AD6645
TYPICAL PERFORMANCE CHARACTERISTICS
0
0
–10
ENCODE = 80MSPS
ENCODE = 80MSPS
–10
AIN = 69.1MHz @ –1dBFS
SNR = 73.5dB
AIN = 2.2MHz @ –1dBFS
SNR = 75.0dB
–20
–20
SFDR = 89.0dBc
SFDR = 93.0dBc
–30
–40
–50
–60
–70
–30
–40
–50
–60
–70
–80
–80
3
3
–90
–100
–110
–120
–130
2
–90
2
5
6
4
–100
–110
–120
–130
6
4
5
0
5
10
15
20
25
30
35
40
0
5
10
15
20
25
30
35
40
FREQUENCY (MHz)
FREQUENCY (MHz)
Figure 4. Single Tone @ 2.2 MHz
Figure 7. Single Tone @ 69.1 MHz
0
–10
0
–10
ENCODE = 80MSPS
AIN = 150MHz @ –1dBFS
SNR = 73.0dB
ENCODE = 80MSPS
AIN = 15.5MHz @ –1dBFS
SNR = 75.0dB
–20
–20
SFDR = 70.0dBc
SFDR = 93.0dBc
–30
–30
–40
–40
–50
–50
–60
–60
3
–70
–70
2
–80
–80
5
4
–90
3
–90
5
–100
–110
–120
–130
6
–100
–110
–120
–130
2
6
4
0
5
10
15
20
25
30
35
40
0
5
10
15
20
25
30
35
40
FREQUENCY (MHz)
FREQUENCY (MHz)
Figure 8. Single Tone @ 150 MHz
Figure 5. Single Tone @ 15.5 MHz
0
–10
0
–10
ENCODE = 80MSPS
AIN = 29.5MHz @ –1dBFS
SNR = 74.5dB
ENCODE = 80MSPS
AIN = 200MHz @ –1dBFS
SNR = 72.0dB
–20
–20
SFDR = 93.0dBc
SFDR = 64.0dBc
–30
–30
–40
–40
–50
–50
–60
–60
3
–70
–70
2
–80
–80
4
5
–90
3
–90
6
2
5
–100
–110
–120
–130
–100
–110
–120
–130
6
4
0
5
10
15
20
25
30
35
40
0
5
10
15
20
25
30
35
40
FREQUENCY (MHz)
FREQUENCY (MHz)
Figure 9. Single Tone @ 200 MHz
Figure 6. Single Tone @ 29.5 MHz
Rev. D | Page 9 of 24
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