Datasheet LTC6406 (Analog Devices) - 9

LTC6406
TYPICAL PERFORMANCE CHARACTERISTICS (MSOP Package) Frequency Response Frequency Response Frequency Response vs Input vs Closed-Loop Gain vs Load Capacitance Common Mode Voltage
50 30 10 CL = 0pF 40 20 CL = 2pF 5 C 30 L = 3pF 10 CL= 4.7pF 0 20 CL = 10pF VICM = 0V 0 –5 VICM = 0.5V 10 V –10 –10 ICM = 1.25V 0 VICM = 2V –20 –15 VICM = 3V GAIN (dB) –10 GAIN (dB) V GAIN (dB) A S = 3V V = 1 –30 V –20 –20 A OCM = VICM = 1.25V V = 2 R A LOAD = 400Ω V –30 V = 5 –40 R –25 S = 3V V I = RF = 150Ω, CF = 2.2pF S = 3V AV = 10 V CAPACITOR VALUES ARE FROM OCM = 1.25V –40 VOCM = VICM = 1.25V AV = 20 –50 R EACH OUTPUT TO GROUND. –30 LOAD = 400Ω RLOAD = 400Ω AV = 100 R NO SERIES RESISTORS ARE USED. I = RF = 150Ω, CF = 2.2pF –50 –60 –35 1 10 100 1000 2000 1 10 100 1000 2000 1 10 100 1000 2000 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 6406 G29 6406 G30
AV (V/V) R C I (Ω) RF (Ω) F (pF)
1 150 150 2.2 2 150 300 2.2 5 150 750 0.9 10 150 1.5k 0.4 20 150 3k 0.2 100 150 15k 0 6406 G28
Harmonic Distortion Harmonic Distortion Harmonic Distortion vs Frequency vs Input Common Mode Voltage vs Input Amplitude
–30 –40 –40 V V S = 3V 2ND, R S = 3V I = RF = 150Ω V –40 VOCM = VICM = 1.25V 2ND, R OCM = VICM = 1.25V I = RF = 500Ω R f LOAD = 800Ω –50 3RD, R –50 IN = 50MHz I = RF = 150Ω R –50 VOUTDIFF = 2VP-P 3RD, R LOAD = 800Ω I = RF = 500Ω DIFFERENTIAL INPUTS RI = RF = 150Ω –60 –60 DIFFERENTIAL INPUTS –60 2ND, R 2ND I = RF = 150Ω 2ND, RI = RF = 500Ω TION (dBc) –70 3RD, R –70 –70 I = RF = 150Ω TION (dBc) TION (dBc) 3RD 3RD, RI = RF = 500Ω –80 VS = 3V DISTOR DISTOR –80 –80 V DISTOR OCM = 1.25V –90 fIN = 50MHz –90 RLOAD = 800Ω –90 –100 VOUTDIFF = 2VP-P DIFFERENTIAL INPUTS –110 –100 –100 10 10 100 0 0.5 1.0 1.5 2.0 2.5 3.0 –4 –2 0 2 4 6 8 10 FREQUENCY (MHz) INPUT COMMON MODE VOLTAGE (V) (0.4VP-P) INPUT AMPLITUDE (dBm) (2VP-P) 6406 G31 6406 G32 6406 G33 6406fc 9