AD5781BRUZ Ver la hoja de datos (PDF) - Analog Devices

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AD5781BRUZ

True 18-Bit, Voltage Output DAC ±0.5 LSB INL, ±0.5 LSB DNL

Analog Devices 

Data Sheet

0.16

0.14

0.12

0.10

0.08

TA = 25°C

VDD = +15V

VSS = –15V

0.06

AD8676 REFERENCE BUFFERS

AD8675 OUTPUT BUFFER

0.04

0.02

0

5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0

VREFP/|VREFN| (V)

Figure 29. Zero-Scale Error vs. Reference Voltage

0.03

0.02

0.01

0

–0.01

–0.02

–0.03

–0.04

TA = 25°C

VDD = +15V

VSS = –15V

AD8676 REFERENCE BUFFERS

AD8675 OUTPUT BUFFER

–0.05

5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0

VREFP/|VREFN| (V)

Figure 30. Midscale Error vs. Reference Voltage

0.04

TA = 25°C

0.03

VDD = +15V

VSS = –15V

0.02

AD8676 REFERENCE BUFFERS

AD8675 OUTPUT BUFFER

0.01

0

–0.01

–0.02

–0.03

–0.04

5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0

VREFP/|VREFN| (V)

Figure 31. Full-Scale Error vs. Reference Voltage

AD5781

–0.30

–0.35

–0.40

TA = 25°C

VDD = +15V

VSS = –15V

AD8676 REFERENCE BUFFERS

AD8675 OUTPUT BUFFER

–0.45

–0.50

–0.55

–0.60

5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0

VREFP/|VREFN| (V)

Figure 32. Gain Error vs. Reference Voltage

0.3

±10V SPAN

0.2

+10V SPAN

±5V SPAN

0.1

0

–0.1

–0.2

–0.3

–0.4

–0.5

AD8676 REFERENCE BUFFERS

AD8675 OUTPUT BUFFER

VDD = +15V

VSS = –15V

VREFP = +10V

VREFN = –15V

–0.6

–55 –35 –15

5 25 45 65

TEMPERATURE (°C)

85 105 125

Figure 33. Full-Scale Error vs. Temperature

0.40

±10V SPAN

0.35

+10V SPAN

±5V SPAN

0.30

0.25

0.20

0.15

0.10

0.05

AD8676 REFERENCE BUFFERS

AD8675 OUTPUT BUFFER

VDD = +15V

VSS = –15V

VREFP = +10V

VREFN = –15V

0

–55 –35 –15

5 25 45 65

TEMPERATURE (°C)

85 105 125

Figure 34. Midscale Error vs. Temperature

Rev. E | Page 13 of 27

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