AD5689 datasheet(14/24 Pages) AD

14 / 24 page

AD5689/AD5687

Data Sheet

Rev. B | Page 14 of 24

CH1 2µV

M1.0s

A CH1

802mV

VDD = 5V

TA = 25°C

REFERENCE = 2.5V

Figure 32. 0.1 Hz to 10 Hz Output Noise Plot

–180

–160

–140

–120

–100

–80

–60

–40

–20

20000

16000

8000

12000

4000

2000

18000

10000

14000

6000

FREQUENCY (Hz)

VDD = 5V

TA = 25°C

REFERENCE = 2.5V

Figure 33. Total Harmonic Distortion at 1 kHz

3.0

3.1

3.2

3.3

3.4

3.5

3.6

3.7

3.8

3.9

4.0

1.590

1.630

1.620

1.600

1.610

1.625

1.605

1.615

1.595

TIME (ms)

0nF

0.1nF

10nF

0.22nF

4.7nF

VDD = 5V

TA = 25°C

REFERENCE = 2.5V

Figure 34. Settling Time vs. Capacitive Load

–60

–50

–40

–30

–20

–10

10k

10M

100k

FREQUENCY (Hz)

VDD = 5V

TA = 25°C

REFERENCE = 2.5V, ±0.1V p-p

Figure 35. Multiplying Bandwidth, Reference = 2.5 V, ±0.1 V p-p,

10 kHz to 10 MHz

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