LTC2217 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC2217' PDF : 32 Pages View PDF
LTC2217
TYPICAL PERFORMANCE CHARACTERISTICS
SFDR vs Input Level,
fIN = 140.5MHz, Dither “Off”
140
130
120
110
100
90
80
70
60
50
40
30
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
2217 G28
SFDR (HD2 and HD3) vs
Input Frequency
110
105
100
95
HD2
90
SFDR
HD3
85
80
75
70
0
50 100 150 200 250
INPUT FREQUENCY (MHz)
2217 G31
SNR and SFDR vs Supply
Voltage (VDD), fIN = 5.1MHz
110
LOWER LIMIT
105
100
SFDR
95
90
UPPER LIMIT
85
SNR
80
75
70
2.8
3.0
3.2
3.4
SUPPLY VOLTAGE (V)
3.6
2217 G34
12
SFDR vs Input Level,
fIN = 140.5MHz, Dither “On”
140
130
120
110
100
90
80
70
60
50
40
30
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
2217 G29
SNR vs Input Frequency
82
81
80
79
78
77
76
0
50 100 150 200 250
INPUT FREQUENCY (MHz)
2217 G32
IVDD vs Sample Rate and Supply
Voltage, fIN = 5MHz, –1dBFS
450
425
VDD = 3.3V
400
375
VDD = 3.465V
350
VDD = 3.135V
325
300
0
50
100
150
SAMPLE RATE (Msps)
200
2217 G35
SNR vs Input Level,
fIN = 140.5MHz
82
81
80
79
78
–80 –70 –60 –50 –40 –30 –20 –10 0
INPUT LEVEL (dBFS)
2217 G30
SNR and SFDR vs Sample Rate,
fIN = 5.2MHz
110
105
SFDR
LIMIT
100
95
90
85
SNR
80
75
70
0
40
80
120
160
SAMPLE RATE (MSPS)
2217 G33
SNR and SFDR vs Clock Duty
Cycle, fIN = 5.2MHz
110
100
90
80
70
60
30
SFDR DCS OFF
SNR DCS OFF
SFDR DCS ON
SNR DCS ON
40
50
60
DUTY CYCLE (%)
70
2217 G36
2217f
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