LTC1747 Linear Technology, LTC1747 Datasheet - Page 7

• Manufacturer Part Number: LTC1747
• Description: 12-Bit 80Msps Low Noise ADC
• Manufacturer: Linear Technology

TYPICAL PERFOR A CE CHARACTERISTICS
–120
–100
–110
–30
–40
–50
–70
–10
–20
–60
–80
–90
110
100
100
120
90
80
70
50
80
60
40
30
20
10
95
90
85
75
70
65
60
0
0
–80
0
0
Averaged 8192 Point 2-Tone FFT,
5.2MHz and 5.7MHz Inputs,
–7dB, 3.2V Range
SFDR vs 20MHz Input Level
SFDR vs Input Frequency and
Amplitude, 3.2V Range,
2nd or 3rd Harmonic
T
T
A
A
–70
= 25 C
= 25 C
5
20
–60
10
INPUT FREQUENCY (MHz)
INPUT LEVEL (dBFS)
FREQUENCY (MHz)
–50
15
40
–20dB
–1dB
dBFS
–40
20
dBc
60
–30
25
–10dB
–20
30
W
T
80
A
–6dB
–10
= 25 C
35
1747 G16
1747 G19
1748 G26
U
100
40
0
–120
–100
–110
–30
–40
–50
–70
–10
–20
–60
–80
–90
100
100
120
110
90
80
70
95
90
80
75
70
60
60
50
40
30
20
10
85
65
0
0
–80
0
0
Averaged 8192 Point 2-Tone FFT,
25.2MHz and 30.2MHz Inputs,
–7dB, 3.2V Range
SFDR vs 50MHz Input Level
SFDR vs Input Frequency and
Amplitude, 2V Range,
2nd or 3rd Harmonic
T
T
T
A
A
A
= 25 C
= 25 C
= 25 C
–70
5
20
–60
10
INPUT FREQUENCY (MHz)
INPUT LEVEL (dBFS)
FREQUENCY (MHz)
–50
15
40
–20dB
–40
20
dBFS
dBc
–10dB
–1dB
60
–30
25
–20
30
80
–6dB
–10
35
1747 G17
1747 G20
1747 G23
100
40
0
3000
2500
2000
1000
4500
4000
3500
1500
–100
–110
–120
500
–20
–30
–40
–50
–70
–80
–90
100
–10
–60
120
110
90
80
70
60
50
40
30
20
10
0
0
0
–80
0
SFDR vs 70MHz Input Level
Averaged 8192 Point 2-Tone FFT,
65.2MHz and 70.2MHz Inputs,
–7dB, 3.2V Range
Shorted Input Histogram,
3.2V Range
T
A
2035
= 25 C
–70
0
5
–60
10
www.DataSheet4U.com
2036
INPUT LEVEL (dBFS)
3
FREQUENCY (MHz)
–50
15
CODE
3985
2037
–40
dBFS
20
dBc
LTC1747
–30
25
2038
108
–20
30
T
A
–10
= 25 C
35
2039
1747 G24
1747 G18
1747 G21
0
1747fa
7
40
0