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AD5673R/AD5677R

Data Sheet

Rev. 0 | Page 16 of 31

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

TA = 25°C

INTERNAL REFERENCE = 2.5V

ZERO CODE ERROR

OFFSET ERROR

Figure 29. AD5677R Zero Code Error and Offset Error vs. Supply Voltage

1.5

–1.5

–1.0

1.0

0.5

–0.5

2.7

3.2

3.7

4.2

4.7

5.2

SUPPLY VOLTAGE (V)

TA = 25°C

INTERNAL REFERENCE = 2.5V

ZERO-CODE ERROR

OFFSET ERROR

Figure 30. AD5673R Zero Code Error and Offset Error vs. Supply Voltage

3330 3350 3370 3390 3410 3430 3450 3470 3490 3510 3530 3550

IDD FULL SCALE (µA)

VDD = 5.5V

GAIN = 2

TA = 25°C

INTERNAL REFERENCE = 2.5V

Figure 31. Supply Current (IDD) Histogram with Internal Reference

SOURCING – VDD = 5V; G = 1

SOURCING – VDD = 2.7V; G = 1

SOURCING – VDD = 5.5V; G = 2

SOURCING – VDD = 3.3V; G = 1

SINKING – VDD = 5V; G = 1

SINKING – VDD = 2.7V; G = 1

SINKING – VDD = 5.5V; G = 2

SINKING – VDD = 3.3V; G = 1

1.4

–1.4

–1.0

–0.6

–0.2

0.2

0.4

1.0

0.005

0.010

0.015

0.020

0.025

0.030

LOAD CURRENT (A)

Figure 32. Headroom and Footroom (ΔVOUT) vs. Load Current

–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

OUTPUT CURRENT (A)

0xFFFF

0xC000

0x8000

0x4000

0x0000

VDD = 3V

TA = 25°C

GAIN = 1

INTERNAL REFERENCE = 2.5V

REQUIRED VDD HEADROOM

TO MAINTAIN VOUTx = 2.5V

Figure 33. Source and Sink Capability at VDD = 3 V

OUTPUT CURRENT (A)

–2

–1

–0.06

–0.04

–0.02

0.02

0.04

0.06

VDD = 5V

TA = 25°C

GAIN = 2

INTERNAL REFERENCE = 2.5V

0xFFFF

0xC000

0x8000

0x4000

0x0000

REQUIRED VDD HEADROOM

TO MAINTAIN VOUTx = 5V

Figure 34. Source and Sink Capability at VDD = 5 V

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