EVAL-AD5680EB View Datasheet(PDF) - Analog Devices
Part Name
Description
MFG CO.
'EVAL-AD5680EB' PDF : 20 Pages View PDF
Data Sheet
2.502500
2.502250
2.502000
2.501750
2.501500
2.501250
2.501000
VDD = VREF = 5V
TA = 25°C
13ns/SAMPLE NUMBER
1 LSB CHANGE AROUND
MIDSCALE (0x20000 TO 0x1FFFF)
GLITCH IMPULSE = 2.723nV-s
2.500750
2.500500
2.500250
2.500000
2.499750
2.499500
2.499250
2.499000
2.498750
0
50 100 150 200 250 300 350 400 450 500 550
SAMPLE NUMBER
Figure 17. Digital-to-Analog Glitch Impulse (Negative)
2.5010
2.5008
2.5006
2.5004
2.5002
2.5000
2.4998
2.4996
2.4994
2.4992
2.4990
2.4988
2.4986
0
VDD = VREF = 5V
TA = 25°C
DAC LOADED WITH MIDSCALE
DIGITAL FEEDTHROUGH
= 0.201nV
50 100 150 200 250 300 350 400 450 500
SAMPLES × 6.5ns
Figure 18. Digital Feedthrough
–20
–30
–40
–50
–60
–70
–80
–90
–100
0
VDD = 5V
TA = 25°C
FULL SCALE LOADED
VREF = 2V ±300mV p-p
1 2 3 4 5 6 7 8 9 10
FREQUENCY (kHz)
Figure 19. Total Harmonic Distortion
AD5680
16
VREF = VDD
TA = 25°C
14
12
VDD = 3V
10
8
VDD = 5V
6
4
0 1 2 3 4 5 6 7 8 9 10
CAPACITANCE (nF)
Figure 20. Settling Time vs. Capacitive Load
VDD = VREF = 5V
TA = 25°C
DAC LOADED WITH MIDSCALE
VREF
1
5s/DIV
Figure 21. 0.1 Hz to 10 Hz Output Noise Plot
1000
900
800
700
600
500
400
300
200
100
0
100
VDD = VREF = 5V
TA = 25°C
MIDSCALE LOADED
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 22. Noise Spectral Density
Rev. C | Page 9 of 20
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