LTC2293 Linear Technology, LTC2293 Datasheet - Page 10

• Manufacturer Part Number: LTC2293
• Description: (LTC2291 - LTC2293) 65/40/25Msps Low Power 3V ADCs
• Manufacturer: Linear Technology

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LTC2293/LTC2292/LTC2291
TYPICAL PERFOR A CE CHARACTERISTICS
10
–100
–110
–120
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
100
95
90
85
80
75
70
65
0
0
0
0
LTC2291: 8192 Point FFT,
f
25Msps
LTC2291: 8192 Point 2-Tone FFT,
f
–1dB, 2V Range, 25Msps
0
LTC2291: SFDR vs Input
Frequency, –1dB, 2V Range,
25Msps
IN
IN
= 30MHz, –1dB, 2V Range,
= 10.9MHz and 13.8MHz,
2
2
50
INPUT FREQUENCY (MHz)
FREQUENCY (MHz)
4
4
FREQUENCY (MHz)
6
6
100
8
8
150
W
10
10
229321 G42
229321 G36
229321 G39
12
U
12
200
70000
60000
50000
40000
30000
20000
10000
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
110
100
90
80
70
60
0
0
0
LTC2291: 8192 Point FFT,
f
25Msps
0
LTC2291: Grounded Input
Histogram, 25Msps
LTC2291: SNR and SFDR vs
Sample Rate, 2V Range,
f
IN
IN
= 70MHz, –1dB, 2V Range,
= 5MHz, –1dB
DataSheet4U.com
2155
2048
2
10
SAMPLE RATE (Msps)
FREQUENCY (MHz)
4
20
61758
CODE
SFDR
2049
6
SNR
30
8
10
40
1607
2050
229321 G43
229321 G40
229321 G37
12
50
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
72
70
69
68
80
70
60
50
40
30
20
10
71
0
0
–60
0
LTC2291: 8192 Point FFT,
f
25Msps
0
LTC2291: SNR vs Input Frequency,
–1dB, 2V Range, 25Msps
LTC2291: SNR vs Input Level,
f
IN
IN
= 140MHz, –1dB, 2V Range,
= 5MHz, 2V Range, 25Msps
–50
2
50
INPUT FREQUENCY (MHz)
INPUT LEVEL (dBFS)
– 40
FREQUENCY (MHz)
4
dBFS
dBc
–30
100
6
8
–20
150
10
–10
229321 G44
229321 G38
229321 G41
229321f
12
200
0
DataShee