AD7946 Analog Devices, AD7946 Datasheet - Page 10

• Manufacturer Part Number: AD7946
• Manufacturer: Analog Devices

Specifications of AD7946

• Resolution (bits): 14bit
• # Chan: 1
• Sample Rate: 500kSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: (Vref) p-p
• Adc Architecture: SAR
• Pkg Type: CSP,SOP

AD7946
1000
1000
1000
750
500
250
750
500
250
750
500
250
0
0
–55
4.50
0
–55
Figure 19. Power-Down Current vs. Temperature
Figure 20. Operating Current vs. Temperature
–35
–35
Figure 18. Operating Current vs. Supply
–15
–15
4.75
5
5
VDD = 5V
TEMPERATURE (°C)
TEMPERATURE (°C)
SUPPLY (V)
25
25
5.00
VIO
45
45
VDD
VIO
65
65
VDD+VIO
5.25
f
f
85
85
S
S
= 100kSPS
= 100kSPS
105
105
5.50
125
125
Rev. A | Page 10 of 24
–1
–2
–3
25
20
15
10
–55
3
2
1
0
5
0
Figure 22. t
0
Figure 21. Offset and Gain Error vs. Temperature
–35
20
DSDO
–15
Delay vs. Capacitance Load and Supply
SDO CAPACITIVE LOAD (pF)
5
40
TEMPERATURE (°C)
25
60
45
VDD = 5V, 85°C
VDD = 5V, 25°C
65
80
OFFSET ERROR
GAIN ERROR
85
100
105
125
120