 2V, V+ = 12V, V- = -12V
RL = 3k
, V
IN
= 2V, V+ = 13.2V,V- = -13.2V
V
O
= 0V, V
IN
= 0.8V(Note 1)
V
O
= 0V, V
IN
= 2.0V(Note 1)
-2V
≤
V
O
≤
+2V, V+ = V- = V
CC
= 0V
-2V
≤
V
O
≤
+2V, V+ = V- = V
CC
= Open Cct
10
Low Level Output Voltage, V
OL
(Note 1)
-6
-7.5
-18
18
Output High Short-Circuit Current I
OS+
Output Low Short-Circuit Current I
OS-
Output Resistance
Output Resistance
-6
6
300
300
mA
mA
Receiver EIA-232 Inputs
Input High Threshold, V
TH
(Recognized as a High Signal)
Input Low Threshold, VTL
(Recognised as a Low Signal)
Input Resistance R
IN
Input Current I
IN
(Note 1)
2.0
2.4
V
V
O
≤
0.4V, I
O
= 3.2mA
0.8
1.0
V
V
O
≥
2.5V, I
O
= -0.5mA
5.0
1
-2.1
-0.43
mA
mA
mA
mA
V
IN
= ±3V to ±15V
V
IN
= +15V
V
IN
= +3V
V
IN
= -15V
V
IN
= -3V
Receiver CMOS Outputs
High Level Output Voltage, V
OH
(Note 1)
4.0
4.5
4.0
4.5
4.5
4.9
4.5
4.9
0.2
±10
V
V
V
V
V
I
OH
= -1.0mA, V
CC
=5V, V
IN
= -3V
I
OH
= -10μA,V
CC
=5V, V
IN
= -3V
I
OH
= -1.0mA, V
CC
=5V, V
IN
= Open Circuit
I
OH
= -10μA, V
IN
= Open Circuit
I
OL
= 3.2mA, V
IN
= +3V
V
O
= 0V, V
IN
= 0V
Low Level Output Voltage, V
OL
Short-Circuit Current I
OSR
(Note 1)
0.4
mA
Driver Switching Characteristics
Propagation Delay High to Low, T
PHL
Propagation Delay, Low to High, T
PLH
Output Rise and Fall Time, t
r
, t
f
(Note 7)
1.2
1.2
0.3
1.5
1.5
μs
μs
μs
R
L
= 3k
, C
L
= 50pF (
Figures 2 and 3
)
Receiver Switching Characteristics
Propagation Delay High to Low, T
PHL
Propagation Delay, Low to High, T
PLH
250
400
500
800
ns
ns
R
L
= 3k
, C
L
= 15pF (Includes fixture plus
probe)
Output Rise Time, t
r
Output Fall Time, t
f
15
15
50
50
ns
ns
(
Figures 4 and 5
)
REV. B 08/97
2
ADM14185ESPECIFICATIONS
(V
CC
= 4.5V to 5.5V, V+ = 9.0V to 13.2V, V- = -9.0V to -13.2V. All specifications T
MIN
to T
MAX
unless otherwise noted.)
No Load, All Driver Inputs at 0.8V or 2V,
All Receiver Inputs at 0.8V or 2.4V
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