IL610A NVE Corp., IL610A Datasheet - Page 12

• Manufacturer Part Number: IL610A
• Description: Passive-input Digital Isolators ? Open Drain Outputs
• Manufacturer: NVE Corp.

Isolated 120 V Line Monitor
The wide input voltage range of IL600 Isolators allow connection to line voltage through current-limiting resistors. In this
illustrative circuit, “Monitor Out” goes low when line voltage exceeds approximately 100 V, and high when line voltage drops
below approximately 10 V.
Multi-channel Isolated Alarm Monitor
The open-drain outputs of IL600A-Series Isolators allow wired-OR outputs. The inputs can be configured for inverting or non-
inverting operation (see Applications Information), and a very wide input voltage range is possible. This illustrative circuit
provides fail-safe output (logic high output for zero coil current) and typical logic output sink current of 10 mA for each isolator.
Sensor 1
Sensor 2
Sensor 3
Neutral
C
C
C
1K
1K
1K
boost
boost
boost
V
V
V
Load
1
2
3
3
2
3
2
3
2
IL610A
IL610A
IL610A
+
+
+
-
-
-
10K
10K 0.5W
0.5W
3
2
IL610A
+
-
8
6
5
8
6
5
8
6
5
GND
12
1
C
C
C
1
2
3
R
L
8
6
5
Notes:
System Error
C
All other capacitors are 47 nF ceramic
47nF
boost
+5 V
+5 V
is application specific
GND
2K
Monitor Out
1
IL600A Series
+5 V