Datasheet LTC1743 (Analog Devices) - 8

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