ltc1744 Linear Technology Corporation, ltc1744 Datasheet - Page 7

• Manufacturer Part Number: ltc1744
• Description: 14-bit, 50msps Adc
• Manufacturer: Linear Technology Corporation

TYPICAL PERFOR A CE CHARACTERISTICS
–100.0
–110.0
–120.0
–100.0
–110.0
–120.0
–10.0
–20.0
–30.0
–40.0
–50.0
–60.0
–70.0
–80.0
–90.0
–10.0
–20.0
–30.0
–40.0
–50.0
–60.0
–70.0
–80.0
–90.0
100
0.5
0.5
95
90
85
80
75
70
65
60
55
50
0
0 2 4 6 8 10 12 14 16 18 20 22 24
Averaged, 8192 Point FFT, Input
Frequency = 70MHz, – 20dB,
2V Range
0 2 4 6 8 10 12 14 16 18 20 22 24
SFDR vs Sample Rate, Input
Frequency = 5MHz, –1dB
Averaged, 8192 Point FFT, Input
Frequency = 51MHz, – 20dB,
2V Range
T
T
A
A
= 25 C
= 25 C
20
3.2V RANGE
SAMPLE RATE (Msps)
FREQUENCY (MHz)
FREQUENCY (MHz)
40
60
2V RANGE
W
T
80
A
= 25 C
1744 G25
1744 G20
1744 G23
U
25.37
25.37
100
–100.0
–110.0
–120.0
40000
35000
30000
25000
20000
15000
10000
–10.0
–20.0
–30.0
–40.0
–50.0
–60.0
–70.0
–80.0
–90.0
5000
0.5
80
75
70
65
60
55
50
0
0 2 4 6 8 10 12 14 16 18 20 22 24
1
Averaged, 8192 Point FFT, Input
Frequency = 70MHz, – 1dB,
2V Range
Grounded Input Histogram
SNR vs Input Frequency and
Amplitude, 3.2V Range
T
8152 8153 8154 8155 8156 8157 8158
T
T
A
A
A
= 25 C
= 25 C
= 25 C
INPUT FREQUENCY (MHz)
FREQUENCY (MHz)
CODE
10
–1dBFS
– 6dBFS
– 20dBFS
1744 G21
1744 G31
1744 G09
(Note 5)
25.37
100
–100.0
–110.0
–120.0
–10.0
–20.0
–30.0
–40.0
–50.0
–60.0
–70.0
–80.0
–90.0
0.5
78
77
76
75
74
73
72
71
70
69
68
75
70
65
60
55
50
0
0 2 4 6 8 10 12 14 16 18 20 22 24
SNR vs Sample Rate, Input
Frequency = 5MHz, –1dB
1
Averaged, 8192 Point FFT, Input
Frequency = 70MHz, – 6dB,
2V Range
SNR vs Input Frequency and
Amplitude, 2V Range
T
T
A
A
= 25 C
= 25 C
20
INPUT FREQUENCY (MHz)
3.2V RANGE
2V RANGE
SAMPLE RATE (Msps)
FREQUENCY (MHz)
40
10
T
–1dBFS
– 6dBFS
– 20dBFS
A
60
= 25 C
LTC1744
80
T
A
= 25 C
1744 G24
1744 G22
1744 G30
25.37
100
100
7
1744f