REF5025A-Q1

更新时间： 2024-09-26 11:06:31

品牌	Logo	应用领域
德州仪器 - TI		电源电路参考电压源
页数	文件大小	规格书
17页	560K
描述
汽车类低噪声、极低温漂、精密 2.5V 串联电压基准

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中文翻译

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数据手册
替代型号

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REF5025A-Q1 数据手册

REF5020-Q1, REF5025-Q1, REF5030-Q1

REF5040-Q1, REF5045-Q1, REF5050-Q1

www.ti.com ............................................................................................................................................... SBOS456B–SEPTEMBER 2008–REVISED APRIL 2009

LOW NOISE, VERY LOW DRIFT, PRECISION VOLTAGE REFERENCE

FEATURES

DESCRIPTION

•

Qualified for Automotive Applications

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.

•

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.

High Output Current: ±10 mA

Temperature Range: –40°C to 125°C

APPLICATIONS

REF50xx Family

•

16-Bit Data Acquisition Systems

ATE Equipment

Industrial Process Control

Medical Instrumentation

Optical Control Systems

Precision Instrumentation

MODEL

REF5020

REF5025

REF5030

REF5040

REF5045

REF5050

OUTPUT VOLTAGE

2.048 V

2.5 V

3 V

4.096 V

4.5 V

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...17

中文翻译

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REF5025A-Q1 替代型号

型号	品牌	替代类型	描述	数据表
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
REF5020A-Q1	TI	功能相似	LOW-NOISE, VERY LOW DRIFT, PRECISION VOLTAGE REFERENCE

与REF5025A-Q1相关器件

型号	品牌	获取价格	描述	数据表
REF5025AQDRQ1	TI	获取价格	LOW NOISE, VERY LOW DRIFT,PRECISION VOLTAGE REFERENCE
REF5025-EP	TI	获取价格	LOW-NOISE,VERY LOW DRIFT,PRECISION VOLTAGE REFERENCE
REF5025-HT	TI	获取价格	LOW NOISE, VERY LOW DRIFT, PRECISION VOLTAGE REFERENCE
REF5025I	BB	获取价格	Low-Noise, Very Low Drift, Precision VOLTAGE REFERENCE
REF5025I	TI	获取价格	Low-Noise, Very Low Drift, Precision VOLTAGE REFERENCE
REF5025ID	BB	获取价格	Low-Noise, Very Low Drift, Precision VOLTAGE REFERENCE
REF5025ID	TI	获取价格	Low-Noise, Very Low Drift, Precision VOLTAGE REFERENCE
REF5025IDG4	TI	获取价格	Low-Noise, Very Low Drift, Precision VOLTAGE REFERENCE
REF5025IDG4	BB	获取价格	Low-Noise, Very Low Drift, Precision VOLTAGE REFERENCE
REF5025IDGK	TI	获取价格	1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.5V, PDSO8, MSOP-8

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