Datasheet > REF5020A-Q1

REF5020A-Q1

更新时间： 2024-11-01 12:21:47

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
19页	888K
描述
LOW-NOISE, VERY LOW DRIFT, PRECISION VOLTAGE REFERENCE

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中文翻译

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数据手册
替代型号

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REF5020A-Q1 数据手册

REF5020-Q1, REF5025-Q1, REF5030-Q1

REF5040-Q1, REF5045-Q1, REF5050-Q1

www.ti.com

SBOS456F –SEPTEMBER 2008–REVISED SEPTEMBER 2011

LOW-NOISE, VERY LOW DRIFT, PRECISION VOLTAGE REFERENCE

Check for Samples: REF5020-Q1, REF5025-Q1, REF5030-Q1, REF5040-Q1, REF5045-Q1, REF5050-Q1

FEATURES

DESCRIPTION

The REF50xx is a family of low-noise, low-drift, very

high precision voltage references. These references

are capable of both sinking and sourcing, and are

very robust with regard to line and load changes.

•

Qualified for Automotive Applications

Low Temperature Drift

•

–

High Grade: 3 ppm/°C (max)

Standard Grade: 8 ppm/°C (max)

Excellent temperature drift (3 ppm/°C) and high

accuracy (0.05%) are achieved using proprietary

design techniques. These features combined with

very low noise make the REF50xx family ideal for use

in high-precision data acquisition systems.

•

High Accuracy

–

High Grade: 0.05% (max)

Standard Grade: 0.1% (max)

•

Low Noise: 3 μV_PP/V

Each reference voltage is available in both standard-

and high-grade versions. They are offered in SO-8

packages and are specified from –40°C to 125°C.

EXCELLENT LONG-TERM STABILITY:

–

5ppm/1000hr (typ) after 1000 hours

•

High Output Current: ±10 mA

REF50xx Family

Temperature Range: –40°C to 125°C

MODEL

REF5020

REF5025

REF5030

REF5040

REF5045

REF5050

OUTPUT VOLTAGE

2.048 V

2.5 V

3 V

APPLICATIONS

•

16-Bit Data Acquisition Systems

ATE Equipment

4.096 V

4.5 V

5 V

Industrial Process Control

Medical Instrumentation

Optical Control Systems

Precision Instrumentation

5 V

SO-8 (D) PACKAGE

(TOP VIEW)

Input

Signal

0 V to 4 V

R₁

50 W

DNC

V_IN

V_DD

OPA365

+IN

ADS8326

C₁

1.2 nF

-IN

REF

GND

TEMP

GND

V_OUT

TRIM/NR

REF5040

V_IN

V_OUT

+5 V

DNC = Do not connect

NC = No internal connection

C_BYPASS

C₂

1 mF

22 mF

GND

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...19

中文翻译

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REF5020A-Q1 替代型号

型号	品牌	替代类型	描述	数据表
REF5030A-Q1	TI	功能相似	汽车类低噪声、极低温漂、精密 3V 串联电压基准
REF5040A-Q1	TI	功能相似	汽车类低噪声、极低温漂、精密 4.096V 串联电压基准
REF5025A-Q1	TI	功能相似	汽车类低噪声、极低温漂、精密 2.5V 串联电压基准

与REF5020A-Q1相关器件

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REF5020AQDRQ1	TI	获取价格	LOW NOISE, VERY LOW DRIFT,PRECISION VOLTAGE REFERENCE
REF5020-EP	TI	获取价格	LOW-NOISE,VERY LOW DRIFT,PRECISION VOLTAGE REFERENCE
REF5020-EP_1	TI	获取价格	LOW-NOISE,VERY LOW DRIFT,PRECISION VOLTAGE REFERENCE
REF5020I	TI	获取价格	Low-Noise, Very Low Drift, Precision VOLTAGE REFERENCE
REF5020I	BB	获取价格	Low-Noise, Very Low Drift, Precision VOLTAGE REFERENCE
REF5020ID	BB	获取价格	Low-Noise, Very Low Drift, Precision VOLTAGE REFERENCE
REF5020ID	TI	获取价格	Low-Noise, Very Low Drift, Precision VOLTAGE REFERENCE
REF5020IDG4	TI	获取价格	Low-Noise, Very Low Drift, Precision VOLTAGE REFERENCE
REF5020IDG4	BB	获取价格	Low-Noise, Very Low Drift, Precision VOLTAGE REFERENCE
REF5020IDGK	TI	获取价格	暂无描述

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