LTC2247 Linear Technology, LTC2247 Datasheet - Page 6

• Manufacturer Part Number: LTC2247
• Description: (LTC2246 - LTC2248) 65/40/25Msps Low Power 3V ADCs
• Manufacturer: Linear Technology

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LTC2248/LTC2247/LTC2246
TYPICAL PERFOR A CE CHARACTERISTICS
6
25000
20000
15000
10000
–100
–110
–120
5000
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
LTC2248: 8192 Point FFT,
f
65Msps
0
LTC2248: Grounded Input
Histogram, 65Msps
IN
8196 8197 8198 8199 8200 8201 8202 8203
172
= 70MHz, –1dB, 2V Range,
2116
5
10224
10
FREQUENCY (MHz)
–100
–110
–120
20412
–10
–20
–30
–40
–50
–60
–70
–80
–90
15
CODE
0
LTC2248: 8192 Point FFT,
f
65Msps
0
21824
IN
= 5MHz, –1dB, 2V Range,
20
9042
5
W
25
1596
10
FREQUENCY (MHz)
2248 G05
2248 G08
121
30
U
15
20
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
25
75
74
73
72
71
70
0
LTC2248: 8192 Point FFT,
f
65Msps
0
0
IN
LTC2248: SNR vs Input Frequency,
–1dB, 2V Range, 65Msps
2248 G03
30
= 140MHz, –1dB, 2V Range,
5
50
INPUT FREQUENCY (MHz)
10
FREQUENCY (MHz)
15
100
20
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
150
25
0
0
LTC2248: 8192 Point FFT,
f
65Msps
IN
2248 G06
2248 G09
30
= 30MHz, –1dB, 2V Range,
200
5
10
FREQUENCY (MHz)
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
100
15
95
90
85
80
75
70
65
0
0
0
LTC2248: 8192 Point 2-Tone FFT,
f
–1dB, 2V Range, 65Msps
LTC2248: SFDR vs Input Frequency,
–1dB, 2V Range, 65Msps
IN
20
= 28.2MHz and 26.8MHz,
5
25
50
INPUT FREQUENCY (MHz)
10
FREQUENCY (MHz)
2248 G04
30
15
100
20
150
25
2248 G06a
2248 G10
224876fa
30
200