LTC1742 LINER [Linear Technology], LTC1742 Datasheet - Page 7

• Manufacturer Part Number: LTC1742
• Description: 14-Bit, 65Msps Low Noise ADC
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFOR A CE CHARACTERISTICS
–120
–120
–100
–110
–100
–110
–30
–40
–50
–30
–40
–50
–10
–20
–60
–70
–80
–90
–10
–20
–60
–70
–80
–90
120
110
100
90
80
70
50
40
30
60
20
10
0
0
0
–80
0
0
8192 Point FFT,
Input Frequency = 70MHz,
–10dB, 3.2V Range
8192 Point 2-Tone FFT,
Input Frequency = 25MHz and
30MHz, –7dB, 3.2V Range
SFDR vs 30MHz Input Level
T
T
A
A
= 25 C
–70
= 25 C
5
5
–60
10
10
INPUT LEVEL (dBFS)
FREQUENCY (MHz)
FREQUENCY (MHz)
–50
dBc
15
15
–40
dBFS
–30
20
20
–20
25
25
W
T
A
–10
= 25 C
1742 G22
1742 G16
1742 G19
30
30
U
0
–120
–120
–100
–110
–100
–110
–30
–40
–50
–30
–40
–50
–10
–20
–60
–70
–80
–90
–10
–20
–60
–70
–80
–90
120
110
100
90
80
70
50
40
30
60
20
10
0
0
0
–80
0
0
8192 Point 2-Tone FFT,
Input Frequency = 68MHz and
70MHz, –7dB, 3.2V Range
SFDR vs 50MHz Input Level
8192 Point FFT,
Input Frequency = 70MHz,
–20dB, 3.2V Range
T
T
A
A
= 25 C
= 25 C
–70
5
5
–60
dBFS
dBc
10
10
INPUT LEVEL (dBFS)
FREQUENCY (MHz)
FREQUENCY (MHz)
–50
15
15
–40
–30
20
20
–20
25
25
T
A
–10
= 25 C
1742 G23
1742 G17
1742 G20
30
30
0
–100
–110
–120
–20
–30
–40
–50
–70
–80
–90
110
100
110
100
–10
–60
120
120
90
80
70
50
90
80
70
50
60
40
30
20
10
60
40
30
20
10
0
0
0
–80
–80
0
8192 Point 2-Tone FFT,
Input Frequency = 5MHz and
7MHz, –7dB, 3.2V Range
SFDR vs 15MHz Input Level
SFDR vs 70MHz Input Level
–70
–70
5
–60
–60
dBFS
dBc
10
INPUT LEVEL (dBFS)
INPUT LEVEL (dBFS)
FREQUENCY (MHz)
–50
–50
dBc
15
–40
–40
LTC1742
dBFS
–30
–30
20
–20
–20
25
T
T
T
A
A
A
–10
–10
= 25 C
= 25 C
= 25 C
1742 G21
1742 G24
1742 G18
30
7
1742f
0
0