HCPL-0710 Avago Technologies US Inc., HCPL-0710 Datasheet - Page 12

OPTOCOUPLER CMOS 12MBD 8-SOIC

HCPL-0710

Manufacturer Part Number
HCPL-0710
Description
OPTOCOUPLER CMOS 12MBD 8-SOIC
Manufacturer
Avago Technologies US Inc.
Datasheet

Specifications of HCPL-0710

Voltage - Isolation
3750Vrms
Number Of Channels
1, Unidirectional
Current - Output / Channel
10mA
Data Rate
12.5MBd
Propagation Delay High - Low @ If
20ns
Input Type
Logic
Output Type
Push-Pull, Totem-Pole
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154", 3.90mm Width)
No. Of Channels
1
Isolation Voltage
3.75kV
Optocoupler Output Type
Gate Drive
Input Current
10µA
Output Voltage
5V
Opto Case Style
SOIC
No. Of Pins
8
Propagation Delay Low-high
40ns
Common Mode Voltage Vcm
1000V
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
516-1116-5

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12
Digital Field Bus Communication Networks
To date, despite its many drawbacks, the 4 - 20 mA
analog current loop has been the most widely accepted
standard for implementing process control systems.
In today’s manufacturing environment, however,
automated systems are expected to help manage
the process, not merely monitor it. With the advent
of digital field bus communication networks such as
DeviceNet, PROFIBUS, and Smart Distributed Systems
(SDS), gone are the days of constrained information.
Figure 17. Typical field bus communication physical model.
Optical Isolation for Field Bus Networks
To recognize the full benefits of these networks, each
recommends providing galvanic isolation using Avago
optocouplers. Since network communication is bi-direc-
tional (involving receiving data from and transmitting
data onto the network), two Avago optocouplers are
needed. By providing galvanic isolation, data integrity is
retained via noise reduction and the elimination of false
signals. In addition, the network receives maximum pro-
tection from power system faults and ground loops.
Within an isolated node, such as the DeviceNet Node
shown in Figure 18, some of the node’s components are
referenced to a ground other than V- of the network.
CONFIGURATION
TRANSCEIVER
INTERFACE
ISOLATION
OPTICAL
DEVICE
BUS
TRANSCEIVER
CONTROLLER
INTERFACE
ISOLATION
OPTICAL
BUS
TRANSCEIVER
INTERFACE
ISOLATION
STARTER
OPTICAL
MOTOR
BUS
HCPL-0710 fig 16
FIELD BUS
TRANSCEIVER
CONTROLLER
INTERFACE
ISOLATION
OPTICAL
XXXXXX
YYY
MOTOR
BUS
Controllers can now receive multiple readings from field
devices (sensors, actuators, etc.) in addition to diagnos-
tic information.
The physical model for each of these digital field bus
communication networks is very similar as shown in
Figure 17. Each includes one or more buses, an interface
unit, optical isolation, transceiver, and sensing and/or
actuating devices.
These components could include such things as devices
with serial ports, parallel ports, RS232 and RS485 type
ports. As shown in Figure 18, power from the network is
used only for the transceiver and input (network) side of
the optocouplers.
Isolation of nodes connected to any of the three types of
digital field bus networks is best achieved by using the
HCPL-x710 optocouplers. For each network, the HCPL-
x710 satisify the critical propagation delay and pulse
width distortion requirements over the temperature
range of 0°C to +85°C, and power supply voltage range
of 4.5 V to 5.5 V.
TRANSCEIVER
INTERFACE
ISOLATION
OPTICAL
BUS
SENSOR

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