ADUC7021 datasheet(28/92 Pages) AD

28 / 92 page

ADuC7019/20/21/22/24/25/26/27

Rev. A | Page 28 of 92

BIN

9000

1000

2000

3000

4000

5000

6000

7000

8000

1161

1162

1163

Figure 22. Code Histogram Plot, fs = 774 kSPS, VIN = 0.7 V

FREQUENCY (kHz)

–160

–140

–120

–100

–80

–60

–40

–20

100

200

fS = 774kSPS,

SNR = 69.3dB,

THD = –80.8dB,

PHSN = –83.4dB

Figure 23. Dynamic Performance, fS = 774 kSPS

FREQUENCY (kHz)

–160

–140

–120

–100

–80

–60

–40

–20

150

100

200

fS = 1MSPS,

SNR = 70.4dB,

THD = –77.2dB,

PHSN = –78.9dB

Figure 24. Dynamic Performance, fS = 1 MSPS

EXTERNAL REFERENCE (V)

–76

–88

–86

–84

–82

–80

–78

1.0

1.5

2.0

2.5

3.0

SNR

THD

Figure 25. Typical Dynamic Performance vs. VREF

TEMPERATURE (

°C)

–50

100

1000

1500

1450

1400

1350

1300

1250

1200

1150

1100

1050

150

Figure 26. On-Chip Temperature Sensor Voltage Output vs. Temperature

TEMPERATURE (°C)

39.8

39.7

38.9

39.0

39.1

39.2

39.3

39.4

39.5

39.6

–40

125

Figure 27. Current Consumption vs. Temperature @ CD = 0

ADUC7021 Datasheet(PDF) 28 Page - Analog Devices

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