Datasheet > REF5030AQDRQ1

REF5030AQDRQ1

更新时间： 2023-09-03 20:32:50

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
26页	876K
描述
汽车类低噪声、极低温漂、精密 3V 串联电压基准 \| D \| 8 \| -40 to 125

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REF5030AQDRQ1 数据手册

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REF5020A-Q1, REF5025A-Q1, REF5030A-Q1

REF5040A-Q1, REF5045A-Q1, REF5050A-Q1

SBOS456H –SEPTEMBER 2008–REVISED FEBRUARY 2015

REF50xxA-Q1 Low-Noise, Very Low Drift, Precision Voltage Reference

1 Features

3 Description

The REF50xxA-Q1 family of devices is low-noise,

low-drift, very-high precision-voltage reference. These

reference devices 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

•

–

Standard Grade: 8 ppm/°C (max)

High Accuracy

Standard Grade: 0.1% (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 REF50xxA-Q1 family of

devices ideal for use in high-precision data

acquisition systems.

•

Low Noise: 3 μV_PP/V

Excellent Long-Term Stability:

–

5 ppm/1000 hr (typ) after 1000 hours

•

High Output Current: ±10 mA

Temperature Range: –40°C to 125°C

Each reference voltage is available in a standard-

grade versions. The devices are offered in SO-8

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

2 Applications

•

16-Bit Data Acquisition Systems

ATE Equipment

Device Information(1)

PART NUMBER

REF5020A-Q1

REF5025A-Q1

REF5030A-Q1

REF5040A-Q1

REF5045A-Q1

REF5050A-Q1

PACKAGE

OUTPUT VOLTAGE

Industrial Process Control

Medical Instrumentation

Optical Control Systems

Precision Instrumentation

2.048 V

2.5 V

3 V

SOIC (8)

4.096 V

4.5 V

5 V

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

4 Simplified Schematic

5 V

Input

Signal

0 V to 4 V

R₁

50 ꢀꢀ

V_DD

+IN

OPA365

ADS8326

C₁

1.2 nF

±IN

REF

GND

REF5040A-Q1

V_OUT

V_IN

5 V

C_BYPASS

1 µF

C₂

22 µF

GND

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...26

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