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AD7621 Datasheet(PDF) 14 Page - Analog Devices

Part # AD7621
Description  16-Bit, 1.5 LSB INL, 2 MSPS PulSAR ADC
PDF  28 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7621 Datasheet(HTML) 14 Page - Analog Devices

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AD7622
Rev. 0 | Page 14 of 28
93.0
92.0
91.5
92.5
91.0
–60
–50
–40
–30
–20
–10
0
INPUT LEVEL (dB)
SNR
SINAD
Figure 18. SNR and SINAD vs. Input Level (Referred to Full Scale)
16
0
–55
125
TEMPERATURE (°C)
14
12
10
8
6
4
2
–35
–15
5
25456585
105
DVDD
OVDD, 3.3V
OVDD, 2.5V
AVDD
Figure 19. Power-Down Operating Currents vs. Temperature
100k
0.01
10
10M
SAMPLING RATE (SPS)
100
1k
10k
100k
1M
0.1
1
10
100
1k
10k
AVDD
DVDD
OVDD = 3.3V, ALL MODES
OVDD = 2.5V, ALL MODES
PDREF = PDBUF = HIGH
Figure 20. Operating Currents vs. Sample Rate
20
4
4
CL (pF)
18
16
14
12
10
8
6
50
100
150
200
OVDD = 2.5V @ 85°C
OVDD = 3.3V @ 85°C
OVDD = 3.3V @ 25°C
OVDD = 2.5V @ 25°C
Figure 21. Typical Delay vs. Load Capacitance CL



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