ADS7890IPFBT datasheet(14/25 Pages) TI

Part #	ADS7890IPFBT

Description	14-BIT, 1.25-MSPS LOW POWER SAR ANALOG-TO-DIGITAL CONVERTER

PDF	25 Pages

Scroll/Zoom	100%

Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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14 / 25 page

ADS7890

SLAS409 − DECEMBER 2003

www.ti.com

Figure 17

100

105

−40

−20

SPURIOUS FREE DYNAMIC RANGE

FREE-AIR TEMPERATURE

TA − Free-Air Temperature − °C

fi = 100 kHz,

Sample Rate = 1.25 MSPS,

+VA = 5 V,

+VBD = 5 V,

Vref = 2.5 V

Figure 18

−105

−100

−95

−90

−85

−40

−20

TOTAL HARMONIC DISTORTION

FREE-AIR TEMPERATURE

TA − Free-Air Temperature − °C

fi = 100 kHz,

Sample Rate = 1.25 MSPS,

+VA = 5 V,

+VBD = 5 V,

Vref = 2.5 V

Figure 19

11.5

12.5

13.5

100

200

300

400

500

EFFECTIVE NUMBER OF BITS

INPUT FREQUENCY

fi − Input Frequency − kHz

TA = 255C,

Sample Rate = 1.25 MSPS,

+VA = 5 V,

+VBD = 5 V,

Vref = 2.5 V

Figure 20

100

200

300

400

500

fi − Input Frequency − kHz

SIGNAL-TO-NOISE AND DISTORTION

INPUT FREQUENCY

TA = 255C,

Sample Rate = 1.25 MSPS,

+VA = 5 V,

+VBD = 5 V,

Vref = 2.5 V

ADS7890IPFBT Datasheet(PDF) 14 Page - Texas Instruments

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