LTC2203/LTC2202
TYPICAL PERFOR A CE CHARACTERISTICS
LTC2202: 32K Point 2-Tone FFT,
fIN = 60.2MHz and 70.1MHz,
–7dBFS, PGA = 0
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140
0
2
4
FREQUENCY (MHz)
22023 G63
LTC2202: 32K Point 2-Tone FFT,
fIN = 60.2MHz and 70.1MHz,
–15dBFS, PGA = 0
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140
0
2
4
FREQUENCY (MHz)
22023 G64
LTC2202: SFDR vs Input Level,
fIN = 70.1MHz, PGA = 0,
Dither “On”
140
120
100
80
60
40
20
0
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
22023 G66
LTC2202: SFDR (HD2 or HD3) vs
Input Frequency
110
105
100
PGA = 1
95
90
85
PGA = 0
80
75
70
0
20
40
60
80 100
INPUT FREQUENCY (MHz)
22023 G67
LTC2202: SFDR vs Input Level,
fIN = 70.1MHz, PGA = 0,
Dither “Off”
140
120
100
80
60
40
20
0
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
22023 G65
LTC2202: SNR vs Input Frequency
82
81
80
PGA = 0
79
78
77
PGA = 1
76
75
74
73
0
20 40 60 80 100 120 140
INPUT FREQUENCY (MHz)
22023 G68
14
LTC2202: SNR and SFDR vs
Sample Rate
110
RATED MAX
105
SFDR
100
95
90
85
SNR
80
75
0
4
8
12
16
20
SAMPLE RATE (Msps)
22023 G69
LTC2202: SNR and SFDR vs
Supply Voltage (VDD), fIN = 5MHz
110
LOWER LIMIT UPPER LIMIT
105
SFDR
100
95
90
85
SNR
80
75
2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6
SUPPLY VOLTAGE (V)
22023 G70
22032fb