AD7766-1 AD [Analog Devices], AD7766-1 Datasheet - Page 12

• Manufacturer Part Number: AD7766-1
• Description: 24-Bit, 8.5 mW, 109 dB, 128/64/32 kSPS ADCs
• Manufacturer: AD [Analog Devices]

AD7767
Figure 21. AD7767 Power Supply Sensitivity vs. Supply Ripple Frequency with
Figure 20. AD7767/AD7767-1/AD7767-2 SNR and THD vs. MCLK Frequency
Figure 19. AD7767/AD7767-1/AD7767-2 THD vs. MCLK Frequency
–110
–112
–114
–116
–118
–120
–122
–124
–126
–128
–130
115
114
113
112
111
110
109
108
107
150
140
130
120
110
100
0
0
0
100k
100k
10k
200k
200k
DV
300k
300k
DD
Decoupling Capacitors
20k
AD7767-1
FREQUENCY (Hz)
FREQUENCY (Hz)
400k
400k
AD7767-2
AD7767-1
f
NOISE
AD7767
500k
500k
30k
(Hz)
AD7767
AV
600k
600k
DD
AD7767-2
40k
700k
700k
V
DRIVE
800k
800k
50k
900k
900k
1M
1M
60k
Rev. 0 | Page 12 of 24
Figure 22. AD7767 CMRR vs. Common-Mode Ripple Frequency
120
115
110
105
100
200
180
160
140
120
100
250
200
150
100
95
90
80
60
40
20
50
0
0
0
Figure 24. AD7767-1 24-Bit Histogram
10k
Figure 23. AD7767 24-Bit Histogram
20k
FULL-SCALE 921Hz
DYNAMIC RANGE
OPEN INPUTS
f
NOISE
CODES
CODES
30k
(Hz)
MAX = 8388507
MIN = 8388608
SPREAD = 102 CODES
40k
MAX = 8388637
MIN = 8388493
SPREAD = 145
50k
60k