AD7392AN datasheet(5/11 Pages) AD

Il numero della parte	AD7392AN

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

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Produttore elettronici	AD [Analog Devices]

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AD7392/AD7393

–5–

REV. A

Typical Performance Characteristics–

CODE – Decimal

1

–1

0.4

–0.8

0.8

0.6

0.2

–0.4

0

–0.2

–0.6

0

512 1024

4096

1536 2048 2560 3072 3584

VDD = 2.7V

VREF = 2.5V

TA = 25 C

AD7392

Figure 5. AD7392 Integral Nonlinear-

ity Error vs. Code

AD7393

SS = 300 UNITS

TA = 25 C

VDD = 2.7V

VREF = 2.5V

TOTAL UNADJUSTED ERROR – LSB

100

0

–10

40

20

80

60

–3.3 3.3 10

16 23

30

36

43

50

90

70

50

30

10

Figure 8. AD7393 Total Unadjusted

Error Histogram

VIN – Volts

0.0

0.5

3.0

1.0

1.5

2.0

2.5

100

95

50

70

65

60

55

90

75

80

85

VLOGIC FROM

3.0V TO 0V

VLOGIC FROM

0V TO 3.0V

AD7392

TA = 25 C

VDD = 3.0V

Figure 11. Supply Current vs. Logic

Input Voltage

CODE – Decimal

1

–1

0.4

–0.8

0.8

0.6

0.2

–0.4

0

–0.2

–0.6

0

128

256

1024

384

512

640

768

896

VDD = 2.7V

VREF = 2.5V

TA = 25 C

AD7393

Figure 6. AD7393 Integral Nonlinear-

ity Error vs. Code

FULL SCALE TEMPCO – ppm/ C

0

–66

12

6

24

18

–60 –52 –46 –40 –32 –26 –20 –12 –6

30

0

AD7393

SS = 100 UNITS

TA = 40 to 85 C

VDD = 2.7V

VREF = 2.5V

Figure 9. AD7393 Full-Scale Output

Tempco Histogram

SUPPLY VOLTAGE – V

12

7

34

56

5.0

4.5

0.0

2.0

1.5

1.0

0.5

4.0

2.5

3.0

3.5

VLOGIC FROM

HIGH TO LOW

VLOGIC FROM

LOW TO HIGH

AD7392

CODE = FFFH

VREF = 2V

RS LOGIC VOLTAGE

VARIED

Figure 12. Logic Threshold vs.

Supply Voltage

TOTAL UNADJUSTED ERROR – LSB

25

0

5.0

10

5

20

15

5.8 6.6 7.3 8.1 8.9 9.7 10.5 11.2 12.0

AD7392

SS = 100 UNITS

TA = 25 C

VDD = 2.7V

VREF = 2.5V

Figure 7. AD7392 Total Unadjusted

Error Histogram

FREQUENCY – Hz

10

8

0

1

10

100k

100

1k

10k

6

4

2

12

14

16

AD7392

VDD = 5V

VREF = 2.5V

TA = 25 C

Figure 10. Voltage Noise Density vs.

Frequency

TEMPERATURE – C

100

20

55

35

125

15

5

25

65

85 105

45

90

60

50

40

30

80

70

AD7392

SAMPLE SIZE = 300 UNITS

VDD = 5.0V, VLOGIC = 0V

VDD = 3.0V, VLOGIC = 0V

VDD = 3.6V, VLOGIC = 2.4V

Figure 13. Supply Current vs.

Temperature

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Analog Devices	AD7392AN	458Kb / 20P	3 V, Parallel Input Micropower 10-/12-Bit DACs REV. C
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