il3122 NVE Corp., il3122 Datasheet - Page 4

• Manufacturer Part Number: il3122
• Description: Low Cost Rs-485 And Rs-422 Isolated Transceivers
• Manufacturer: NVE Corp.

IL3185 Pin Connections (0.3" SOIC Package)
IL3122 Pin Connections (0.3" SOIC Package)
NVE Corporation
10
11
12
13
14
15
16
10
11
12
14
15
16
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
3
V
V
V
V
GND
GND
GND
GND
GND
GND
GND
GND
V
V
V
V
DE
NC
NC
DE
RE
COIL1
COIL2
RE
COIL1
COIL2
R
D
A
B
R
D
Y
B
A
DD1
DD2
DD1
DD2
Z
11409 Valley View Road, Eden Prairie, MN 55344-3617
1
1
2
2
1
1
2
2
Input power supply
Ground return for V
Output data from bus
Read enable
(if RE is high, R is high impedance)
Drive enable
Coils for DE and D (connect to V
Data input to bus
V
(no internal connection on 0.15" IL3185-3)
Ground return for V
No internal connection
Output power supply
Non-inverting bus line
Inverting bus line
No internal connection
Ground return for V
Coil for R (connect to V
Input power supply
Ground return for V
Output data from bus
Read enable
(if RE is high, R is high impedance)
Drive enable
Coils for DE and D (connect to V
Data input to bus
V
(no internal connection on 0.15" IL3122-3)
Ground return for V
Non-inverting driver bus line
Output power supply
Inverting driver bus line
Inverting receiver bus line
Non-inverting receiver bus line
Ground return for V
Coil for R (connect to V
DD1
DD1
ground return for 0.3" package
ground return for 0.3" package
DD1
DD2
DD2
DD1
DD2
DD2
DD2
DD2
)
)
DD1
DD1
)
)
Phone: [phone]
4
Fax: [phone]
V
V
GND
GND
GND
GND
V
COIL1
V
COIL1
RE
DE
RE
DE
DD1
DD1
R
D
R
D
1
1
1
1
IL3185
IL3122
www.IsoLoop.com
IL3185/IL3122
©2008 NVE Corporation
V
GND
NC
B
A
V
NC
GND
V
GND
A
B
Z
V
Y
GND
COIL2
DD2
COIL2
DD2
2
2
2
2