AD5675R datasheet(14/28 Pages) AD

14 / 28 page

Data Sheet

AD5676

Rev. B | Page 13 of 27

SUPPLY VOLTAGE (V)

–1.5

–1.0

–0.5

0.5

1.0

1.5

2.7

3.2

3.7

4.2

4.7

5.2

VDD = 5V

TA = 25°C

VREF = 2.5V

ZERO CODE ERROR

OFFSET ERROR

Figure 19. Zero Code Error and Offset Error vs. Supply Voltage

IDD FULL SCALE (mA)

100

120

0.83

0.85

0.87

0.89

0.91

0.93

0.95

0.97

0.99

1.01

VDD = 5V

TA = 25°C

VREF = 2.5V

Figure 20. IDD Histogram with External Reference

LOAD CURRENT (A)

–1.4

–1.0

–0.6

–0.2

0.2

0.6

1.0

1.4

0.005

0.010

0.015

0.020

0.025

0.030

SINKING –2.7V

SINKING –3V

SINKING –5V

SOURCING –5V

SOURCING –3V

SOURCING –2.7V

Figure 21. Headroom/Footroom (∆VOUT) vs. Load Current

LOAD CURRENT (A)

–2

–1

–0.06

–0.04

–0.02

0.02

0.04

0.06

VDD = 5V

TA = 25°C

GAIN = 2

VREF = 2.5V

0xFFFF

0xC000

0x8000

0x4000

0x0000

Figure 22. Source and Sink Capability at 5 V

LOAD CURRENT (A)

–1.0

–0.5

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

–0.06

–0.04

–0.02

0.02

0.04

0.06

VDD = 3V

TA = 25°C

GAIN = 1

VREF = 2.5V

0xFFFF

0xC000

0x8000

0x4000

0x0000

Figure 23. Source and Sink Capability at 3 V

CODE

1.0

1.1

1.2

1.3

1.4

1.5

1.6

10000

20000

30000

40000

50000

60000

70000

DEVICE 1

DEVICE 2

DEVICE 3

Figure 24. Supply Current (IDD) vs. Code

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