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HCPL-273L Folha de dados(PDF) 1 Page - AVAGO TECHNOLOGIES LIMITED

Nome de Peças HCPL-273L
Descrição Electrónicos  Low Input Current, High Gain, LVTTL/LVCMOS Compatbie Optocouplers
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Fabricante Electrônico  AVAGO [AVAGO TECHNOLOGIES LIMITED]
Página de início  http://www.avagotech.com
Logo AVAGO - AVAGO TECHNOLOGIES LIMITED

HCPL-273L Folha de dados(HTML) 1 Page - AVAGO TECHNOLOGIES LIMITED

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Description
These high gain series couplers use a Light Emitting Di-
ode and an integrated high gain photodetector to pro-
vide extremely high current transfer ratio between input
and output. Separate pins for the photodiode and out-
put stage result in LVTTL compatible saturation voltages
and high speed operation. Where desired, the VCC and VO
terminals may be tied together to achieve conventional
photo-darlington operation. A base access terminal al-
lows a gain bandwidth adjustment to be made.
These optocouplers are for use in LVTTL/LVCMOS or
other low power applications. A 400% minimum current
transfer ratio is guaranteed over 0 to +70˚C operating
range for only 0.5 mA of LED current.
The HCPL-070L and HCPL-073L are surface mount de-
vices packaged in an industry standard SOIC-8 footprint.
The SOIC-8 does not require "through holes" in a PCB.
This package occupies approximately one-third the foot-
print area of the standard dual-in-line package. The lead
profile is designed to be compatible with standard sur-
face mount processes.
Functional Diagram
Features
• 3.3V/5V Dual Supply Voltages
• Low power consumption
• High current transfer ratio
• Low input current requirements – 0.5 mA
• LVTTL/LVCMOS compatible output
• Performance guaranteed over temperature 0°C to +70°C
• Base access allows gain bandwidth adjustment
• High output current – 60 mA
• Safety approval, UL, IEC/EN/DIN EN 60747-5-2, CSA
Applications
• Ground isolate most logic families – LVTTL/LVCMOS
• Low input current line receiver
• High voltage insulation
• EIA RS-232C line receiver
• Telephone ring detector
• V AC line voltage status indicator – low input power
dissipation
• Low power systems – ground isolation
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.
HCPL-270L/070L/273L/073L
Low Input Current, High Gain, LVTTL/LVCMOS Compatible Optocouplers
Data Sheet
7
1
2
3
4
5
6
8
NC
ANODE
CATHODE
NC
VCC
VO
GND
TRUTH TABLE
HCPL-270L/070L
HCPL-273L/073L
LED
ON
OFF
VO
LOW
HIGH
VB
VO2
VO1
VCC
GND
ANODE 1
CATHODE 1
CATHODE 2
ANODE 2
7
5
6
8
2
3
4
1
SHIELD


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