Datasheet

Data Sheet AD9245
Rev. E | Page 17 of 32
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
INL (LSB)
0 2048 4096 6144 8192 10240 12288 14336 16384
CODE
Figure 32. AD9245-20 Typical INL
0
–20
–
40
–60
–80
–100
–120
AMPLITUDE (dBFS)
0 1 2 3 4 5
6 7 8
9 10
FREQUENCY (MHz)
AIN = –0.5dBFS
SNR = 73.4dBc
ENOB = 11.9 BITS
SFDR = 95.0dBc
03583-069
Figure 33. AD9245-20 Single Tone 16K FFT @ 5 MHz
75
70
65
60
55
50
SINAD (dBc)
1 10 100
INPUT FREQUENCY (MHz)
03583-070
–0.5dBFS
–6dBFS
–20dBFS
Figure 34. AD9245-20 SINAD vs. Input Frequency
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
DNL (LSB)
0 2048 4096 6144 8192 10240 12288 14336 16384
CODE
03583-071
Figure 35. AD9245-20 Typical DNL
0
–20
–40
–60
–80
–100
–120
AMPLITUDE (dBFS)
0 1 2 3 4 5 6 7 8 9 10
FREQUENCY (MHz)
03583-072
AIN = –0.5dBFS
SNR = 73.3dBc
ENOB = 11.9 BITS
SFDR = 92.6dBc
Figure 36. AD9245-20 Single Tone 16K FFT @ 9.7 MHz
HITS
N
–3 N–2 N–1 N
N+1 N+2 N+3
CODE
03583-073
253625
1755666
7281624
7996189
3167101
547498
10004707
Figure 37. AD9245-20 Grounded-Input Histogram