AD5725 Ver la hoja de datos (PDF) - Analog Devices

Número de pieza

componentes Descripción

Fabricante

AD5725

Quad, 12-Bit, Parallel Input, Unipolar/Bipolar, Voltage Output DAC

Analog Devices 

Data Sheet

0.3

0.2

DAC A

DAC B

DAC C

DAC D

0.1

0

–0.1

AVDD = +15V

–0.2

AVSS = –15V

VREFP = +10V

VREFN = –10V

TA = 25°C

–0.3

0

500 1000

1500 2000 2500

DAC (Code)

3000

3500

4000

Figure 13. Channel-to-Channel Matching (VSUPPLY = ±15 V)

0.3

0.2

DAC A

DAC B

DAC C

0.1

DAC D

0

–0.1

–0.2

AVDD = 5V

AVSS = 0V

–0.3 VREFP = 2.5V

VREFN = 0V

TA = 25°C

–0.4

0 500 1000

1500

2000

2500

3000

3500

4000

DAC (Code)

Figure 14. Channel-to-Channel Matching (VSUPPLY = +5 V)

16

14

12

10

8

6

4 AVDD = +15V

AVSS = –15V

2

VREFN = –10V

DIGITAL INPUTS HIGH

TA = 25°C

0

–7 –5 –3 –1 1 3 5 7

VREFP (V)

Figure 15. IDD vs. VREFP

9 11 13

AD5725

0.4

0.3

+85°C

0.2

+25°C

–40°C

0.1

0

–0.1

–0.2

AVDD = +15V

–0.3

AVSS = –15V

VREFP = +10V

VREFN = –10V

–0.4

0

500 1000

1500

2000

2500

3000

DAC (Code)

Figure 16. INL vs. DAC Code

3500

4000

0.20

+85°C

+25°C

0.15

–40°C

0.10

0.05

0

–0.05

–0.10

AVDD = +15V

–0.15

AVSS = –15V

VREFP = +10V

VREFN = –10V

–0.20

0

500 1000

1500

2000

2500

3000

DAC (Code)

Figure 17. DNL vs. DAC Code

3500

4000

1.7995

AVDD = +15V

1.5995 AVSS = –15V

VREFP = +10V

VREFN = –10V

TA = 25°C

1.3995

1.1995

0.9995

0.7995

0.5995

0.3995

0.1995

–0.0005

0

500 1000 1500 2000 2500 3000 3500 4000

DAC (Code)

Figure 18. IVREFP vs. DAC Code

Rev. C | Page 11 of 20

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