AD7942 Analog Devices, AD7942 Datasheet - Page 11

• Manufacturer Part Number: AD7942
• Manufacturer: Analog Devices

Specifications of AD7942

• Resolution (bits): 14bit
• # Chan: 1
• Sample Rate: 250kSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: (Vref) p-p,Uni (Vref)
• Adc Architecture: SAR
• Pkg Type: CSP,SOP

1000
1000
900
800
700
600
500
400
300
200
100
750
500
250
0
0
–55
–55
Figure 17. Power-Down Currents vs. Temperature
Figure 18. Operating Currents vs. Temperature
–35
–35
–15
–15
5
5
TEMPERATURE (°C)
TEMPERATURE (°C)
VDD = 2.5V
VDD = 5V
25
25
VIO
45
45
65
65
VDD + VIO
f
S
85
85
= 100kSPS
105
105
125
125
Rev. B | Page 11 of 24
25
20
15
10
5
0
–1
–2
–3
–4
–5
–6
Figure 20. t
6
5
4
3
2
1
0
0
–55
Figure 19. Offset Error and Gain Error vs. Temperature
–35
20
DSDO
VDD = 3.3V, 25°C
VDD = 2.5V, 25°C
–15
Delay vs. SDO Capacitance Load and Supply
SDO CAPACITIVE LOAD (pF)
VDD = 3.3V, 85°C
40
5
TEMPERATURE (°C)
VDD = 2.5V, 85°C
25
60
OFFSET ERROR
45
GAIN ERROR
VDD = 5V, 25°C
80
65
VDD = 5V, 85°C
85
100
105
AD7942
120
125