AD5726 Ver la hoja de datos (PDF) - Analog Devices

Número de pieza

componentes Descripción

Fabricante

AD5726

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

Analog Devices 

AD5726

0

–0.1

–0.2

AVDD = +15V

AVSS = –15V

VREFP = +10V

VREFN = –10V

2kΩ LOAD

–0.3

–0.4

DAC B

–0.5

DAC D

DAC C

–0.6

–0.7

–40 –20

0

DAC A

20

40

60

80 100 120

TEMPERATURE (°C)

Figure 13. Full-Scale Error vs. Temperature

0.5

AVDD = +15V

0.4

AVSS = –15V

VREFP = +10V

VREFN = –10V

0.3 2kΩ LOAD

0.2

0.1

DAC D

0

DAC B

–0.1

–0.2

–0.3

–40

DAC A

DAC C

–20

0

20

40

60

80

TEMPERATURE (°C)

100 120

Figure 14. Zero-Scale Error vs. Temperature

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 15. Channel-to-Channel Matching

Data Sheet

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

DAC (Code)

3000

3500

Figure 16. Channel-to-Channel Matching

4000

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 9 11 13

VREFP (V)

Figure 17. AIDD vs. VREFP, All DACs Loaded with Full-Scale Code

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 10 of 20

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