LTC1743 Linear Technology, LTC1743 Datasheet - Page 8

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

LTC1743
8
TYPICAL PERFOR A CE CHARACTERISTICS
–100
–110
–60
–80
–90
110
100
–70
90
80
70
60
SFDR vs Input Frequency and
Amplitude, 3.2V Range
1
2nd and 3rd Harmonic vs Input
Frequency, 2V Range, –1dB
1
INPUT FREQUENCY (MHz)
INPUT FREQUENCY (MHz)
110
100
90
80
70
60
50
40
10
10
–50
3RD HARMONIC
SFDR vs Input Amplitude, 2V
Range, 5MHz Input Frequency
2ND HARMONIC
–40
INPUT AMPLITUDE (dBFS)
W
–20dBFS
–1dBFS
–6dBFS
1743 G28
1743 G31
–30
U
100
100
SFDR dBc
–20
SFDR dBFS
–100
–60
110
100
–70
–80
–90
–10
90
80
70
60
1
1
SFDR vs Input Frequency and
Amplitude, 2V Range
Worst Harmonic 4th or Higher vs
Input Frequency, 3.2V Range, –1dB
1743 G34
0
INPUT FREQUENCY (MHz)
INPUT FREQUENCY (MHz)
10
10
–1dBFS
–6dBFS
1000
1025
925
975
950
900
875
850
825
–20dBFS
0
Power Dissipation vs
Sample Rate
1743 G29
1743 G32
100
100
10
SAMPLE RATE (Msps)
20
–100
–100
–110
–60
– 60
–70
–80
–90
–80
–90
–70
1
2nd and 3rd Harmonic vs Input
Frequency, 3.2V Range, –1dB
1
Worst Harmonic 4th or Higher vs
Input Frequency, 2V Range, –1dB
30
INPUT FREQUENCY (MHz)
INPUT FREQUENCY (MHz)
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40
3RD HARMONIC
1743 G35
50
10
10
2ND HARMONIC
1743 G30
1743 G33
1743f
100
100