HCPL-3700SD FAIRCHILD [Fairchild Semiconductor], HCPL-3700SD Datasheet
HCPL-3700SD
Manufacturer Part Number
HCPL-3700SD
Description
AC/DC TO LOGIC INTERFACE OPTOCOUPLER
Manufacturer
FAIRCHILD [Fairchild Semiconductor]
Datasheet
1.HCPL-3700SD.pdf
(11 pages)
DESCRIPTION
The HCPL-3700 voltage/current threshold detection optocoupler consists of an
AlGaAs LED connected to a threshold sensing input buffer IC which are optically
coupled to a high gain darlington output. The input buffer chip is capable of con-
trolling threshold levels over a wide range of input voltages with a single resistor.
The output is TTL and CMOS compatible.
FEATURES
• AC or DC input
• Programmable sense voltage
• Logic level compatibility
• Threshold guaranteed over temperature
• Optoplanar™ construction for high
• UL recognized (file # E90700)
APPLICATIONS
• Low voltage detection
• 5 V to 240 V AC/DC voltage sensing
• Relay contact monitor
• Current sensing
• Microprocessor Interface
• Industrial controls
© 2003 Fairchild Semiconductor Corporation
ABSOLUTE MAXIMUM RATINGS
Parameter
Storage Temperature
Operating Temperature
Lead Solder Temperature
EMITTER
Input Current
Input Voltage (Pins 2-3)
Input Power Dissipation
Total Package Power Dissipation
DETECTOR
Output Current
Supply Voltage
Output Voltage
Output Power Dissipation
(0°C to 70°C)
common mode immunity
Average
Surge
Transient
(Average)
(Pins 8-5)
(Pins 6-5)
3 ms, 120 Hz Pulse Rate
10 µs, 120 Hz Pulse Rate
POWER
AC/DC
GND 1
A 0.1 µF bypass capacitor
must be connected between
pins 8 and 5.
(No derating required up to 70°C)
R
Input
X
H
L
(Positive Logic)
TRUTH TABLE
HCPL-3700
Page 1 of 11
(Note 1)
(Note 2)
(Note 3)
(Note 4)
AC/DC TO LOGIC INTERFACE
Output
H
L
LOGIC
GND 2
Symbol
T
T
T
V
V
P
V
P
STG
OPR
I
P
SOL
I
IN
CC
O
IN
IN
O
O
T
DC+
DC-
AC
AC
8
260 for 10 sec
1
2
3
4
-55 to +125
230 (MAX)
305 (MAX)
210 (MAX)
140 (MAX)
500 (MAX)
-40 to +85
-0.5 (MIN)
50 (MAX)
30 (MAX)
-0.5 to 20
-0.5 to 20
OPTOCOUPLER
Value
8
1
1
8
HCPL-3700
Units
1
mW
mW
mW
mA
mA
°C
°C
°C
V
V
V
8
7
6
5
11/8/04
V
NC
V
GND
CC
O
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