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參數(shù)資料
| 型號： | IL422-3V |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Isolated 3Volt RS422/RS485 Interface |
| 中文描述： | 隔離3Volt RS422/RS485接口 |
| 文件頁數(shù)： | 4/7頁 |
| 文件大小： | 348K |
| 代理商： | IL422-3V |
Electrostatic Discharge Sensitivity
This product has been tested for electrostatic sensitivity to the limits stated in the specifications. However, NVE
recommends that all integrated circuits be handled with appropriate care to avoid damage. Damage caused by
inappropriate handling or storage could range from performance degradation to complete failure.
4
IL422-3V
I
SO
L
OOP
R H O P O IN T C O M P O N E N T S
Receiver Section
All Specifications are Tminto Tmaxunless otherwise stated.
Parameter
Symbol
Min.
Typ.
(5)
Max.
Units
Test Conditions
Positive-going Input Threshold Voltage
V
IT
+
V
IT
-
Vhys
V
OH
V
OL
I
OZ
I
I
0.2
V
V
O
= 2.7V, Io= - 0.4mA
V
O
= 0.5V, Io= 8mA
Negative-going Input Threshold Voltage
Hysteresis Voltage (V
IT
+- V
IT
-)
High Level Digital Output Voltage
–0.2
V
60
mV
V
V
DD
– 0.2
V
ID
= 200mV, I
OH
= -20
μ
A
V
ID
= -200mV, I
OL
= 20
μ
A
V
O
= 0.4 to (V
DD
2- 0.5) V
Other Input
(11)
= 0V V
I
=12V
Low Level Digital Output Voltage
0.2
±10
V
μ
A
High-impedance-state output current
Line Input Current
(8)
1
mA
-0.8
V
I
= –7V
Input Resistance
r
I
50
k
Supply Current
(V
DD
2= +5V)
(V
DD
1= +5V)
(V
DD
1= +3.3V)
I
DD
2
I
DD
1
I
DD
1
27
5
3.2
34
10
7
No Load (Outputs Enabled)
mA
Switching Characteristics @ 5V
Parameter
Maximum Data Rate
Propagation Time
(9)
Pulse Skew
(10)
Skew Limit
(3)
Output Enable Time To High Level
Output Enable Time To Low Level
Output Disable Time From High Level
Output Disable Time From Low Level
Symbol
Min.
25
Typ.
(5)
Max.
Units
Mbd
ns
ns
ns
ns
ns
ns
ns
Test Conditions
R
L
=54
, C
L
=50pF
V
O
=-1.5 to 1.5V, C
L
=15pF
V
O
=-1.5 to 1.5V, C
L
=15pF
R
L
=54
, C
L
=50pF
C
L
=15pF
C
L
=15pF
C
L
=15pF
C
L
=15pF
t
PD
t
SK
(
P
)
t
SK
(lim)
t
PZH
t
PZL
t
PHZ
t
PLZ
24
1
2
17
30
30
18
32
6
8
24
45
45
27
Switching Characteristics @ 3.3V
Parameter
Maximum Data Rate
Propagation Time
(9)
Pulse Skew
(10)
Skew Limit
(3)
Output Enable Time To High Level
Output Enable Time To Low Level
Output Disable Time From High Level
Output Disable Time From Low Level
Symbol
Min.
25
Typ.
(5)
Max.
Units
Mbd
ns
ns
ns
ns
ns
ns
ns
Test Conditions
R
L
=54
, C
L
=50pF
V
O
=-1.5 to 1.5V, C
L
=15pF
V
O
=-1.5 to 1.5V, C
L
=15pF
R
L
=54
, C
L
=50pF
C
L
=15pF
C
L
=15pF
C
L
=15pF
C
L
=15pF
t
PD
t
SK
(
P
)
t
SK
(lim)
t
PZH
t
PZL
t
PHZ
t
PLZ
27
2
4
20
33
33
20
32
6
8
24
45
45
27
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