LTC2203/LTC2202
8
22032fd
LTC2203: 128K Point FFT,
fIN = 5.1MHz, –20dBFS, PGA = 0,
Internal Dither “On”
LTC2203: 32K Point 2-Tone FFT,
fIN = 4.9MHz and 30.1MHz,
–7dBFS, PGA = 0
LTC2203: 32K Point 2-Tone FFT,
fIN = 4.9MHz and 30.1MHz,
–15dBFS, PGA = 0
LTC2203: SFDR vs Input Level,
fIN = 5MHz, PGA = 0, Dither “Off”
LTC2203: SFDR vs Input Level,
fIN = 5MHz, PGA = 0, Dither “On”
LTC2203: 32K Point FFT,
fIN = 12.4MHz, –1dBFS, PGA = 0
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 G10
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 G11
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 G12
INPUT LEVEL (dBFS)
–70
SFDR
(dBc
AND
dBFS)
80
100
120
22032 G13
60
40
–60
–50
–40
–30
–20
–10
0
20
0
140
INPUT LEVEL (dBFS)
–70
SFDR
(dBc
AND
dBFS)
80
100
120
22032 G14
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 G15
LTC2203: 128K Point FFT,
fIN = 5.1MHz, –1dBFS, PGA = 0
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 GO7
LTC2203: 128K Point FFT,
fIN = 5.1MHz, –10dBFS, PGA = 0
LTC2203: 128K Point FFT,
fIN = 5.1MHz, –20dBFS, PGA = 0,
Internal 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 GO8
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 GO9
TYPICAL PERFORMANCE CHARACTERISTICS