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REF7025 Datasheet(PDF) 25 Page - Texas Instruments

Part # REF7025
Description  REF70 2 ppm/째C Maximum Drift, 0.23 ppmp-p 1/f Noise, Precision Voltage Reference
PDF  40 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

REF7025 Datasheet(HTML) 25 Page - Texas Instruments

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10 Application and Implementation
Note
Information in the following applications sections is not part of the TI component specification,
and TI does not warrant its accuracy or completeness. TI’s customers are responsible for
determining suitability of components for their purposes, as well as validating and testing their design
implementation to confirm system functionality.
10.1 Application Information
This device is a natural fit for many precision applications and it can be connected to system components
in various ways and thus there are many situations that this data sheet can not characterize in detail. Basic
applications include positive/negative voltage reference and data acquisition systems. The table below shows
the typical applications of REF70 and its companion data converters.
APPLICATION
DATA CONVERTER
Precision Data Acquisition
ADS124S08, ADS8900B, ADS1278, ADS1262, DAC80501,
DAC8562
Industrial Instrumentation
ADS127L01, ADS8699, ADS1256, ADS1251, DAC9881, DAC8811,
DAC1220, DAC80508
Semiconductor Test
ADS8598H, ADS131M08, ADS8686S, ADS8881, DAC11001A,
DAC91001A, DAC7744
Power Monitoring, PLC Analog I/O
ADS131E04, ADS131A02,
Field Transmitters
ADS1247, ADS1220
10.2 Typical Applications
10.2.1 Typical Application: Basic Voltage Reference Connection
The circuit shown in Figure 10-1 shows the basic configuration for the REF70 references. Connect bypass
capacitors according to the guidelines in Section 10.2.1.2.1.
REF7025
ADS124S08
OPA2320
AIN0
AIN1
REFN0
Copyright © 2020, Texas Instruments Incorporated
REFP0
AVDD
AVSS
AVDD
GND
OUTS
OUTF
VIN EN
AVDD
OPA2320
AVDD
AVDD
AIN
Figure 10-1. Basic Reference Connection
www.ti.com
REF70
SNAS781D – OCTOBER 2020 – REVISED DECEMBER 2021
Copyright © 2021 Texas Instruments Incorporated
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Product Folder Links: REF70



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