AD5313R View Datasheet(PDF) - Analog Devices

Part Name

Description

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AD5313R

Dual, 10-Bit nanoDAC with 2 ppm/°C Reference, SPI Interface

Analog Devices 

Data Sheet

0

–0.01

–0.02

–0.03

–0.04

–0.05

–0.06

–0.07

–0.08

–0.09

–0.10

VDD = 5V

TA = 25°C

INTERNAL REFERENCE = 2.5V

0

10000 20000 30000

40000

CODE

50000 60000 65535

Figure 26. Total Unadjusted Error vs. Code

VDD = 5V

25 TA = 25°C

EXTERNAL

REFERENCE = 2.5V

20

15

10

5

0

540

560

580

600

620

640

IDD FULL SCALE (V)

Figure 27. IDD Histogram with External Reference, VDD = 5 V

30

VDD = 5V

TA = 25°C

INTERNAL

REFERENCE = 2.5V

25

20

15

10

5

0

1000

1020

1040 1060 1080 1100

IDD FULL SCALE (V)

1120

1140

Figure 28. IDD Histogram with Internal Reference, VREF = 2.5 V, Gain = 2

AD5313R

1.0

0.8

0.6

0.4

0.2

0

–0.2

–0.4

–0.6

–0.8

–1.0

0

SINKING 2.7V

SINKING 5V

SOURCING 5V

SOURCING 2.7V

5

10

15

20

25

30

LOAD CURRENT (mA)

Figure 29. Headroom/Footroom vs. Load Current

7

VDD = 5V

6 TA = 25°C

GAIN = 2

INTERNAL

5 REFERENCE = 2.5V

FULL SCALE

4

THREE-QUARTER SCALE

3

MIDSCALE

2

ONE-QUARTER SCALE

1

ZERO SCALE

0

–1

–2

–0.06 –0.04 –0.02

0

0.02

0.04

0.06

LOAD CURRENT (A)

Figure 30. Source and Sink Capability at VDD = 5 V

5

VDD = 3V

TA = 25°C

4 EXTERNAL REFERENCE = 2.5V

GAIN = 1

3

FULL SCALE

2

THREE-QUARTER SCALE

MIDSCALE

1

ONE-QUARTER SCALE

0

ZERO SCALE

–1

–2

–0.06 –0.04 –0.02

0

0.02

0.04

0.06

LOAD CURRENT (A)

Figure 31. Source and Sink Capability at VDD = 3 V

Rev. 0 | Page 13 of 28

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