REF198GS

更新时间： 2024-11-11 22:25:35

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
23页	236K
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Precision Micropower, Low Dropout, Voltage References

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REF198GS 数据手册

Precision Micropower, Low Dropout,

Voltage References

REF19x Series

PIN CONFIGURATIONS

FEATURES

Initial Accuracy: ؎2 mV max

Temperature Coefficient: 5 ppm/°C max

Low Supply Current: 45 ␮A max

Sleep Mode: 15 ␮A max

8-Lead Narrow-Body SO and TSSOP

(S Suffix and RU Suffix)

Low Dropout Voltage

REF19x

SERIES

Load Regulation: 4 ppm/mA

Line Regulation: 4 ppm/V

High Output Current: 30 mA

Short Circuit Protection

OUTPUT

SLEEP

GND

TOP VIEW

(Not to Scale)

APPLICATIONS

Portable Instrumentation

A-to-D and D-to-A Converters

Smart Sensors

Solar Powered Applications

Loop Current Powered Instrumentations

8-Lead Epoxy DIP (P Suffix)

REF19x

SERIES

TOP VIEW

(Not to Scale)

OUTPUT

SLEEP

GND

GENERAL DESCRIPTION

REF19x series precision bandgap voltage references use a pat-

ented temperature drift curvature correction circuit and laser

trimming of highly stable thin film resistors to achieve a very low

temperature coefficient and a high initial accuracy.

NC = NO CONNECT

TP PINS ARE FACTORY TEST POINTS

NO USER CONNECTION

The REF19x series are micropower, Low Dropout Voltage

(LDV) devices providing a stable output voltage from supplies

as low as 100 mV above the output voltage and consuming less

than 45 µA of supply current. In sleep mode, which is enabled

by applying a low TTL or CMOS level to the sleep pin, the

output is turned off and supply current is further reduced to less

than 15 µA.

Table I

Part Number

Nominal Output Voltage (V)

REF191

REF192

REF193

REF194

REF195

REF196

REF198

2.048

2.50

3.00

4.50

5.00

3.30

4.096

The REF19x series references are specified over the extended

industrial temperature range (–40°C to +85°C) with typical

performance specifications over –40°C to +125°C for applica-

tions such as automotive.

All electrical grades are available in 8-Lead SOIC; the PDIP and

TSSOP are only available in the lowest electrical grade. Prod-

ucts are also available in die form.

ORDERING GUIDE

Temperature

Range

Package

Description

Package

Option¹

Model

Test Pins (TP)

The test pins, Pin 1 and Pin 5, are reserved for in-package

zener-zap. To achieve the highest level of accuracy at the out-

put, the zener-zapping technique is used to trim the output

voltage. Since each unit may require a different amount of ad-

justment, the resistance value at the test pins will vary widely

from pin-to-pin as well as from part-to-part. The user should

not make any physical nor electrical connections to Pin 1 and

Pin 5.

REF19xGP

REF19xES³

REF19xFS³

REF19xGS

–40°C to +85°C 8-Lead Plastic DIP²N-8

–40°C to +85°C 8-Lead SOIC

SO-8

RU-8

REF19xGRU –40°C to +85°C 8-Lead TSSOP

REF19xGBC +25°C

DICE

NOTES

¹N = Plastic DIP, SO = Small Outline, RU = Thin Shrink Small Outline.

²8-Lead plastic DIP only available in “G” grade.

³REF193 and REF196 are available in “G” grade only.

REV. D

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site: http://www.analog.com

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REF198GS 替代型号

型号	品牌	替代类型	描述	数据表
REF198GS-REEL	ADI	完全替代	Precision Micropower, Low Dropout Voltage References
REF198GSZ-REEL	ADI	完全替代	Precision Micropower, Low Dropout Voltage References
REF198GSZ	ADI	类似代替	Precision Micropower, Low Dropout Voltage References

与REF198GS相关器件

型号	品牌	获取价格	描述	数据表
REF198GS-REEL	ADI	获取价格	Precision Micropower, Low Dropout Voltage References
REF198GSZ	ADI	获取价格	Precision Micropower, Low Dropout Voltage References
REF198GSZ-REEL	ADI	获取价格	Precision Micropower, Low Dropout Voltage References
REF19X	ADI	获取价格	Precision Micropower, Low Dropout, Voltage References
REF19XES	ADI	获取价格	Precision Micropower, Low Dropout, Voltage References
REF19XES3	ADI	获取价格	Precision Micropower, Low Dropout Voltage References
REF19XFS	ADI	获取价格	Precision Micropower, Low Dropout, Voltage References
REF19XFS3	ADI	获取价格	Precision Micropower, Low Dropout Voltage References
REF19XGBC	ADI	获取价格	Precision Micropower, Low Dropout, Voltage References
REF19XGP	ADI	获取价格	Precision Micropower, Low Dropout, Voltage References

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