AD5666 datasheet(14/28 Pages) AD

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AD5666

Rev. A | Page 14 of 28

CURRENT (mA)

0.50

0.40

–0.50

–0.40

–0.30

–0.20

–0.10

0.10

0.20

0.30

–10

–8

–6

–4

–2

610

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 18. Headroom at Rails vs. Source and Sink

CURRENT (mA)

6.00

5.00

4.00

3.00

2.00

1.00

–1.00

–30

–20

–10

VDD =5V

VREFOUT =2.5V

TA =25°C

ZERO SCALE

FULL SCALE

MIDSCALE

1/4 SCALE

3/4 SCALE

Figure 19. Source and Sink Current Capability with VDD = 3 V

CURRENT (mA)

4.00

–1.00

1.00

2.00

3.00

–30

–20

–10

VDD =3V

VREFOUT =1.25V

TA =25°C

ZERO SCALE

FULL SCALE

MIDSCALE

1/4 SCALE

3/4 SCALE

Figure 20. Source and Sink Current Capability with VDD = 5 V

CODE

1.0

512

10512

20512

30512

40512

50512

60512

TA =25°C

VDD =VREF =3V

VDD =VREF =5V

0.1

0.5

0.6

0.8

0.9

0.7

0.2

0.3

0.4

Figure 21. Supply Current vs. Code

TEMPERATURE (°C)

1.0

0.1

0.5

0.6

0.8

0.9

0.7

0.2

0.3

0.4

–40

–20

100

VDD =VREFIN =3.6V

VDD =VREFIN =5.5V

Figure 22. Supply Current vs. Temperature

VDD (V)

1.0

2.7

3.2

4.2

3.7

5.2

4.7

TA =25°C

0.1

0.5

0.6

0.8

0.9

0.7

0.2

0.3

0.4

Figure 23. Supply Current vs. Supply Voltage

AD5666 Datasheet(PDF) 14 Page - Analog Devices

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