AD7147 datasheet(11/71 Pages) AD

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AD7147

Data Sheet

TYPICAL PERFORMANCE CHARACTERISTICS

935

795

2.6

3.7

VCC (V)

915

895

875

855

835

815

2.7

2.8

2.9

3.0

3.1

3.2

3.3

3.4

3.5

3.6

DECIMATION = 256

DECIMATION = 128

DECIMATION = 64

Figure 7. Supply Current vs. Supply Voltage

180

2.5

3.7

VCC (V)

160

140

120

100

200ms

400ms

600ms

800ms

2.7

2.9

3.1

3.3

3.5

Figure 8. Low Power Supply Current vs. Supply Voltage,

Decimation Rate = 256

0.12

2.5

3.7

VCC (V)

0.10

0.08

0.06

0.04

0.02

400ms

800ms

600ms

200ms

2.7

2.9

3.1

3.3

3.5

Figure 9. Low Power Supply Current vs. Supply Voltage,

Decimation Rate = 128

VCC (V)

600ms

800ms

200ms

400ms

2.5

3.7

2.7

2.9

3.1

3.3

3.5

Figure 10. Low Power Supply Current vs. Supply Voltage,

Decimation Rate = 64

2.5

2.7

VCC (V)

2.0

1.5

1.0

0.5

2.8

2.9

3.0

3.1

3.2

3.3

3.4

3.5

3.6

Figure 11. Shutdown Supply Current vs. Supply Voltage

1150

900

ACSHIELD CAPACITIVE LOAD (pF)

1100

1050

1000

950

100

200

300

400

500

Figure 12. Supply Current vs. Capacitive Load on ACSHIELD

Rev. E | Page 10 of 70

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