AD5780 datasheet(16/28 Pages) AD

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AD5790

Data Sheet

Rev. B | Page 16 of 28

–1

012

345

TIME (µs)

VREFP = +10V

VREFN = –10V

RC LOW-PASS FILTER

UNITY GAIN MODE

ADA4898-1

Figure 42. 500 Code Step Settling Time

CODE

NEGATIVE CODE

CHANGE

POSITIVE CODE

CHANGE

VREFP = +10V

VREFN = –10V

UNITY GAIN MODE

ADA4898-1

RC LOW-PASS FILTER

NEGATIVE

POSITIVE

Figure 43. 6 MSB Segment Glitch Energy for ±10 V VREF

4.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

CODE

NEGATIVE

POSITIVE

VREFP = 10V

VREFN = 0V

UNITY GAIN MODE

ADA4898-1

RC LOW-PASS FILTER

Figure 44. 6 MSB Segment Glitch Energy for 10 V VREF

CODE

NEGATIVE

POSITIVE

VREFP = 5V

VREFN = 0V

UNITY GAIN MODE

ADA4898-1

RC LOW-PASS FILTER

Figure 45. 6 MSB Segment Glitch Energy for 5 V VREF

–25

–15

–5

TIME (µs)

VREFP = +10V

VREFN = –10V

RC LOW-PASS FILTER

UNITY GAIN MODE

ADA4898-1

±10V SPAN

+10V SPAN

+5V SPAN

Figure 46. Midscale Peak-to-Peak Glitch for ±10 V

800

600

400

200

–200

–400

–600

567

TIME (Seconds)

MIDSCALE CODE LOADED

OUTPUT UNBUFFERED

AD8676 REFERENCE BUFFERS

TA = 25°C

VDD = +15V

VSS = –15V

VREFP = +10V

VREFN = –10V

Figure 47. Voltage Output Noise, 0.1 Hz to 10 Hz Bandwidth

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