AD5672R datasheet(17/34 Pages) AD

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Data Sheet

AD5672R/AD5676R

Rev. B | Page 17 of 34

–1.5

–1.0

–0.5

0.5

1.0

1.5

2.7

3.2

3.7

4.2

4.7

5.2

SUPPLY VOLTAGE (V)

VDD = 5V

TA = 25°C

INTERNAL REFERENCE = 2.5V

OFFSET ERROR

ZERO CODE ERROR

Figure 32. AD5672R Zero Code Error and Offset Error vs. Supply Voltage

IDD FULL SCALE (µA)

VDD = 5V

TA = 25°C

INTERNAL REFERENCE = 2.5V

Figure 33. Supply Current (IDD) Histogram with Internal Reference

–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

LOAD CURRENT (A)

SINKING, VDD = –2.7V

SINKING, VDD = –3.0V

SINKING, VDD = –5.0V

SOURCING, VDD = –5.0V

SOURCING, VDD = –3.0V

SOURCING, VDD = –2.7V

Figure 34. Headroom/Footroom (ΔVOUT) vs. Load Current

–2

–1

–0.06

–0.04

–0.02

0.02

0.04

0.06

LOAD CURRENT (A)

0xFFFF

0x8000

0x4000

0x0000

0xC000

Figure 35. Source and Sink Capability at 5 V

–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

LOAD CURRENT (A)

0xFFFF

0x4000

0x0000

0x8000

0xC000

Figure 36. Source and Sink Capability at 3 V

1.0

1.1

1.2

1.3

1.4

1.5

1.6

10000

20000

30000

40000

50000

60000

70000

CODE

U1284

U1285

U1286

Figure 37. Supply Current (IDD) vs. Code

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