Datasheet

AD7946
Rev. A | Page 10 of 24
04656-048
0
250
500
750
1000
4.50 4.75 5.00 5.25 5.50
SUPPLY (V)
OPER
A
TING CURRENT (µA)
VDD
VIO
f
S
= 100kSPS
Figure 18. Operating Current vs. Supply
04656-050
0
250
500
750
1000
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
POWER-DOWN CURRENT (nA)
VDD+VIO
Figure 19. Power-Down Current vs. Temperature
04656-049
0
250
500
750
1000
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
OPER
A
TING CURRENT (µA)
VDD = 5V
VIO
f
S
= 100kSPS
Figure 20. Operating Current vs. Temperature
TEMPERATURE (°C)
OFFSET AND GAIN ERROR (LSB)
04656-021
3
2
1
0
–1
–2
–3
–55 –35 –15 5 25 45 65 85 105 125
OFFSET ERROR
GAIN ERROR
Figure 21. Offset and Gain Error vs. Temperature
0
4
6
5
6
-
0
2
2
SDO CAPACITIVE LOAD (pF)
1200 20406080100
T
DSDO
DELAY (ns)
25
20
15
10
5
0
VDD = 5V, 85°C
VDD = 5V, 25°C
Figure 22. t
DSDO
Delay vs. Capacitance Load and Supply