TYPICAL PERFORMANCE CHARACTERISTICS
LTC2217
64k Point FFT, fIN = 70.1MHz,
–20dBFS, Dither “On”
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
10 20 30 40
FREQUENCY (MHz)
50
2217 G19
SNR vs Input Level, FIN = 70.5MHz
82
81
80
79
78
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
2217 G22
64k Point 2-Tone FFT,
fIN = 67.2MHz and 74.4MHz,
–25dBFS, Dither “On”
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
10 20 30 40
FREQUENCY (MHz)
50
2217 G25
SFDR vs Input Level,
fIN = 70.5MHz, Dither “Off”
140
130
120
110
100
90
80
70
60
50
40
30
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
2217 G20
64k Point 2-Tone FFT,
fIN = 67.2MHz and 74.4MHz,
–7dBFS
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
10 20 30 40 50
FREQUENCY (MHz)
2217 G23
64k Point FFT, fIN = 140.5MHz,
–1dBFS
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
10 20 30 40
FREQUENCY (MHz)
50
2217 G26
SFDR vs Input Level,
fIN = 70.5MHz, Dither “On”
140
130
120
110
100
90
80
70
60
50
40
30
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
2217 G21
64k Point 2-Tone FFT,
fIN = 67.2MHz and 74.4MHz,
–15dBFS, Dither “On”
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
10 20 30 40
FREQUENCY (MHz)
50
2217 G24
64k Point FFT, fIN = 140.1MHz,
–20dBFS, Dither “On”
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
10 20 30 40
FREQUENCY (MHz)
50
2217 G27
2217f
11