Datasheet
6
LTC1744
1744f
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Averaged, 8192 Point FFT, Input
Frequency = 2.5MHz, –20dB,
3.2V Range
Averaged, 8192 Point FFT, Input
Frequency = 20MHz, –6dB,
2V Range
Averaged, 8192 Point FFT, Input
Frequency = 20MHz, –6dB,
3.2V Range
FREQUENCY (MHz)
024681012141618202224
25.37
AMPLITUDE (dBFS)
1744 G13
0.5
–10.0
–20.0
–30.0
–40.0
–50.0
–60.0
–70.0
–80.0
–90.0
–100.0
–110.0
–120.0
T
A
= 25°C
FREQUENCY (MHz)
024681012141618202224
25.37
AMPLITUDE (dBFS)
1744 G14
0.5
–10.0
–20.0
–30.0
–40.0
–50.0
–60.0
–70.0
–80.0
–90.0
–100.0
–110.0
–120.0
T
A
= 25°C
FREQUENCY (MHz)
024681012141618202224
25.37
AMPLITUDE (dBFS)
1744 G15
0.5
–10.0
–20.0
–30.0
–40.0
–50.0
–60.0
–70.0
–80.0
–90.0
–100.0
–110.0
–120.0
T
A
= 25°C
Averaged, 8192 Point FFT, Input
Frequency = 20MHz, –20dB,
2V Range
Averaged, 8192 Point FFT, Input
Frequency = 20MHz, –20dB,
3.2V Range
Averaged, 8192 Point FFT, Input
Frequency = 51MHz, –1dB,
2V Range
FREQUENCY (MHz)
024681012141618202224
25.37
AMPLITUDE (dBFS)
1744 G16
0.5
–10.0
–20.0
–30.0
–40.0
–50.0
–60.0
–70.0
–80.0
–90.0
–100.0
–110.0
–120.0
T
A
= 25°C
T
A
= 25°C
FREQUENCY (MHz)
024681012141618202224
25.37
AMPLITUDE (dBFS)
1744 G17
0.5
–10.0
–20.0
–30.0
–40.0
–50.0
–60.0
–70.0
–80.0
–90.0
–100.0
–110.0
–120.0
FREQUENCY (MHz)
024681012141618202224
25.37
AMPLITUDE (dBFS)
1744 G18
0.5
–10.0
–20.0
–30.0
–40.0
–50.0
–60.0
–70.0
–80.0
–90.0
–100.0
–110.0
–120.0
T
A
= 25°C
Averaged, 8192 Point FFT, Input
Frequency = 2.5MHz, –6dB,
3.2V Range
Averaged, 8192 Point FFT, Input
Frequency = 2.5MHz, –20dB,
2V Range
FREQUENCY (MHz)
024681012141618202224
25.37
AMPLITUDE (dBFS)
1744 G11
0.5
–10.0
–20.0
–30.0
–40.0
–50.0
–60.0
–70.0
–80.0
–90.0
–100.0
–110.0
–120.0
T
A
= 25°C
FREQUENCY (MHz)
024681012141618202224
25.37
AMPLITUDE (dBFS)
1744 G12
0.5
–10.0
–20.0
–30.0
–40.0
–50.0
–60.0
–70.0
–80.0
–90.0
–100.0
–110.0
–120.0
T
A
= 25°C
(Note 5)
Averaged, 8192 Point FFT, Input
Frequency = 51MHz, –6dB,
2V Range
FREQUENCY (MHz)
024681012141618202224
25.37
AMPLITUDE (dBFS)
1744 G19
0.5
–10.0
–20.0
–30.0
–40.0
–50.0
–60.0
–70.0
–80.0
–90.0
–100.0
–110.0
–120.0
T
A
= 25°C