LTC1742 LINER [Linear Technology], LTC1742 Datasheet - Page 8

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

LTC1742
8
TYPICAL PERFOR A CE CHARACTERISTICS
100
95
90
80
75
70
60
85
65
0
SFDR vs Input Frequency and
Amplitude, 3.2V Range,
2nd and 3rd Harmonic
20
INPUT FREQUENCY (MHz)
40
77.0
76.5
76.0
75.5
75.0
74.5
74.0
73.5
73.0
72.5
72.0
71.5
100
90
85
75
60
95
80
70
65
0
0
–20dB
SNR vs Input Frequency
3.2V and 2V Range
SFDR vs Sample Rate, 5MHz Input,
–1dB, 3.2V Range
60
10
10
–10dB
–1dB
20
–6dB
20
W
INPUT FREQUENCY (MHz)
T
80
SAMPLE RATE (Msps)
30
A
30
= 25 C
1742 G25
40 50
U
40
100
3.2V RANGE
2V RANGE
50
60
60
70
100
95
90
80
75
70
60
85
65
70
T
80
T
0
A
A
SFDR vs Input Frequency and
Amplitude, 2V Range,
2nd and 3rd Harmonic
= 25 C
= 25 C
80
1742 G30
90
1742 G28
100
90
20
INPUT FREQUENCY (MHz)
40
–20dB
60
–6dB
270
260
250
240
230
220
210
78
77
76
75
74
72
73
–1dB
T
80
0
A
Supply Current vs Sample Rate
0
SNR vs Sample Rate, 5MHz Input, –
1dB, 3.2V Range
T
T
–10dB
= 25 C
A
A
1742 G26
= 25 C
10
= 25 C
100
20
20
SAMPLE RATE (Msps)
SAMPLE RATE (Msps)
30
35000
30000
25000
20000
15000
10000
40
5000
40
0
50
8140
T
Shorted Input Histogram
A
60
= 25 C
8141
60
70
8142
80
1742 G29
1742 G31
8143
90
80
CODE
8144
8145
8146
1742 G27
8147
1742f