AD977/AD977A
50
45
40
35
30
25
20
15
10
5
0
POSITIVE INL – LSB
Figure 20. Typical Positive INL Distribution (999 Units)
60
50
40
30
20
10
0
NEGATIVE INL – LSB
Figure 21. Typical Negative INL Distribution (999 Units)
120
100
80
60
40
20
0
POSITIVE DNL – LSB
Figure 22. Typical Positive DNL Distribution (999 Units)
90
80
70
60
50
40
30
20
10
0
NEGATIVE DNL – LSB
Figure 23. Typical Negative DNL Distribution (999 Units)
90
SNR+D (dB) FOR AD977A
80
70
60
50
SNR+D (dB) FOR AD977
40
30
20
10
1
10
100
1000
INPUT SIGNAL FREQUENCY – kHz
Figure 24. S/(N+D) vs. Input Frequency
110
–80
SFDR
105
–85
100
–90
95
–95
THD
90
–100
85
SNRD
–105
80
–75 –50 –25
0
25 50 75
TEMPERATURE – C
–110
100 125 150
Figure 25. AC Parameters vs. Temperature
–20–
REV. D