Datasheet

AD5040/AD5060
Rev. A | Page 11 of 24
04767-014
0
0
3.00
2.75
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
70000600005000040000300002000010000
I
DD
(mA)
DAC CODE
V
DD
= 3.0V, V
REF
= 2.5V
V
DD
= 5.5V, V
REF
= 4.096V
T
A
= 25 ° C
Figure 22. Typical Supply Current vs. Digital Input Code
1
04767-017
CH2 50mV/DIV CH1 2V/DIV TIME BASE 400ns/DIV
24TH CLOCK FALLING
CH1 = SCLK
CH2 = V
OUT
Figure 23. AD5060 Digital-to-Analog Glitch Impulse
(See Figure 24)
0.117
0.101
0.102
0.103
0.104
0.105
0.106
0.107
0.108
0.109
0.111
0.110
0.112
0.113
0.114
0.115
0.116
0
25 50 75
100 125 150 175 200 225 250 275 300 325 350 375 400 425 450 475 500 525
04767-043
AMPLITUDE
SAMPLES
V
DD
= 5V
V
REF
= 4.096V
R = 5kΩ
C = 220pF
CODE = 57386
Figure 24. AD5060 Digital-to-Analog Glitch Energy
1
AD5060 only.
04767-020
V
DD
= 3V
DAC = FULL SCALE
V
REF
= 2.7V
T
A
= 25°C
Y AXIS = 2μV/DIV
X AXIS = 4s/DIV
Figure 25. 0.1 Hz to 10 Hz Noise Plot
04767-091
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1
0
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
5.55.3
HEADROOM (V)
REFERENCE VOLTAGE (V)
Figure 26. V
DD
Headroom vs. Reference Voltage
5.05
5.00
4.95
4.90
4.85
4.80
4.75
4.70
4.65
4.60
4.55
4.70 4.72 4.74 4.76 4.78 4.80 4.82 4.84 4.86 4.88 4.90 4.92 4.94 4.96 4.98 5.00
04767-042
DAC OUTPUT VOLTAGE (V)
V
REF
(V)
V
DD
= 5.0V
T
A
= 25 ° C
DAC = FULL-SCALE
Figure 27. Output Voltage vs. Reference Voltage