HCPL-4731-500E Avago Technologies US Inc., HCPL-4731-500E Datasheet - Page 15

• Manufacturer Part Number: HCPL-4731-500E
• Description: OPTOCOUPLER 2CH HI SPEED 8-SMD
• Manufacturer: Avago Technologies US Inc.

Specifications of HCPL-4731-500E

• Input Type: DC
• Package / Case: 8-SMD Gull Wing
• Voltage - Isolation: 3750Vrms
• Number Of Channels: 2, Unidirectional
• Current - Output / Channel: 60mA
• Data Rate: 100KBd
• Propagation Delay High - Low @ If: 65µs @ 40µA
• Current - Dc Forward (if): 5mA
• Output Type: Open Collector
• Mounting Type: Surface Mount, Gull Wing
• Isolation Voltage: 3750 Vrms
• Minimum Forward Diode Voltage: 1.1 V
• Output Device: Photodarlington
• Configuration: 2 Channel
• Current Transfer Ratio: 25000 %
• Maximum Baud Rate: 100 KBps
• Maximum Forward Diode Voltage: 1.4 V
• Maximum Reverse Diode Voltage: 2.5 V
• Maximum Input Diode Current: 10 mA
• Maximum Power Dissipation: 115 mW
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 12. Recommended Power Supply Filter for HCPL-47XX Optocouplers.
Figure 11. Typical Optical Isolation Used for Power-Loss Indication and Regulation Signal Feedback.
Figure 10. HCPL-47XX Isolated Monitoring Circuits for 2-Wire ISDN Telephone Line.
15
PRIMARY
115/230
VAC
1
2
3
4
PRIMARY–SECONDARY
NOTE: THE CIRCUITS SHOWN IN THIS FIGURE REPRESENT POSSIBLE, FUNCTIONAL APPLICATION OF THE HCPL-47XX
OPTOCOUPLER TO AN ISDN LINE INTERFACE. THIS CIRCUIT ARRANGEMENT DOES NOT GUARANTEE COMPLIANCE,
CONFORMITY, OR ACCEPTANCE TO AN ISDN, OR OTHER TELECOMMUNICATION STANDARD, OR TO FCC OR TO OTHER
GOVERNMENTAL REGULATORY AGENCY REQUIREMENTS. THESE CIRCUITS ARE RECOMMENDATIONS THAT MAY MEET
THE NEEDS OF THESE APPLICATIONS. Agilent DOES NOT IMPLY, REPRESENT, NOR GUARANTEE THAT
THESE CIRCUIT ARRANGEMENTS ARE FREE FROM PATENT INFRINGEMENT.
VAC
2-WIRE
ISDN
LINE
POWER ISOLATION
BARRIER
EMI FILTER
HCPL-4701 OR HCPL-4731
CURRENT
LIMITER
PROTECTION
AND
CIRCUIT
SUPPLY
P0WER
EMERGENCY
POWER
SECONDARY
1
POWER
POWER
SUPPLY
FILTER
CAPACITOR
SWITCHING
8
7
6
5
CONTROL
ELEMENT
CIRCUIT
RECOMMENDED V
ISOLATION BARRIER
1
TELEPHONE LINE
0.1 µF
SWITCHED–
HCPL-4731
HCPL-4701
1
VIA CNR200
FEEDBACK
HCPL-4701
SUPPLY
ISOLATION
POWER
MODE
BARRIER
ERROR
+
CC
10 µF
100
FILTER
2
RECTIFIER
FILTER
SOFT START
COMMAND
AND
INTERRUPT FLAG
POWER DOWN
R
L
V
V
CC
O
TRANSMIT
LINE POLARITY
LINE PRESENCE
SECONDARY/
EMERGENCY
POWER
V
V
2
RECEIVE
CC
CC
– RETURN
V
GND 2
O
TELEPHONE
INTERFACE
CIRCUIT
LINE