AD7392 データシートの表示（PDF） - Analog Devices

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AD7392

3 V, Parallel Input Micropower 10-/12-Bit DACs

Analog Devices 

AD7392/AD7393

2µs

VOUT

(5mV/DIV)

AD7392

CS

(5V/DIV)

20mV

VDD = 5V

VREF = 2.5V

fCLK = 50kHz

CODE: 0x7F TO 0x80

TIME (2µs/DIV)

Figure 17. Midscale Transition Performance

5µs

VOUT

(5mV/DIV)

VDD = 5V

VREF = 2.5V

CS = HIGH

5mV

D0 TO D11

(5V/DIV)

TIME (5µs/DIV)

Figure 18. Digital Feedthrough

100µs

AD7392

VOUT

(1V/DIV)

CS

(5V/DIV)

VDD = 5V

VREF = 2.5V

1V

TIME (100µs/DIV)

Figure 19. Large Signal Settling Time

5

0

–5

VDD = 5V

–10

VREF = 100mV + 2VDC

DATA = 0xFFF

–15

–20

–25

–30

10

100

1k

10k

100k

FREQUENCY (Hz)

Figure 20. Reference Multiplying Bandwidth

2.0

AD7392

1.8

VDD = 5V

CODE = 0x768

1.6

TA = 25°C

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0

0

1

2

3

4

5

REFERENCE VOLTAGE (V)

Figure 21. Integral Nonlinearity Error vs. Reference Voltage

1.2

AD7392

SAMPLE SIZE = 50

1.0

0.8

CODE = 0xFFF

0.6

0.4

CODE = 0x000

0.2

0

0

100

200

300

400

500

600

HOURS OF OPERATION AT 150°C

Figure 22. Long-Term Drift Accelerated by Burn-In

Rev. C | Page 10 of 20

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