AD7846 Ver la hoja de datos (PDF) - Analog Devices

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AD7846

LC2MOS 16-Bit Voltage Output DAC

Analog Devices 

AD7846

TYPICAL PERFORMANCE CHARACTERISTICS

A1 –0.40V

1V 2mV

20µs

Figure 9. AC Feedthrough, VREF+ = 1 V rms, 10 kHz Sine Wave

8

VDD = +15V

7 VSS = –15V

VREF+ = +1V rms

6 VREF– = 0V

5

4

3

2

1

0

100

1k

10k

100k

1M

FREQUENCY (Hz)

Figure 10. AC Feedthrough to VOUT vs. Frequency

30

VDD = +15V

VSS = –15V

25 VREF+ = ±5V SINE WAVE

VREF– = 0V

GAIN = +2

20

15

10

5

0

10

100

1k

10k

100k

1M

10M

FREQUENCY (Hz)

Figure 11. Large Signal Frequency Response

500

450

VREF+ = VREF– = 0V

GAIN = +1

400

DAC LOADED WITH ALL 1s

350

300

250

200

150

100

50

0

100

1k

10k

100k

1M

FREQUENCY (Hz)

Figure 12. Noise Spectral Density

VOUT

50mV/DIV

DATA

0.5µs/DIV

5V/DIV

Figure 13. Digital-to-Analog Glitch Impulse Without Internal Deglitcher

(10…000 to 011…111 Transition)

VOUT

50mV/DIV

LDAC

5V/DIV

DATA

1µs/DIV

5V/DIV

Figure 14. Digital-to-Analog Glitch Impulse with Internal Deglitcher

(10…000 to 011…111 Transition)

Rev. G | Page 8 of 24

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