Datasheet
LTC2203/LTC2202
13
22032fd
LTC2202: 32K Point FFT,
f
IN
= 12.4MHz, –10dBFS, PGA = 0
LTC2202: 32K Point FFT,
f
IN
= 12.4MHz, –20dBFS, PGA = 0
LTC2202: SFDR vs Input Level,
f
IN
= 12.4MHz, PGA = 0,
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 G52
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 G53
INPUT LEVEL (dBFS)
–70
0
SFDR (dBc AND dBFS)
20
40
60
80
–60 –40 –20 0
22032 G54
100
120
–50 –30 –10
LTC2202: 32K Point FFT,
f
IN
= 30.5MHz, –1dBFS, PGA = 1
LTC2202: 32K Point FFT,
f
IN
= 30.5MHz, –10dBFS, PGA = 1
LTC2202: 32K Point FFT,
f
IN
= 30.5MHz, –20dBFS, PGA = 1
LTC2202: SFDR vs Input Level,
f
IN
= 30.1MHz, PGA = 0,
Dither “Off”
LTC2202: SFDR vs Input Level,
f
IN
= 30.1MHz, PGA = 0,
Dither “On”
LTC2202: 32K Point FFT,
f
IN
= 70.1MHz, –1dBFS, PGA = 1
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 G55
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 G56
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 G57
INPUT LEVEL (dBFS)
–70
0
SFDR (dBc AND dBFS)
40
20
60
80
100
–60 –40 –20 0
22032 G58
120
140
–50 –30 –10
INPUT LEVEL (dBFS)
–70
0
SFDR (dBc AND dBFS)
40
20
60
80
100
–60 –40 –20 0
22032 G59
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 G60
TYPICAL PERFORMANCE CHARACTERISTICS