ADS8381IPFBT datasheet(22/37 Pages) TI2

Part #	ADS8381IPFBT

Description	18-BIT, 580-kHz, UNIPOLAR INPUT, MICRO POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE

PDF	37 Pages

Scroll/Zoom	100%

Manufacturer	TI2 [Texas Instruments]

Direct Link	https://www.ti.com

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22 / 37 page

ADS8381

SLAS364D − APRIL 2002 − REVISED FEBRUARY 2005

www.ti.com

Figure 33

100

110

120

130

−40

−15

SPURIOUS FREE DYNAMIC RANGE

FREE-AIR TEMPERATURE

TA − Free-Air Temperature − °C

+VBD = 3 V,

+VA = 5 V,

TA = 255C,

fi = 100 kHz,

fS = 580 kHz,

Vref = 4 V,

Input = FSR

Figure 34

−40

−15

SIGNAL-TO-NOISE AND DISTORTION

FREE-AIR TEMPERATURE

TA − Free-Air Temperature − °C

+VBD = 3 V,

+VA = 5 V,

TA = 255C,

fi = 100 kHz,

fS = 580 kHz,

Vref = 4 V,

Input = FSR

Figure 35

13.2

13.4

13.6

13.8

14.2

14.4

14.6

14.8

−40

−15

EFFECTIVE NUMBER OF BITS

FREE-AIR TEMPERATURE

TA − Free-Air Temperature − °C

+VBD = 3 V,

+VA = 5 V,

TA = 255C,

fi = 100 kHz,

fS = 580 kHz,

Vref = 4.096 V,

Input = FSR

Figure 36

87.2

87.4

87.6

87.8

88.2

88.4

88.6

88.8

100

SIGNAL-TO-NOISE RATIO

INPUT FREQUENCY

fi − Input Frequency − kHz

+VBD = 3 V,

+VA = 5 V,

TA = 255C,

fS = 580 kHz,

Vref = 4.096 V,

Input = FSR

ADS8381IPFBT Datasheet(PDF) 22 Page - Texas Instruments

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