Datasheet > HCPL270L

HCPL270L

更新时间： 2024-11-09 00:00:59

品牌	Logo	应用领域
安捷伦 - AGILENT		光电
页数	文件大小	规格书
13页	190K
描述
Low Input Current High Gain LVTTL/LVCMOS Compatible 3.3 V Optocouplers

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HCPL270L 数据手册

Agilent HCPL-270L/ 070L/273L/073L

Low Input Current High Gain

LVTTL/LVCMOS Compatible

3.3 V Optocouplers

Data Sheet

Features

•

Low power consumption

High current transfer ratio

Low input current requirements –

0.5 mA

•

LVTTL/LVCMOS compatible output

darlington operation. A base

access terminal allows a gain

bandwidth adjustment to be

made.

Description

Performance guaranteed over

temperature 0˚C to +70˚C

These high gain series couplers use

a Light Emitting Diode and an

integrated high gain photodetector

to provide extremely high current

transfer ratio between input and

output. Separate pins for the

photodiode and output stage result

in LVTTL compatible saturation

voltages and high speed operation.

Where desired, the V and V

•

Base access allows gain

bandwidth adjustment

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.

•

High output current – 60 mA

Safety approval, UL, VDE, CSA

(pending)

Applications

terminals may be tied together to

achieve conventional photo-

•

Ground isolate most logic

families – LVTTL/LVCMOS

•

Low input current line receiver

High voltage insulation

Functional Diagram

EIA RS-232C line receiver

Telephone ring detector

HCPL-270L/070L

HCPL-273L/073L

117 V AC line voltage status

indicator – low input power

dissipation

ANODE

CATHODE

ANODE

CATHODE

ANODE

•

Low power systems – ground

isolation

GND

SHIELD

TRUTH TABLE

LED

OFF

LOW

HIGH

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.

12 3 4 5 6 7...13

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