LTC2247 Linear Technology, LTC2247 Datasheet - Page 9

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

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TYPICAL PERFOR A CE CHARACTERISTICS
–100
–110
–120
–0.5
–1.0
–1.5
–2.0
120
110
100
–10
–20
–30
–40
–50
–60
–70
–80
–90
2.0
1.5
1.0
0.5
90
80
70
60
50
40
30
20
0
0
–60
LTC2246: Typical INL,
2V Range, 25Msps
LTC2246: 8192 Point FFT,
f
25Msps
LTC2247: SFDR vs Input Level,
f
0
IN
0
IN
= 30MHz, –1dB, 2V Range,
= 5MHz, 2V Range, 40Msps
–50
2
dBFS
4096
INPUT LEVEL (dBFS)
–40
4
FREQUENCY (MHz)
dBc
CODE
8192
6
–30
90dBc SFDR
REFERENCE LINE
8
–20
12288
W
10
–10
2247 G13
2246 G01
2246 G04
U
12
16384
0
–0.25
–0.50
–0.75
–1.00
–100
–110
–120
1.00
0.75
0.50
0.25
–10
–20
–30
–40
–50
–60
–70
–80
–90
50
45
40
35
30
0
0
LTC2247: I
5MHz Sine Wave Input, –1dB
LTC2246: Typical DNL,
2V Range, 25Msps
LTC2246: 8192 Point FFT,
f
25Msps
0
0
0
IN
= 70MHz, –1dB, 2V Range,
2
10
4096
SAMPLE RATE (Msps)
VDD
4
FREQUENCY (MHz)
2V RANGE
20
vs Sample Rate,
CODE
6
8192
LTC2248/LTC2247/LTC2246
1V RANGE
30
8
12288
10
40
2246 G02
2246 G05
2247 G14
12
16384
50
–100
–110
–120
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
4
3
2
1
0
0
0
0
LTC2246: 8192 Point FFT,
f
25Msps
0
LTC2247: I
5MHz Sine Wave Input, –1dB,
O
LTC2246: 8192 Point FFT,
f
25Msps
IN
IN
VDD
= 5MHz, –1dB, 2V Range,
= 140MHz, –1dB, 2V Range,
2
2
= 1.8V
10
SAMPLE RATE (Msps)
4
FREQUENCY (MHz)
4
FREQUENCY (MHz)
OVDD
20
6
6
vs Sample Rate,
30
8
8
10
10
40
224876fa
2246 G03
2247 G15
2246 G06
9
12
12
50