AD7292 datasheet(13/41 Pages) AD

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AD7292

Data Sheet

100

200

300

400

500

600

700

800

900

511

512

OUTPUT CODE

510

AVDD = 5V

DVDD = 5V

VDRIVE = 2.5V

TA = 25°C

Figure 16. Histogram of Codes

–0.5

–0.3

–0.1

0.1

0.3

0.5

128

256

384

512

640

768

896

1024

DAC CODE

AVDD = 5.25V

DVDD = 5V

VDRIVE = 3.3V

INTERNAL REFERENCE

TA = 25°C

Figure 17. Typical DAC INL vs. Output Code

–1.0

–0.9

–0.8

–0.7

–0.6

–0.5

–0.4

–0.3

–0.2

–0.1

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

–40

–20

100

120

TEMPERATURE (°C)

INL MAX

INL MIN

AVDD = 5.25V

DVDD = 5V

VDRIVE = 3.3V

INTERNAL REFERENCE

Figure 18. DAC INL vs. Temperature

0.6

0.7

0.8

0.9

1.0

1.1

1.2

1.3

10k

100k

LOAD RESIST

ANCE (Ω)

AVDD = 5V

DVDD = VDRIVE = 3V

fSAMPLE = 225kSPS

TA = 25°C

ANALOG INPUT RANGE = AVDD – 4 × VREF

Figure 19. Reference Voltage vs. Load Resistance

–0.25

–0.15

–0.05

0.05

0.15

0.25

128

256

384

512

640

768

896

1024

DAC CODE

AVDD = 5.25V

DVDD = 5V

VDRIVE = 3.3V

INTERNAL REFERENCE

TA = 25°C

Figure 20. Typical DAC DNL vs. Output Code

–1.0

–0.9

–0.8

–0.7

–0.6

–0.5

–0.4

–0.3

–0.2

–0.1

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

–40

–20

100

120

TEMPERATURE (°C)

DNL MAX

DNL MIN

AVDD = 5.25V

DVDD = 5V

VDRIVE = 3.3V

INTERNAL REFERENCE

Figure 21. DAC DNL vs. Temperature

Rev. A | Page 12 of 40

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