AD7622 Analog Devices, AD7622 Datasheet - Page 14

• Manufacturer Part Number: AD7622
• Manufacturer: Analog Devices

Specifications of AD7622

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 2MSPS
• Interface: Byte,Par,Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: (2Vref) p-p
• Adc Architecture: SAR
• Pkg Type: CSP,QFP

AD7622
Figure 18. SNR and SINAD vs. Input Level (Referred to Full Scale)
Figure 19. Power-Down Operating Currents vs. Temperature
93.0
92.5
92.0
91.5
91.0
16
14
12
10
8
6
4
2
0
–55
–60
SINAD
–35
–50
–15
SNR
5
–40
TEMPERATURE (°C)
INPUT LEVEL (dB)
25
–30
45
OVDD, 2.5V
OVDD, 3.3V
65
–20
DVDD
85
–10
105
AVDD
125
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0
100k
0.01
10k
100
0.1
1k
10
1
20
18
16
14
12
10
10
8
6
4
4
OVDD = 3.3V, ALL MODES
Figure 21. Typical Delay vs. Load Capacitance C
Figure 20. Operating Currents vs. Sample Rate
OVDD = 2.5V @ 25°C
AVDD
100
OVDD = 2.5V @ 85°C
50
1k
SAMPLING RATE (SPS)
OVDD = 3.3V @ 85°C
100
OVDD = 2.5V, ALL MODES
C
10k
L
(pF)
OVDD = 3.3V @ 25°C
PDREF = PDBUF = HIGH
DVDD
100k
150
1M
200
L
10M