LTC2203/LTC2202
12
22032fd
LTC2203: 128K Point FFT,
fIN = 5.1MHz, –20dBFS, PGA = 0,
Internal Dither “On”
LTC2202: 32K Point 2-Tone FFT,
fIN = 5.1MHz and 15.2MHz,
–7dBFS, PGA = 0
LTC2202: 32K Point 2-Tone FFT,
fIN = 5.1MHz and 15.2MHz,
–15dBFS, PGA = 0
LTC2202: SFDR vs Input Level,
fIN = 5MHz, PGA = 0, Dither “Off”
LTC2202: SFDR vs Input Level,
fIN = 5MHz, PGA = 0, Dither “On”
LTC2202: 32K Point FFT,
fIN = 12.4MHz, –1dBFS, PGA = 0
FREQUENCY (MHz)
0
–140
AMPLITUDE
(dBFS)
–120
–100
–80
0
–40
1
3
4
–20
–60
–130
–110
–90
–10
–50
–30
–70
2
5
22032 G46
FREQUENCY (MHz)
0
–140
AMPLITUDE
(dBFS)
–120
–100
–80
0
–40
1
3
4
–20
–60
–130
–110
–90
–10
–50
–30
–70
2
5
22032 G47
FREQUENCY (MHz)
0
–140
AMPLITUDE
(dBFS)
–120
–100
–80
0
–40
1
3
4
–20
–60
–130
–110
–90
–10
–50
–30
–70
2
5
22032 G48
INPUT LEVEL (dBFS)
–70
0
SFDR
(dBc
AND
dBFS)
20
40
60
80
–60
–40
–20
0
22032 G49
100
120
–50
–30
–10
INPUT LEVEL (dBFS)
–70
0
SFDR
(dBc
AND
dBFS)
40
20
60
80
100
–60
–40
–20
0
22032 G50
120
140
–50
–30
–10
FREQUENCY (MHz)
0
–140
AMPLITUDE
(dBFS)
–120
–100
–80
0
–40
1
3
4
–20
–60
–130
–110
–90
–10
–50
–30
–70
2
5
22032 G51
LTC2202: 128K Point FFT,
fIN = 5.1MHz, –1dBFS, PGA = 0
LTC2202: 128K Point FFT,
fIN = 5.1MHz, –10dBFS, PGA = 0
LTC2202: 128K Point FFT,
fIN = 5.1MHz, –20dBFS, PGA = 0,
Internal Dither “Off”
FREQUENCY (MHz)
0
–140
AMPLITUDE
(dBFS)
–120
–100
–80
0
–40
1
3
4
–20
–60
–130
–110
–90
–10
–50
–30
–70
2
5
22032 G43
FREQUENCY (MHz)
0
–140
AMPLITUDE
(dBFS)
–120
–100
–80
0
–40
1
3
4
–20
–60
–130
–110
–90
–10
–50
–30
–70
2
5
22032 G44
FREQUENCY (MHz)
0
–140
AMPLITUDE
(dBFS)
–120
–100
–80
0
–40
1
3
4
–20
–60
–130
–110
–90
–10
–50
–30
–70
2
5
22032 G45
TYPICAL PERFORMANCE CHARACTERISTICS