AD7393(RevA) Просмотр технического описания (PDF) - Analog Devices

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Компоненты Описание

производитель

AD7393
(Rev.:RevA)

+3 V, Parallel Input Micropower 10- and 12-Bit DACs

Analog Devices 

AD7392/AD7393

1000

800

AD7393

VLOGIC = 0V TO VDD TO 0V

VREF = 2.5V

TA = 25؇C

600

a. VDD = 5.5V, CODE = 155H

b. VDD = 5.5V, CODE = 3FFH

400 c. VDD = 2.7V, CODE = 155H

d. VDD = 2.7V, CODE = 355H

a

b

c

200

d

0

1k

10k

100k

1M

10M

CLOCK FREQUENCY – Hz

Figure 14. Supply Current vs. Clock

Frequency

60

VDD = 5V ؎ 5%

50

TA = 25؇C

40

VDD = 3V ؎ 5%

30

20

10

0

10

100

1k

10k

FREQUENCY – Hz

Figure 15. Power Supply Rejection

vs. Frequency

40

30

VDD = +5V

VREF = +3V

CODE = ØØØH

20

10

0

0

1

2

3

4

5

VOUT – V

Figure 16. IOUT at Zero Scale vs. VOUT

TIME – 2␮s/DIV

Figure 17. Midscale Transition

Performance

TIME – 5␮s/DIV

Figure 18. Digital Feedthrough

TIME – 100␮s/DIV

Figure 19. Large Signal Settling Time

5

0

؊5

؊10

؊15

VDD = +5V

VREF = +100mV + 2VDC

DATA = FFFH

؊20

؊25

؊30

10

100

1k

10k

FREQUENCY – Hz

100k

Figure 20. Reference Multiplying

Bandwidth

2.0

AD7392

1.8

VDD = +5V

1.6

CODE = 768H

TA = 25؇C

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0.0

0

1

2

3

4

5

REFERENCE VOLTAGE – V

Figure 21. INL Error vs. Reference

Voltage

1.2

AD7392

SAMPLE SIZE = 50

1.0

0.8

CODE = FFFH

0.6

0.4

0.2

CODE = 000H

0.0

0

100 200 300 400 500 600

HOURS OF OPERATION AT 150؇C

Figure 22. Long-Term Drift

Accelerated by Burn-in

–6–

REV. A

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