1-418

H

High-Linearity Analog

Optocouplers

Technical Data

HCNR200

HCNR201

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.

3

4

1

2

V

F

–

+

I

F

I

PD1

6

5

I

PD2

8

7

NC

NC

PD2 CATHODE

PD2 ANODE

LED CATHODE

LED ANODE

PD1 CATHODE

PD1 ANODE

Features

• Low Nonlinearity: 0.01%

HCNR200:

± 15%

HCNR201:

± 5%

• Low Gain Temperature

Coefficient: -65 ppm/

• Wide Bandwidth – DC to

>1 MHz

• Worldwide Safety Approval

- UL 1577 Recognized

(5 kV rms/1 min Rating)

- CSA Approved

- BSI Certified

- VDE 0884 Approved

(Option #050)

• Surface Mount Option

Available

(Option #300)

• 8-Pin DIP Package - 0.400"

Spacing

• Allows Flexible Circuit

Design

• Special Selection for

and Lower Nonlinearity

Available

Applications

• Low Cost Analog Isolation

• Telecom: Modem, PBX

• Industrial Process Control:

Transducer Isolator

Isolator for Thermocouples

4 mA to 20 mA Loop Isolation

• SMPS Feedback Loop, SMPS

Feedforward

• Monitor Motor Supply

Voltage

• Medical

Description

The HCNR200/201 high-linearity

analog optocoupler consists of a

high-performance AlGaAs LED

that illuminates two closely

matched photodiodes. The input

photodiode can be used to

monitor, and therefore stabilize,

the light output of the LED. As a

result, the nonlinearity and drift

characteristics of the LED can be

virtually eliminated. The output

photodiode produces a photocur-

rent that is linearly related to the

light output of the LED. The close

matching of the photodiodes and

advanced design of the package

ensure the high linearity and

stable gain characteristics of the

optocoupler.

The HCNR200/201 can be used to

isolate analog signals in a wide

variety of applications that

require good stability, linearity,

bandwidth and low cost. The

HCNR200/201 is very flexible

and, by appropriate design of the

application circuit, is capable of

operating in many different

modes, including: unipolar/

bipolar, ac/dc and inverting/non-

inverting. The HCNR200/201 is

an excellent solution for many

analog isolation problems.

Schematic

5965-3577E