Datasheet

5
LTC1746
1746f
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Nonaveraged, 32768 Point FFT,
Input Frequency = 5MHz,
3.2V Range
CODE
0
–1.0
INL ERROR (LSB)
–0.5
0
0.5
1.0
4000 8000
1746 G01
12000 16000
CODE
0
–1.0
DNL ERROR (LSB)
–0.5
0
0.5
1.0
4000 8000
1746 G02
12000 16000
FREQUENCY (MHz)
0
AMPLITUDE (dB)
–60
–70
–80
–90
–100
–110
–120
–50
–40
0
–20
2
6
812
–10
–30
4
10
1746 G03
Typical INL Typical DNL
Nonaveraged, 32768 Point FFT,
Input Frequency = 30MHz,
2V Range
Nonaveraged, 32768 Point FFT,
Input Frequency = 30MHz,
3.2V Range
Nonaveraged, 32768 Point FFT,
Input Frequency = 5MHz,
2V Range
FREQUENCY (MHz)
0
AMPLITUDE (dB)
–60
–70
–80
–90
–100
–110
–120
–50
–40
0
–20
2
6
812
–10
–30
4
10
1746 G04
FREQUENCY (MHz)
0
AMPLITUDE (dB)
–60
–70
–80
–90
–100
–110
–120
–50
–40
0
–20
2
6
812
–10
–30
4
10
1746 G05
FREQUENCY (MHz)
0
AMPLITUDE (dB)
–60
–70
–80
–90
–100
–110
–120
–50
–40
0
–20
2
6
812
–10
–30
4
10
1746 G06
Nonaveraged, 32768 Point
2-Tone FFT, Input Frequency =
4MHz and 5.1MHz, 3.2V Range
Nonaveraged, 32768 Point FFT,
Input Frequency = 70MHz,
2V Range
Nonaveraged, 32768 Point
2-Tone FFT, Input Frequency =
4MHz and 5.1MHz, 2V Range
FREQUENCY (MHz)
0
AMPLITUDE (dB)
–60
–70
–80
–90
–100
–110
–120
–50
–40
0
–20
2
6
812
–10
–30
4
10
1746 G07
FREQUENCY (MHz)
0
AMPLITUDE (dB)
–60
–70
–80
–90
–100
–110
–120
–50
–40
0
–20
2
6
812
–10
–30
4
10
1746 G08
FREQUENCY (MHz)
0
AMPLITUDE (dB)
–60
–70
–80
–90
–100
–110
–120
–50
–40
0
–20
2
6
812
–10
–30
4
10
1746 G09