Datasheet LTC6400-8 (Analog Devices) - 7

LTC6400-8
TYPICAL PERFORMANCE CHARACTERISTICS 1% Settling Time for 2V Overdrive Recovery Response Output Step Harmonic Distortion vs Frequency
5 5.0 5 –40 RL = 87.5Ω PER OUTPUT RL = 87.5Ω PER OUTPUT DIFFERENTIAL INPUT 4 TEST CIRCUIT B 4.5 4 TEST CIRCUIT B VOUT = 2VP-P –50 3 4.0 3 OUTPUT VOL 2 –IN 3.5 2 –60 1 3.0 1 TION (dBc) –70 TAGE (V) +IN 0 2.5 0 TAGE (V) TLING (%) –80 –1 +OUT 2.0 –1 SET INPUT VOL –2 1.5 –2 –90 HD2 NO RL –3 1.0 –3 HARMONIC DISTOR HD2 200Ω R –100 L –4 –OUT 0.5 –4 HD3 NO RL HD3 200Ω RL –5 0 –5 –110 0 20 40 60 80 100 120 140 160 180 200 0 1 2 3 4 5 0 50 100 150 200 250 300 TIME (ns) TIME (ns) FREQUENCY (MHz) 64008 G10 64008 G11 64008 G12
Third Order Intermodulation Third Order Intermodulation Distortion vs Frequency Harmonic Distortion vs Frequency Distortion vs Frequency
–40 –40 –40 DIFFERENTIAL INPUT SINGLE-ENDED INPUT SINGLE-ENDED INPUT VOUT = 2VP-P COMPOSITE V V OUT = 2VP-P OUT = 2VP-P COMPOSITE –50 –50 –50 –60 –60 –60 200Ω RL 200Ω R TION (dBc) L –70 –70 –70 NO RL NO RL –80 –80 –80 –90 –90 –90 THIRD ORDER IMD (dBc) HD2 NO R THIRD ORDER IMD (dBc) L HARMONIC DISTOR HD2 200Ω R –100 –100 L –100 HD3 NO RL HD3 200Ω RL –110 –110 –110 0 50 100 150 200 250 300 0 50 100 150 200 250 300 0 50 100 150 200 250 300 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 64008 G13 64008 G14 64008 G15
Equivalent Output 1dB Equivalent Output Third Order Compression Point vs Frequency Intercept Point vs Frequency IMD3 vs VICM and VOCM
20 70 –85 60 19 –88 SWEEP V 50 OCM, NO R INPUT AC-COUPLE L 18 –91 40 200Ω RL 30 17 IMD3 (dBc) –94 SWEEP VICM, V OUTPUT IP3 (dBm) OCM = 1.25V 20 16 –97 DIFFERENTIAL INPUT 10 R DIFFERENTIAL INPUT, NO RL L = 375Ω DIFFERENTIAL INPUT OUTPUT 1dB COMPRESSION POINT (dBm) TEST CIRCUIT A (NOTE 7) (NOTE 7) VOUT = 100MHz, 2VP-P COMPOSITE 15 0 –100 0 50 100 150 200 250 300 0 50 100 150 200 250 300 1.0 1.2 1.4 1.6 1.8 FREQUENCY (MHz) FREQUENCY (MHz) COMMON MODE VOLTAGE (V) 64008 G16 64008 G17 64008 G18 64008f 7