LTC1743 Linear Technology, LTC1743 Datasheet - Page 7

• Manufacturer Part Number: LTC1743
• Description: 12-Bit 50Msps ADC
• Manufacturer: Linear Technology

TYPICAL PERFOR A CE CHARACTERISTICS
–100
–110
–120
–100
–110
–120
–20
–30
–40
–50
–60
–70
–80
–90
–20
–30
–40
–50
–60
–70
–80
–90
100
–10
–10
95
90
85
70
65
60
55
50
80
75
0
0
0
0
0
Averaged, 8192 Point FFT,
Input Frequency = 51MHz,
–20dB, 2V Range
Averaged, 8192 Point FFT,
Input Frequency = 70MHz,
–20dB, 2V Range
SFDR vs Sample Rate,
Input Frequency = 5MHz, –1dB
20
5
5
SAMPLE RATE (Msps)
3.2V RANGE
FREQUENCY (MHz)
FREQUENCY (MHz)
10
10
40
15
15
60
2V RANGE
W
20
20
80
1743 G19
1743 G22
1743 G25
U
100
25
25
50000
40000
20000
10000
30000
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
75
70
65
60
55
50
0
0
0
1
Grounded Input Histogram
SNR vs Input Frequency and
Amplitude, 3.2V Range
Averaged, 8192 Point FFT,
Input Frequency = 70MHz,
–1dB, 2V Range
2040
5
INPUT FREQUENCY (MHz)
2041
FREQUENCY (MHz)
10
CODE
2042
10
–20dBFS
–6dBFS
–1dBFS
15
2043
20
2044
1743 G26
1743 G20
1743 G23
100
25
–100
–110
–120
–20
–30
–40
–50
–60
–70
–80
–90
–10
73
72
71
70
69
68
67
66
65
64
63
75
70
65
60
55
50
0
0
0
1
Averaged, 8192 Point FFT,
Input Frequency = 70MHz,
–6dB, 2V Range
SNR vs Sample Rate,
Input Frequncy = 5MHz, –1dB
SNR vs Input Frequency and
Amplitude, 2V Range
10
20
5
INPUT FREQUENCY (MHz)
www.DataSheet4U.com
SAMPLE RATE (Msps)
3.2V RANGE
30
2V RANGE
FREQUENCY (MHz)
40
10
50
10
–20dBFS
–1dBFS
–6dBFS
LTC1743
60 70
15
80
20
90
1743 G27
1743 G21
1743 G24
7
1743f
100
100
25