Datasheet

LTC2203/LTC2202
9
22032fd
LTC2203: 32K Point FFT,
f
IN
= 12.4MHz, –10dBFS, PGA = 0
LTC2203: 32K Point FFT,
f
IN
= 12.4MHz, –20dBFS, PGA = 0
LTC2203: SFDR vs Input Level,
f
IN
= 12.7MHz, PGA = 0,
Dither “Off”
FREQUENCY(MHz)
0
–140
AMPLITUDE (dBFS)
–120
–100
–80
0
–10
–30
–50
–70
–90
–110
–130
–40
26
–20
–60
4
8
10 12
22032 G16
FREQUENCY(MHz)
0
–140
AMPLITUDE (dBFS)
–120
–100
–80
0
–10
–30
–50
–70
–90
–110
–130
–40
26
–20
–60
4
8
10 12
22032 G17
INPUT LEVEL (dBFS)
–70
SFDR (dBc AND dBFS)
80
100
120
22032 G18
60
40
60 50 40 –30 –20 –10 0
20
0
140
LTC2203: SFDR vs Input Level,
f
IN
= 12.7MHz, PGA = 0,
Dither “On”
LTC2203: 32K Point FFT,
f
IN
= 30MHz, –1dBFS, PGA = 1
LTC2203: 32K Point FFT,
f
IN
= 30MHz, –10dBFS, PGA = 1
LTC2203: 32K Point FFT,
f
IN
= 30MHz, –20dBFS, PGA = 1
LTC2203: SFDR vs Input Level,
f
IN
= 30.1MHz, PGA = 0,
Dither “Off”
LTC2203: SFDR vs Input Level,
f
IN
= 30.1MHz, PGA = 0,
Dither “On”
INPUT LEVEL (dBFS)
–70
SFDR (dBc AND dBFS)
80
100
120
22032 G19
60
40
60 –50 40 –30 –20 –10 0
20
0
140
FREQUENCY(MHz)
0
–140
AMPLITUDE (dBFS)
–120
–100
–80
0
–10
–30
–50
–70
–90
–110
–130
–40
26
–20
–60
4
8
10 12
22032 G20
FREQUENCY(MHz)
0
–140
AMPLITUDE (dBFS)
–120
–100
–80
0
–10
–30
–50
–70
–90
–110
–130
–40
26
–20
–60
4
8
10 12
22032 G21
FREQUENCY(MHz)
0
–140
AMPLITUDE (dBFS)
–120
–100
–80
0
–10
–30
–50
–70
–90
–110
–130
–40
26
–20
–60
4
8
10 12
22032 G22
INPUT LEVEL (dBFS)
–80
SFDR (dBc AND dBFS)
80
100
120
22032 G23
60
40
–70 60 50 40 –30 –20 –10 0
20
0
140
INPUT LEVEL (dBFS)
–70
SFDR (dBc AND dBFS)
80
100
120
22032 G24
60
40
60 50 40 –30 –20 –10 0
20
0
140
TYPICAL PERFORMANCE CHARACTERISTICS