Datasheet

AD7623
Rev. 0 | Page 14 of 28
91.0
89.0
–60 0
05574-017
INPUT LEVEL (dB)
SNR, SINAD REFERRED TO FULL-SCALE (dB)
90.5
90.0
89.5
–50 –40 –30 –20 –10
SNR
SINAD
Figure 17. SNR and SINAD vs. Input Level (Referred to Full Scale)
05574-018
TEMPERATURE (°C)
DVDD, OVDD (μA)
AVDD (μA)
0
16
14
12
10
8
6
4
2
200
280
270
260
250
240
230
220
210
–55 –35 –15 5 25 45 65 85 105 125
AVDD
DVDD
OVDD, 3.3V
OVDD, 2.5V
Figure 18. Power-Down Operating Currents vs. Temperature
00574-019
SAMPLING RATE (SPS)
OPERATING CURRENTS (
μ
A)
0.1
100k
10k
1k
100
10
1
10 100 1k 10k 100M 1M 10M
AVDD
DVDD
OVDD, 2.5V
PDREF = PDBUF = HIGH
OVDD = 3.3V
Figure 19. Operating Currents vs. Sample Rate
05574-020
C
L
(pF)
t
12
DELAY (ns)
4
6
8
10
12
14
16
18
20
0 50 100 150 200
OVDD = 2.5V @ 85°C
OVDD = 2.5V @ 25°C
OVDD = 3.3V @ 85°C
OVDD = 3.3V @ 25°C
Figure 20. Typical Delay vs. Load Capacitance C
L