AD7997 datasheet(13/32 Pages) AD

13 / 32 page

AD7997/AD7998

Rev. 0 | Page 13 of 32

–1.0

–0.8

–0.6

–0.4

–0.2

0.2

0.4

0.6

0.8

1.0

2000

1500

500

1000

2500

3000

3500

4000

CODE

Figure 10. Typical INL, VDD = 2.7 V, Mode 1, 3.4 MHz fSCL, 121 kSPS

–1.0

–0.8

–0.6

–0.4

–0.2

0.2

0.4

0.6

0.8

1.0

2000

1500

500

1000

2500

3000

3500

4000

CODE

Figure 11. Typical DNL, VDD = 2.7 V, Mode 1, 3.4 MHz fSCL, 121 kSPS

REFERENCE VOLTAGE (V)

–1.0

–0.8

-0.6

–0.4

–0.2

0.2

0.4

0.6

0.8

1.0

1.2

1.7

2.2

2.7

3.2

3.7

4.2

4.7

POSITIVE INL

NEGATIVE INL

Figure 12. AD7998 Change in INL vs. Reference Voltage VDD = 5 V,

Mode 1, 121 kSPS

REFERENCE VOLTAGE (V)

–1.0

–0.8

-0.6

–0.4

–0.2

0.2

0.4

0.6

0.8

1.0

1.2

1.7

2.2

2.7

3.2

3.7

4.2

4.7

POSITIVE DNL

NEGATIVE DNL

Figure 13. AD7998 Change in DNL vs. Reference Voltage VDD = 5 V,

Mode 1, 121 kSPS

SUPPLY VOLTAGE (V)

0.0001

0.0002

0.0003

0.0004

0.0005

0.0006

0.0007

2.7

3.2

3.7

4.2

4.7

5.2

+25

°C

+85

°C

–40

°C

Figure 14. AD7998 Shutdown Current vs. Supply Voltage,

–40°C, +25°C, and +85°C

SCL FREQUENCY (kHz)

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

100

600

1100

1600

2100

2600

3100

MODE 1

VDD = 5V

MODE 1

VDD = 3V

MODE 2

VDD = 5V

MODE 2

VDD = 3V

Figure 15. AD7998 Average Supply Current vs. I2C Bus Rate for

VDD = 3 V and 5 V

AD7997 Datasheet(PDF) 13 Page - Analog Devices

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