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HCPL-253L Datasheet(PDF) 1 Page - Agilent(Hewlett-Packard)

Part # HCPL-253L
Description  LVTTL/LVCMOS Compatible 3.3 V Optocouplers (1 Mb/s)
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Manufacturer  HP [Agilent(Hewlett-Packard)]
Direct Link  http://www.home.agilent.com
Logo HP - Agilent(Hewlett-Packard)

HCPL-253L Datasheet(HTML) 1 Page - Agilent(Hewlett-Packard)

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Description
These diode-transistor optocouplers
use an insulating layer between a
LED and an integrated
photodetector to provide electrical
insulation between input and
output. Separate connections for
the photodiode bias and output-
transistor collector increase the
speed up to a hundred times that of
a conventional phototransistor
coupler by reducing the base-
collector capacitance.
AgilentHCPL-250L/050L/253L/053L
LVTTL/LVCMOS Compatible 3.3 V
Optocouplers(1Mb/s)
Data Sheet
Features
• Low power consumption
• High speed: 1 Mb/s
• LVTTL/LVCMOS compatible
• Available in 8-pin DIP, SO-8
• Open collector output
• Guaranteed performance from
temperature: 0˚C to +70˚C
• Safety approval, UL, CSA, IEC/EN/DIN
EN 60747-5-2
Applications
• High voltage insulation
• Video signal isolation
• Power translator isolation in motor
drives
• Line receivers
• Feedback element in switched mode
power supplies
• High speed logic ground isolation –
LVTTL/LVCMOS
• Replaces pulse transformers
• Replaces slow phototransistor
isolators
• Analog signal ground isolation
Functional Diagram
A 0.1
µF bypass capacitor must be connected between pins 5 and 8.
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.
These optocouplers are available
in an 8-pin DIP and in an industry
standard SO-8 package. The
following is a cross reference
table listing the 8-pin DIP part
number and the electrically
equivalent SO-8 part number.
The SO-8 does not require
"through holes" in a PCB. This
package occupies approximately
one-third the footprint area of the
7
1
2
3
4
5
6
8
ANODE 1
CATHODE 1
CATHODE 2
ANODE 2
VCC
VO1
VO2
GND
HCPL–253L/HCPL–053L
7
1
2
3
4
5
6
8
NC
ANODE
CATHODE
NC
VCC
VB
VO
GND
TRUTH TABLE
(POSITIVE LOGIC)
LED
ON
OFF
VO
LOW
HIGH
HCPL–250L/HCPL–050L


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