AD5663 datasheet(14/32 Pages) AD

14 / 32 page

AD5623R/AD5643R/AD5663R

Data Sheet

Rev. F | Page 14 of 32

VDD (V)

1.0

0.5

–2.0

–1.5

–1.0

–0.5

–2.5

2.7

3.2

4.2

3.7

5.2

4.7

ZERO-SCALE ERROR

OFFSET ERROR

TA = 25°C

Figure 28. Zero-Scale Error and Offset Error vs. Supply

IDD (mA)

0.230

0.235

0.240

0.245

0.250

0.255

VDD = 5.5V

TA = 25°C

Figure 29. IDD Histogram with External Reference

IDD (mA)

0.78

0.80

0.82

0.84

VDD = 5.5V

TA = 25°C

Figure 30. IDD Histogram with Internal Reference

CURRENT (mA)

0.5

0.4

–0.5

–0.4

–0.3

–0.2

–0.1

0.1

0.2

0.3

–10

–8

–6

–4

–2

VDD = 3V

VREFOUT = 1.25V

VDD = 5V

VREFOUT = 2.5V

DAC LOADED WITH

ZERO-SCALE

SINKING CURRENT

DAC LOADED WITH

FULL-SCALE

SOURCING CURRENT

Figure 31. Headroom at Rails vs. Source and Sink

CURRENT (mA)

–1

–30

–20

–10

VDD = 5V

VREFOUT = 2.5V

TA = 25°C

ZERO SCALE

FULL SCALE

MIDSCALE

1/4 SCALE

3/4 SCALE

Figure 32. AD56x3R-5 Source and Sink Capability

CURRENT (mA)

–1

–30

–20

–10

VDD = 3V

VREFOUT = 1.25V

TA = 25°C

ZERO SCALE

FULL SCALE

MIDSCALE

1/4 SCALE

3/4 SCALE

Figure 33. AD56x3R-3 Source and Sink Capability

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