ADS7891 datasheet(16/31 Pages) TI

Part #	ADS7891

Description	14-BIT,3-MSPS LOW POWER SAR ANALOG-TO-DIGITAL CONVERTER

PDF	31 Pages

Scroll/Zoom	100%

Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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16 / 31 page

ADS7891

SLAS410 − DECEMBER 2003

www.ti.com

Figure 25

−1

−0.5

0.5

4.75

4.85

4.95

5.05

5.15

5.25

+VA − Supply Voltage − V

OFFSET ERROR

SUPPLY VOLTAGE

TA = 255C,

Sample Rate = 3 MSPS,

+VBD = 5 V,

Vref = 2.5 V

Figure 26

−1

−0.75

−0.5

−0.25

0.25

0.5

0.75

−40

−20

GAIN ERROR

FREE-AIR TEMPERATURE

TA − Free-Air Temperature − °C

Sample Rate = 3 MSPS,

+VA = 5 V,

+VBD = 5 V,

Vref = 2.5 V

Figure 27

−1

−0.75

−0.5

−0.25

0.25

0.5

0.75

−40

−20

OFFSET ERROR

FREE-AIR TEMPERATURE

TA − Free-Air Temperature − °C

Sample Rate = 3 MSPS,

+VA = 5 V,

+VBD = 5 V,

Vref = 2.5 V

Figure 28

500

1000

1500

2000

2500

3000

NAP Disabled

NAP Enabled

POWER DISSIPATION

SAMPLE RATE

Sample Rate − KSPS

TA = 255C,

+VA = 5 V,

+VBD = 5 V,

Vref = 2.5 V

ADS7891 Datasheet(PDF) 16 Page - Texas Instruments

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