Datasheet LTC6401-20 (Analog Devices) - 7

LTC6401-20
TYPICAL PERFORMANCE CHARACTERISTICS Harmonic Distortion (Unfi ltered) Harmonic Distortion (Filtered) vs Third Order Intermodulation vs Frequency Frequency Distortion vs Frequency
–40 –40 –40 DIFFERENTIAL INPUT DIFFERENTIAL INPUT UNFILTERED NO RL V V UNFILTERED 200 OUT = 2VP-P Ω R –50 –50 OUT = 2VP-P –50 L NO RL FILTERED NO RL –60 –60 –60 –70 –70 –70 –80 –80 –80 –90 –90 –90 –100 –100 THIRD ORDER IMD (dBc) –100 HD2 NO RL HARMONIC DISTORTION (dBc) HARMONIC DISTORTION (dBc) HD2 200Ω RL –110 –110 HD3 NO RL HD2 –110 DIFFERENTIAL INPUT HD3 200Ω RL HD3 VOUT = 2VP-P COMPOSITE –120 –120 –120 0 50 100 150 200 0 50 100 150 200 0 50 100 150 200 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 640120 G12 640120 G13 640120 G14
Harmonic Distortion (Unfi ltered) Harmonic Distortion (Filtered) vs Third Order Intermodulation vs Frequency Frequency Distortion vs Frequency
–40 –40 –40 SINGLE-ENDED INPUT SINGLE-ENDED INPUT UNFILTERED NO RL V V UNFILTERED 200 OUT = 2VP-P OUT = 2VP-P Ω R –50 –50 –50 L NO R FILTERED NO R L L –60 –60 –60 –70 –70 –70 –80 –80 –80 –90 –90 –90 –100 –100 THIRD ORDER IMD (dBc) –100 HD2 NO RL HARMONIC DISTORTION (dBc) HARMONIC DISTORTION (dBc) HD2 200Ω RL –110 –110 –110 HD3 NO RL HD2 SINGLE-ENDED INPUT HD3 200Ω RL HD3 VOUT = 2VP-P COMPOSITE –120 –120 –120 0 50 100 150 200 0 50 100 150 200 0 50 100 150 200 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 640120 G15 640120 G16 640120 G17
Harmonic Distortion vs Output Common Mode Voltage Equivalent Output 1dB (Unfi ltered Outputs) Compression Point vs Frequency
–40 20 DIFFERENTIAL INPUT DIFFERENTIAL INPUT VOUT = 2VP-P at 100MHz RL = 400Ω –50 RL = 400Ω (NOTE 7) 19 –60 18 HD3 –70 17 DISTORTION (dBc) –80 HD2 16 –90 OUTPUT 1dB COMPRESSION (dBm) –100 15 1.0 1.1 1.2 1.3 1.4 1.5 50 80 110 140 170 200 OUTPUT COMMON MODE VOLTAGE (V) FREQUENCY (MHz) 640120 G18 640020 G19 640120f 7