AD5123 datasheet(14/28 Pages) AD

14 / 28 page

AD5123/AD5143

Data Sheet

Rev. B | Page 14 of 28

–0.15

–0.10

–0.05

0.05

0.10

0.15

100

CODE (Decimal)

10k

Ω, –40°C

10k

Ω, +25°C

10k

Ω, +125°C

100k

Ω, –40°C

100k

Ω, +25°C

100k

Ω, +125°C

Figure 11. INL vs. Code (AD5123)

–50

100

150

200

250

300

350

400

450

100k

Ω

10k

Ω

AD5123

AD5143

CODE (Decimal)

100

150

200

255

100

127

Figure 12. Potentiometer Mode Temperature Coefficient ((ΔVW/VW)/ΔT × 106) vs.

Code

100

200

300

400

500

600

700

800

TEMPERATURE (°C)

IDD, VDD = 2.3V

IDD, VDD = 3.3V

IDD, VDD = 5V

–40

125

110

VSS = GND

Figure 13. Supply Current vs. Temperature

–0.14

–0.12

–0.10

–0.08

–0.06

–0.04

–0.02

0.02

0.04

0.06

100

CODE (Decimal)

10k

Ω, –40°C

10k

Ω, +25°C

10k

Ω, +125°C

100k

Ω, –40°C

100k

Ω, +25°C

100k

Ω, +125°C

Figure 14. DNL vs. Code (AD5123)

–50

100

150

200

250

300

350

400

450

kΩ

100

kΩ

AD5122A

AD5142A

CODE (Decimal)

100

150

200

255

100

127

Figure 15. Rheostat Mode Temperature Coefficient ((ΔRWB/RWB)/ΔT × 106)

vs. Code

200

400

600

800

1000

1200

INPUT VOLTAGE (V)

VDD = 2.3V

VDD = 3.3V

VDD = 5V

VDD = 5.5V

Figure 16. IDD Current vs. Digital Input Voltage

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