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HCPL-0370 Schematic ( PDF Datasheet ) - Agilent

Teilenummer HCPL-0370
Beschreibung (HCPL-xxx0) AC/DC to Logic Interface Optocouplers
Hersteller Agilent
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Gesamt 13 Seiten
HCPL-0370 Datasheet, Funktion
AC/DC to Logic Interface
Optocouplers
Technical Data
HCPL-0370
HCPL-3700
HCPL-3760
Features
• Standard (HCPL-0370/3700)
and Low Input Current
(HCPL-3760) Versions
• AC or DC Input
• Programmable Sense Voltage
• Hysteresis
• Logic Compatible Output
• Thresholds Guaranteed over
Temperature
• Thresholds Independent of
LED Optical Parameters
• Recognized under UL 1577
and CSA Approved for
Dielectric Withstand Proof
Test Voltage of 3750 Vac, 1
Minute
Applications
• Limit Switch Sensing
• Low Voltage Detector
• 5 V-240 V AC/DC Voltage
Sensing
• Relay Contact Monitor
• Relay Coil Voltage Monitor
• Current Sensing
• Microprocessor Interfacing
Description
The HCPL-0370/3700 and
HCPL-3760 are voltage/current
threshold detection optocouplers.
The HCPL-3760 is a low-current
version of the HCPL-0370/3700.
To obtain lower current
operation, the HCPL-3760 uses a
high-efficiency AlGaAs LED
which provides higher light
output at lower drive currents.
The devices utilize threshold
sensing input buffer ICs which
permit control of threshold levels
over a wide range of input
voltages with a single external
resistor.
Functional Diagram
AC 1
DC+ 2
DC- 3
AC 4
HCPL-0370/3700/3760
The input buffer incorporates
several features: hysteresis for
extra noise immunity and
switching immunity, a diode
bridge for easy use with ac input
signals, and internal clamping
8 VCC
7 NC
6 VO
5 GND
TRUTH TABLE
(POSITIVE LOGIC)
INPUT OUTPUT
HL
LH
CAUTION: It is advised that normal static precautions be taken in handling and assembly of this component to
prevent damage and/or degradation which may be induced by ESD.
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HCPL-0370 Datasheet, Funktion
6
Insulation and Safety Related Specifications
Parameter
Min.. External Air Gap
(External Clearance)
Min.. External Tracking
Path (External Creepage)
Min.. Internal Plastic
Gap (Internal Clearance)
Tracking Resistance
(Comparative
Tracking Index)
Isolation Group
Symbol
L(IO1)
L(IO2)
CTI
8-Pin DIP
(300 mil)
Value
7.1
7.4
0.08
200
SO-8
Value
4.9
4.8
0.08
200
Units
mm
mm
mm
V
Conditions
Measured from input terminals to output
sterminals, hortest distance through air
Measured from input terminals to output
terminals, shortest distance path along body
Through insulation distance, conductor to
conductor, usually the direct distance between
the photoemitter and photodetector inside the
optocoupler cavity
DIN IEC 112/VDE 0303 PART 1
IIIa Material Group (DIN VDE 0110, 1/89, Table 1)
Absolute Maximum Ratings (No derating required up to 70°C)
Parameter
Symbol Min. Max.
Storage Temperature
Operating Temperature
Lead Soldering Cycle
Temperature
TS -55 125
TA -40 85
260
Time
10
Input Current
Input Voltage (Pins 2-3)
Input Power Dissipation
Total Package Power Dissipation
Average
Surge
Transient
HCPL-3700/3760
HCPL-0370
HCPL-3700/3760
HCPL-0370
IIN
VIN
PIN
PT
50
140
500
-0.5
230
172
305
275
Output Power Dissipation
HCPL-3700/3760
HCPL-0370
PO
210
103
Output Current
Supply Voltage (Pins 8-5)
Output Voltage (Pins 6-5)
Solder Reflow Temperature Profile
Average
IO
30
VCC -0.5 20
VO -0.5 20
See Package Outline Drawings section
Units
°C
°C
°C
s
mA
Note
1
2
2, 3
V
mW 4
mW 5
mW 6
mA 7
V
V
Recommended Operating Conditions
Parameter
Supply Voltage
Operating Temperature
Operating Frequency
Symbol
VCC
TA
f
Min.
2
0
0
Max.
18
70
4
Units
V
°C
kHz
Note
8

6 Page









HCPL-0370 pdf, datenblatt
HCPL-0370/3700/3760
12
Figure 10. Switching Test Circuit.
HCPL-0370/3700/3760
(0370/3700)
Figure 11. Test Circuit for Common Mode Transient Immunity and Typical Waveforms.
HCPL-0370/3700
VTH+ = 3.7 V
VTH= 2.6 V
VTH+ = 4.9 V
VTH= 3.7 V
ITH+ = 2.5 mA
ITH= 1.3 mA
TA = 25 °C
Figure 12. Typical External Threshold Characteristics, V ± vs. RX.

12 Page





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