Datasheet LTC6406 (Analog Devices) - 7

LTC6406
TYPICAL PERFORMANCE CHARACTERISTICS (QFN Package) Small-Signal Step Response Large-Signal Step Response Output Overdrive Response
2.5 –OUT +OUT 2.0 –OUT 1.5 20mV/DIV 0.2V/DIV TAGE (V) 1.0 VOL –OUT 0.5 +OUT +OUT 0 6406 G13 6406 G14 6406 G15 10ns/DIV 10ns/DIV 100ns/DIV VS = 3V VS = 3V VS = 3V VOCM = VICM = 1.25V RLOAD = 400Ω VOCM = 1.25V RLOAD = 400Ω VIN = 2VP-P, DIFFERENTIAL RLOAD = 200Ω TO GROUND PER OUTPUT RI = RF = 150Ω, CF = 1.8pF CL = 0pF VIN = 200mVP-P, DIFFERENTIAL
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 CL = 3pF 30 10 CL= 4.7pF 0 20 CL = 10pF 0 –5 VICM = 0V 10 VICM = 0.5V –10 –10 VICM = 1.25V 0 VICM = 2V –20 –15 V GAIN (dB) ICM = 3V –10 GAIN (dB) VS = 3V GAIN (dB) AV = 1 V –30 OCM = VICM = 1.25V –20 –20 AV = 2 RLOAD = 400Ω A –40 R –25 V –30 V = 5 I = RF = 150Ω, CF = 1.8pF S = 3V VS = 3V AV = 10 CAPACITOR VALUES ARE FROM EACH VOCM = 1.25V V –40 OCM = VICM = 1.25V AV = 20 –50 OUTPUT TO GROUND. –30 RLOAD = 400Ω RLOAD = 400Ω AV = 100 NO SERIES RESISTORS ARE USED. RI = RF = 150Ω, CF = 1.8pF –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 G17 6406 G18
AV (V/V) R C I (Ω) RF (Ω) F (pF)
1 150 150 1.8 2 150 300 1.8 5 150 750 0.7 10 150 1.5k 0.3 20 150 3k 0.2 100 150 15k 0 6406 G16 6406fc 7