Datasheet > REF200_07

REF200_07

更新时间： 2024-11-12 04:08:31

品牌	Logo	应用领域
BB		/
页数	文件大小	规格书
17页	235K
描述
DUAL CURRENT SOURCE/CURRENT SINK

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REF200_07 数据手册

REF200

DUAL CURRENT SOURCE/CURRENT SINK

FEATURES

APPLICATIONS

● COMPLETELY FLOATING:

● SENSOR EXCITATION

No Power Supply or Ground Connections

● BIASING CIRCUITRY

● HIGH ACCURACY: 100µA ±0.5%

● OFFSETTING CURRENT LOOPS

● LOW VOLTAGE REFERENCES

● CHARGE-PUMP CIRCUITRY

● HYBRID MICROCIRCUITS

● LOW TEMPERATURE COEFFICIENT:

±25ppm/°C

● WIDE VOLTAGE COMPLIANCE:

2.5V to 40V

● ALSO INCLUDES CURRENT MIRROR

DESCRIPTION

The REF200 combines three circuit building-blocks

on a single monolithic chip—two 100µA current

sources and a current mirror. The sections are

dielectrically isolated, making them completely

independent. Also, since the current sources are two-

terminal devices, they can be used equally well as

current sinks. The performance of each section is

individually measured and laser-trimmed to achieve

high accuracy at low cost.

I₁

High

I₂

High

Mirror

Substrate

100µA

The sections can be pin-strapped for currents of 50µA,

100µA, 200µA, 300µA or 400µA. External circuitry

can be used to obtain virtually any current. These and

many other circuit techniques are shown in the

Applications section of this Data Sheet.

I₁

Low

I₂

Low

Mirror

Common

Mirror

Out

The REF200 is available in plastic 8-pin mini-DIP

and SOIC packages.

International Airport Industrial Park

•

Mailing Address: PO Box 11400, Tucson, AZ 85734

FAXLine: (800) 548-6133 (US/Canada Only)

•

Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706

•

Tel: (520) 746-1111 • Twx: 910-952-1111

Internet: http://www.burr-brown.com/

•

Cable: BBRCORP

•

Telex: 066-6491

•

FAX: (520) 889-1510

•

Immediate Product Info: (800) 548-6132

PDS-851D

Printed in U.S.A. October, 1993

SBVS020

12 3 4 5 6 7...17

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