AD7685ARMZ datasheet(13/29 Pages) AD

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AD7685

Data Sheet

INPUT LEVEL (dB)

–10

–8

–6

–4

–2

–120

–105

–110

–115

SNR

THD

Figure 19. SNR and THD vs. Input Level

SUPPLY (V)

5.5

2.3

2.7

3.1

3.5

3.9

4.3

4.7

5.1

1000

750

500

250

VDD

VIO

fS = 100kSPS

Figure 20. Operating Currents vs. Supply

TEMPERATURE (°C)

125

–55

–35

–15

105

1000

750

500

250

VDD + VIO

Figure 21. Power-Down Currents vs. Temperature

TEMPERATURE (°C)

125

–55

–35

–15

105

1000

750

500

250

VDD = 5V

VIO

fS = 100kSPS

VDD = 2.5V

Figure 22. Operating Currents vs. Temperature

TEMPERATURE (°C)

125

–55

–35

–15

105

–2

–1

–4

–3

–6

–5

GAIN ERROR

OFFSET ERROR

Figure 23. Offset and Gain Error vs. Temperature

SDO CAPACITIVE LOAD (pF)

120

100

VDD = 2.5V, 85°C

VDD = 3.3V, 25°C

VDD = 3.3V, 85°C

VDD = 5V, 85°C

VDD = 5V, 25°C

VDD = 2.5V, 25°C

Figure 24. tDSDO Delay vs. Capacitance Load and Supply

Rev. D | Page 12 of 28

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