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| 型号： | IL485E |
| 厂商： | NVE Corp/Isolation Products |
| 文件页数： | 4/9页 |
| 文件大小： | 0K |
| 描述： | ISOLATOR HS MAG DGTL 16-SOIC-W |
| 产品培训模块： | IsoLoop® Isolator |
| 产品目录绘图： | IL485E Circuit |
| 标准包装： | 50 |
| 系列： | IsoLoop® |
| 类型： | 收发器，隔离式 |
| 驱动器/接收器数： | 1/1 |
| 规程： | RS485 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 管件 |
| 产品目录页面： | 2771 (CN2011-ZH PDF) |
| 其它名称： | 390-1072-5 |
IL485
4
NVE Corporation
11409 Valley View Road
Eden Prairie, MN 55344-3617 USA
Telephone: (952) 829-9217
Fax (952) 829-9189
Internet: www.isoloop.com
Driver Section
Electrical Specifications are Tmin to Tmax and VDD = 4.5 V to 5.5 V, unless otherwise stated.
Parameters
Symbol
Min.
Typ.
(5)
Max.
Units
Test Conditions
Input Clamp Voltage
V
IK
1.5
V
I
L = 18 mA
Output voltage
V
O
0
6
V
I
O = 0
Differential Output Voltage
(2)
|V
OD
1|
1.5
6
V
I
O = 0
Differential Output Voltage
(2)
|V
OD
2|
1.5
2.5
5
V
R
L = 54 , VDD = 5 V
Differential Output Voltage
(2)(6)
V
OD
3
1.5
5
V
R
L = 54 , VDD = 4.5 V
Change in Magnitude of Differential
Output Voltage
(7)
Δ|V
OD|
±0.2
V
R
L = 54 or 100
Common Mode Output Voltage
V
OC
3
1
V
R
L = 54 or 100
Change in Magnitude of Common
Mode Output Voltage
(7)
Δ|V
OC|
±0.2
V
R
L = 54 or 100
Output Current
(4) Output Disabled
I
O
1
0.8
mA
V
O = 12 V
V
O = 7 V
High Level Input Current
I
IH
10
μA
VI = 3.5 V
Low Level Input Current
I
IL
10
μA
VI = 0.4 V
Short-circuit Output Current
I
OS
250
150
250
mA
V
O = 6 V
V
O = 0 V
V
O = 8 V
Supply Current
V
DD
1 = +5 V
V
DD
1 = +3.3 V
I
DD
1
I
DD
1
4
3
6
4
mA
No Load
(Outputs Enabled)
Switching Specifications
Parameters
Symbol
Min.
Typ.
(5)
Max.
Units
Test Conditions
Maximum Data Rate
35
Mbps
R
L = 54 , CL = 50 pF
Differential Output Prop Delay
t
D(OD)
16
25
ns
R
L = 54 , CL = 50 pF
Pulse Skew
(10)
t
S(P)
1
6
ns
R
L = 54 , CL = 50 pF
Differential Output Rise & Fall Time
t
T(OD)
8
10
ns
R
L = 54 , CL = 50 pF
Output Enable Time To High Level
t
PZH
31
65
ns
R
L = 54 , CL = 50 pF
Output Enable Time To Low Level
t
PZL
22
35
ns
R
L = 54 , CL = 50 pF
Output Disable Time From High Level
t
PHZ
28
50
ns
R
L = 54 , CL = 50 pF
Output Disable Time From Low Level
t
PLZ
16
32
ns
R
L = 54 , CL = 50 pF
Skew Limit
(3)
t
SK(LIM)
2
12
ns
R
L = 54 , CL = 50 pF
Notes (apply to both driver and receiver sections):
1.
All voltage values are with respect to network ground except differential I/O bus voltages.
2.
Differential input/output voltage is measured at the noninverting terminal A with respect to the inverting terminal B.
3.
Skew limit is the maximum propagation delay difference between any two devices at 25°C.
4.
The power-off measurement in ANSI Standard EIA/TIA-422-B applies to disabled outputs only and
is not applied to combined inputs and outputs.
5.
All typical values are at V
DD
1,VDD2 = 5 V or VDD1= 3.3 V and TA = 25°C.
6.
The minimum V
OD
2 with a 100 load is either VOD1 or 2 V, whichever is greater.
7.
Δ|V
OD| and Δ|VOC| are the changes in magnitude of VOD and VOC, respectively,
that occur when the input is changed form one logic state to the other.
8.
This applies for both power on and power off, refer to ANSI standard RS-485 for exact condition.
The EIA/TIA-422-B limit does not apply for a combined driver and receiver terminal.
9.
Includes 8 ns read enable time. Maximum propagation delay is 25 ns after read assertion.
10. Pulse skew is defined as |t
PLH tPHL| of each channel.
11. The relevant test and measurement methods are given in the Electromagnetic Compatibility section on p. 6.
12. External magnetic field immunity is improved by this factor if the field direction is “end-to-end” rather than to “pin-to-pin” (see diagram on p. 6).
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