AD7719_15 datasheet(11/40 Pages) AD

No. de pieza	AD7719

Descripción Electrónicos	Low Voltage, Low Power

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Fabricante Electrónico	AD [Analog Devices]

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REV. A

AD7719

–11–

Typical Performance Characteristics–

READING NO.

8389600

8389400

8388000

0

1000

100

200

300

8389200

400

500

600

700

800

900

8389000

8388800

8388600

8388400

8388200

AVDD = DVDD = 5V

INPUT RANGE =

20mV

REFIN1(+)–REFIN1(–) = 2.5V

UPDATE RATE = 19.79Hz

MAIN ADC IN BUFFERED MODE

RMS NOISE = 0.58 V rms

TA = 25 C

VREF = 2.5V

TPC 1. Typical Noise Plot on ±20 mV Input Range with

19.79 Hz Update Rate

8

7

0

6

5

4

3

2

1

9

TPC 2. Noise Distribution Histogram

2.5

0

1.0

3.0

2.5

2.0

1.5

3.5

5.0

4.5

4.0

2.0

1.5

1.0

0.5

3.0

VREF (V)

20mV RANGE

2.56V RANGE

AVDD = DVDD = 5V

VREF = 2.5V

INPUT RANGE =

2.56V

UPDATE RATE = 19.79Hz

TA = 25 C

TPC 3. RMS Noise vs. Reference Input

16

040

30

20

10

50

100

90

80

70

60

24

22

20

18

26

UPDATE RATE (Hz)

110

TPC 4. No-Missing-Codes Performance

TEMPERATURE SENSOR ( C)

1400

1200

0

50

30

10

20

40

800

600

400

200

1000

THE AMBIENT

TEMPERATURE VARIES

FROM 25 C TO 30 C

WHILE RECORDING

THE DATA FROM

THE DEVICES.

TPC 5. Temperature Sensor Accuracy

MAIN CAL ACC. @ 4V ( V)

1200

0

20

0

–20

–10

10

800

600

400

200

1000

–30

TPC 6. Full-Scale Error Distribution

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AD7719 Datasheet(PDF) 11 Page - Analog Devices

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Descripción similar - AD7719_15

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