ADS8699IPWR datasheet(29/74 Pages) TI2

Part #	ADS8699IPWR

Description	ADS869x 18-Bit, High-Speed, Single-Supply, SAR ADC Data Acquisition System With Programmable, Bipolar Input Ranges

PDF	74 Pages

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Manufacturer	TI2 [Texas Instruments]

Direct Link	https://www.ti.com

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29 / 74 page

The internal reference is also temperature compensated to provide excellent temperature drift over an extended

industrial temperature range of –40°C to +125°C. Figure 7-10 shows the variation of the internal reference

voltage across temperature for different values of the AVDD supply voltage. The temperature drift of the internal

reference is also a function of the package type. Figure 7-11 shows histogram distribution of the reference

voltage drift.

Free-Air Temperature (0C)

-40

-7

125

4.09

4.091

4.092

4.093

4.094

4.095

4.096

4.097

4.098

4.099

4.1

D061

AVDD = 5.25 V

AVDD = 5 V

AVDD = 4.75 V

Figure 7-10. REFIO Voltage Variation Across AVDD

and Temperature

REFIO Drift (ppm/ºC)

3.1

3.5

3.9

4.3

4.7

5.1

5.5

5.9

6.3

6.7

7.1

D062

AVDD = 5 V, number of devices = 30, ΔT = –40°C to +125°C

Figure 7-11. Internal Reference Temperature Drift

Histogram

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ADS8691, ADS8695, ADS8699

SBAS777B – DECEMBER 2016 – REVISED MARCH 2021

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ADS8699IPWR Datasheet(PDF) 29 Page - Texas Instruments

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