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AD7846
(Rev.:RevE)

LC2MOS 16-Bit Voltage Output DAC

Analog Devices 

AD7846–Typical Performance Curves

8

VDD = +15V

VSS = –15V

VREF+ = +1Vrms

6 VREF– = 0V

4

2

Figure 4. AC Feedthrough. VREF+ =

1 V rms, 10 kHz Sine Wave

0

102

103

104

105

106

FREQUENCY – Hz

Figure 5. AC Feedthrough vs.

Frequency

30

VDD = +15V

VSS = –15V

VREF+ = ؎5V SINE WAVE

VREF– = 0V

GAIN = +2

20

10

0

101 102 103 104 105 106 107

FREQUENCY – Hz

Figure 6. Large Signal Frequency

Response

500

VREF+ = VREF– = 0V

GAIN = +1

400 DAC LOADED WITH ALL 1s

300

200

100

0

102

103

104

105

106

FREQUENCY – Hz

Figure 7. Noise Spectral Density

VOUT

50mV/DIV

VOUT

50mV/DIV

LDAC

5V/DIV

DATA

5V/DIV

DATA

5V/DIV

0.5␮s/DIV

Figure 8. Digital-to-Analog Glitch

Impulse Without Internal Deglitcher

(10 . . . 000 to 011 . . . 111 Transition)

1␮s/DIV

Figure 9. Digital-to-Analog Glitch

Impulse With Internal Deglitcher

(10 . . . 000 to 011 . . . 111 Transition)

Figure 10. Pulse Response

(Large Signal)

Figure 11. Pulse Response

(Small Signal)

Figure 12. Spectral Response of

Digitally Constructed Sine Wave

–6–

REV. E

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