AD5170EVAL datasheet(8/24 Pages) AD

8 / 24 page

AD5170

Rev. A | Page 8 of 24

–2.0

–1.5

–1.0

–0.5

0.5

1.0

1.5

2.0

128

160

192

224

256

CODE (DECIMAL)

RAB = 10kΩ

VDD = 2.7V

TA = –40°C, +25°C, +85°C, +125°C

VDD = 5.5V

TA = –40°C, +25°C, +85°C, +125°C

Figure 8. R-INL vs. Code vs. Temperature

–0.5

–0.4

–0.3

–0.2

–0.1

0.1

0.2

0.3

0.4

0.5

128

160

192

224

256

CODE (DECIMAL)

VDD = 2.7V, 5.5V; TA = –40°C, +25°C, +85°C, +125°C

RAB = 10kΩ

Figure 9. R-DNL vs. Code vs. Temperature

–2.0

–1.5

–1.0

–0.5

0.5

1.0

1.5

2.0

TEMPERATURE (°C)

–40

–25

–10

110

125

VDD = 5.5V, VA = 5.0V

RAB = 10kΩ

VDD = 2.7V, VA = 2.7V

Figure 10. Full-Scale Error vs. Temperature

0.75

1.50

2.25

3.00

3.75

4.50

TEMPERATURE (°C)

–40

–25

–10

110

125

VDD = 5.5V, VA = 5.0V

RAB = 10kΩ

VDD = 2.7V, VA = 2.7V

Figure 11. Zero-Scale Error vs. Temperature

0.1

–40

–7

125

TEMPERATURE (°C)

VDD = 5V

VDD = 3V

Figure 12. Supply Current vs. Temperature

–20

100

120

128

160

192

224

256

CODE (DECIMAL)

RAB = 10kΩ

VDD = 2.7V

TA = –40°C TO +85°C, –40°C TO +125°C

VDD = 5.5V

TA = –40°C TO +85°C, –40°C TO +125°C

Figure 13. Rheostat Mode Tempco ∆RWB/∆T vs. Code

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