LTC2202I(RevB) Ver la hoja de datos (PDF) - Linear Technology
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LTC2202I Datasheet PDF : 32 Pages
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LTC2203/LTC2202
TYPICAL PERFOR A CE CHARACTERISTICS
LTC2203: 32K Point 2-Tone FFT,
fIN = 44.9MHz and 70.1MHz,
–7dBFS, PGA = 0
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140
0 2 4 6 8 10 12
FREQUENCY(MHz)
22032 G28
LTC2203: 32K Point 2-Tone FFT,
fIN = 44.9MHz and 70.1MHz,
–15dBFS, PGA = 0
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140
0 2 4 6 8 10 12
FREQUENCY(MHz)
22032 G29
LTC2203: SFDR vs Input Level,
fIN = 70.1MHz, PGA = 0,
Dither “On”
140
120
100
80
60
40
20
0
–70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
22032 G31
LTC2203: SNR and SFDR vs
Sample Rate
110
SFDR
105
RATED MAX
100
95
90
85
SNR
80
75
0 5 10 15 20 25 30 35 40 45 50
SAMPLE RATE (Msps)
22023 G34
10
LTC2203: SFDR (HD2 or HD3) vs
Input Frequency
110
105
100
95
PGA = 1
90
PGA = 0
85
80
75
70
0
20
40
60
80 100
INPUT FREQUENCY (MHz)
22023 G32
LTC2203: SNR and SFDR vs
Supply Voltage (VDD), fIN = 5MHz
110
LOWER LIMIT UPPER LIMIT
105
100
SFDR
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 G35
LTC2203: SFDR vs Input Level,
fIN = 70.1MHz, PGA = 0,
Dither “Off”
140
120
100
80
60
40
20
0
–70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
22023 G30
LTC2203: SNR vs Input Frequency
82
81
PGA = 0
80
79
78
PGA = 1
77
76
75
74
73
0
20 40 60 80 100 120 140
INPUT FREQUENCY (MHz)
22023 G33
LTC2203: IVDD vs Sample Rate,
5MHz Sine Wave, –1dBFS
75
70
65
60
55
50
0
5
10
15
20
25
SAMPLE RATE (Msps)
22023 G36
22032fb
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