LTC2245 Linear Technology, LTC2245 Datasheet - Page 6

• Manufacturer Part Number: LTC2245
• Description: 10Msps Low Power 3V ADC
• Manufacturer: Linear Technology

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LTC2245
TYPICAL PERFOR A CE CHARACTERISTICS
6
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
75
74
73
72
71
70
69
68
67
66
65
0
0
0
8192 Point FFT, f
–1dB, 2V Range
SNR vs Input Frequency, –1dB,
2V Range
10
1
INPUT FREQUENCY (MHz)
20
FREQUENCY (MHz)
2
30
80
70
60
50
40
30
20
10
0
–70
SNR vs Input Level, f
2V Range
IN
40
= 70.1MHz,
–60
3
50
–50
W
INPUT LEVEL (dBFS)
4
dBc
60
2245 G07
–40
2245 G04
dBFS
U
70
5
–30
IN
–20
= 5MHz,
–100
–110
–120
–10
–20
–30
–40
–50
–80
–90
100
–60
–70
65
95
90
85
80
75
70
–10
0
0
0
SFDR vs Input Frequency, –1dB,
2V Range
2245 G10
8192 Point 2-Tone FFT,
f
–1dB, 2V Range
IN
= 4.3MHz and 4.6MHz,
0
10
1
INPUT FREQUENCY (MHz)
20
FREQUENCY (MHz)
2
30
40
3
50
120
110
100
90
80
70
60
50
40
30
20
10
0
–80
4
SFDR vs Input Level, f
2V Range
60
2245 G08
2245 G05
70
5
–60
INPUT LEVEL (dBFS)
25000
20000
15000
10000
REFERENCE LINE
5000
–40
100dBc SFDR
100
70
90
80
60
0
dBFS
dBc
0
Grounded Input Histogram
SNR and SFDR vs Sample Rate,
2V Range, f
8179
43
IN
–20
2
= 5MHz,
8180
853
6919
8181
4
SAMPLE RATE (Msps)
2245 G11
IN
18803
8182
0
6
SFDR
= 5MHz, –1dB
SNR
CODE
22016
8183
8
13373
8184
10
3227
8185
12
2245fa
2225 G09
2245 G06
8186
278
14