AD5693 datasheet(14/26 Pages) AD

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AD5693R/AD5692R/AD5691R/AD5693

Data Sheet

Rev. D | Page 14 of 26

0.03

–0.04

–0.03

–0.02

–0.01

0.01

0.02

–40

TEMPERATURE (°C)

U1_INT_REF

U2_INT_REF

U3_INT_REF

U1_EXT_REF

U2_EXT_REF

U3_EXT_REF

VDD = 5V

GAIN = 1

VREF = 2.5V

Figure 21. Gain Error and Full-Scale Error vs. Temperature

350

100

150

200

250

300

TEMPERATURE (°C)

105

–20

–40

U1_INT_REF

U2_INT_REF

U3_INT_REF

U1_EXT_REF

U2_EXT_REF

U3_EXT_REF

VDD = 5V

GAIN = 1

VREF = 2.5V

Figure 22. Zero Code Error and Offset Error vs. Temperature

TEMPERATURE (°C)

–40

2.495

2.497

2.499

2.501

2.503

2.505

VDD = 5V

Figure 23. Internal Reference Voltage vs. Temperature (Grade B)

2.70

3.30

3.75

4.25

4.75

5.25

5.50

VDD (V)

–0.025

–0.020

–0.015

–0.010

–0.005

0.005

0.010

0.015

0.020

0.025

0.030

U1_INT_REF

U2_INT_REF

U3_INT_REF

U1_EXT_REF

U2_EXT_REF

U3_EXT_REF

TA = 25°C

GAIN = 1

VREF = 2.5V

Figure 24. Gain Error and Full-Scale Error vs. VDD

2.70

3.30

3.75

4.25

4.75

5.25

5.50

VDD (V)

500

400

300

200

100

U1_INT_REF

U2_INT_REF

U3_INT_REF

U1_EXT_REF

U2_EXT_REF

U3_EXT_REF

TA = 25°C

GAIN = 1

VREF = 2.5V

Figure 25. Zero Code Error and Offset Error vs. VDD

VREF (V)

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

VDD = 5V

TA = 25°C

GAIN = 1

Figure 26. Reference Output Spread

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