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HCPL-4200 Datasheet Preview

HCPL-4200 Datasheet

Optically Coupled 20 mA Current Loop Receiver

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HCPL-4200
Optically Coupled 20 mA Current Loop Receiver
Data Sheet
Lead (Pb) Free
RoHS 6 fully
compliant
RoHS 6 fully compliant options available;
-xxxE denotes a lead-free product
Description
The HCPL-4200 optocoupler is designed to operate as a
receiver in equipment using the 20 mA Current Loop. 20
mA current loop systems conventionally signal a logic
high state by transmitting 20 mA of loop current (MARK),
and signal a logic low state by allowing no more than a
few milliamperes of loop current (SPACE). Optical cou-
pling of the signal from the 20 mA current loop to the
logic output breaks ground loops and provides for a very
high common mode rejection. The HCPL-4200 aids in the
design process by providing guaranteed thresholds for
logic high state and logic low state for the current loop,
providing an LSTTL, TTL, or CMOS compatible logic in-
terface, and providing guaranteed common mode re-
jection. The buffer circuit on the current loop side of the
HCPL-4200 provides typically 0.8 mA of hysteresis which
increases the immunity to common mode and differen-
tial mode noise. The buffer also provides a controlled
amount of LED drive current which takes into account
any LED light output degradation. The internal shield al-
lows a guaranteed 1000 V/μs common mode transient
immunity.
Functional Diagram
Features
x Data output compatible with LSTTL, TTL and CMOS
x 20 K Baud data rate at 1400 metres line length
x Guaranteed On and Off thresholds
x LED is protected from excess current
x Input threshold hysteresis
x Three-state output compatible with data buses
x Internal shield for high Common Mode Rejection
x Safety approval
UL recognized -3750 V rms, for 1 minute
CSA approved
x Optically coupled 20 mA current loop transmitter,
HCPL-4100, also available
Applications
x Isolated 20 mA current
x Loop receiver in:
Computer peripherals
Industrial control equipment
Data communications equipment
A 0.1 μF bypass capacitor connected between pins 8 and 5 is recommended.
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.




Avago

HCPL-4200 Datasheet Preview

HCPL-4200 Datasheet

Optically Coupled 20 mA Current Loop Receiver

No Preview Available !

Ordering Information
HCPL-4200 is UL Recognized with 3750 Vrms for 1 minute per UL1577.
Part number
HCPL-4200
Option
RoHS
Compliant
Non-RoHS
Compliant
-000E
No option
-300E
#300
-500E
#500
Package
300 mil
DIP-8
Surface Mount Gull Wing
XX
XX
Tape & Reel Quantity
50 per tube
50 per tube
X 1000 per reel
To order, choose a part number from the part number column and combine with the desired option from the option
column to form an order entry.
Example 1:
HCPL-4200-500E to order product of Gull Wing Surface Mount package in Tape and Reel packaging in RoHS compli-
ant.
Example 2:
HCPL-4200 to order product of 300 mil DIP package in tube packaging and non-RoHS compliant.
Option datasheets are available. Contact your Avago sales representative or authorized distributor for information.
Remarks: The notation ‘#XXX’ is used for existing products, while (new) products launched since 15th July 2001 and
RoHS compliant option will use ‘-XXXE’.
2


Part Number HCPL-4200
Description Optically Coupled 20 mA Current Loop Receiver
Maker Avago
Total Page 13 Pages
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