AD5291 datasheet(17/30 Pages) AD

17 / 30 page

Data Sheet

AD5291/AD5292

0.03

–0.05

–0.04

–0.03

–0.02

–0.01

0.01

0.02

128

160

192

224

255

CODE (Decimal)

+25°C

–40°C

+105°C

RAB = 20kΩ

Figure 36. DNL in Normal Mode vs. Code vs. Temperature (AD5291)

450

400

350

300

250

200

150

100

–50

TEMPERATURE (°C)

–40 –30 –20 –10

90 100

ILOGIC

VDD/VSS = ±15V

VLOGIC = +5V

IDD

ISS

Figure 37. Supply Current (IDD, ISS, ILOGIC) vs. Temperature

700

600

500

400

300

200

100

256

512

768

1023

128

192

255

AD5292

AD5291

CODE (Decimal)

50kΩ

20kΩ

100kΩ

VDD = 30V,

VSS= 0V

Figure 38. Rheostat Mode Tempco ΔRWB/ΔT vs. Code

0.03

–0.05

–0.04

–0.03

–0.02

–0.01

0.01

0.02

128

160

192

224

255

CODE (Decimal)

20kΩ

50kΩ

100kΩ

TEMPERATURE = 2 5°C

Figure 39. DNL in Normal Mode vs. Code vs. Temperature (AD5291)

0.20

0.18

0.16

0.02

0.04

0.06

0.08

0.1

0.12

0.14

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

DIGITAL INPUT VOLTAGE (V)

VDD = ±15V

Figure 40. Supply Current ILOGIC vs. Digital Input Voltage

700

600

500

400

300

200

100

256

512

768

1023

128

192

255

AD5292

AD5291

CODE (Decimal)

VDD = 30V

VSS= 0V

50kΩ

20kΩ

100kΩ

Figure 41. Potentiometer Mode Tempco ΔRWB/ΔT vs. Code

Rev. E | Page 17 of 30

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