Datasheet

AD7641
Rev. 0 | Page 14 of 28
96.0
93.0
–60 0
INPUT LEVEL (dB)
SNR, SINAD REFERRED TO FULL SCALE (dB)
04761-017
95.5
95.0
94.5
94.0
93.5
–50 –40 –30 –20 –10
SNR
SINAD
Figure 17. SNR and SINAD vs. Input Level (Referred to Full Scale)
16
0
–55 125
TEMPERATURE (°C)
DVDD, OVDD (µA)
04761-018
14
12
10
8
6
4
2
–35 –15 5 25 45 65 85 105
DVDD
OVDD, 3.3V
OVDD, 2.5V
AVDD
Figure 18. Power-Down Operating Currents vs. Temperature
100000
0.01
10 10M
SAMPLING RATE (SPS)
OPERATING CURRENTS (µA)
04761-019
100 1k 10k 100k 1M
0.1
1
10
100
1000
10000
AVDD
DVDD
OVDD = 2.5V, ALL MODES
OVDD = 3.3V, ALL MODES
PDREF = PDBUF = HIGH
Figure 19. Operating Current vs. Sample Rate
20
4
4
04761-020
C
L
(pF)
t
12
DELAY (ns)
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 20. Typical Delay vs. Load Capacitance C
L