Datasheet LTC6404 (Analog Devices) - 9

LTC6404
LTC6404-1 TYPICAL PERFORMANCE CHARACTERISTICS Small-Signal Frequency Response vs Gain Setting Resistor Values Small-Signal Frequency Small-Signal Frequency and Supply Voltage Response vs CLOAD Response vs Temperature
5 10 10 CLOAD = 10pF TA = –45°C 0 5 5 RF = RI = 100Ω –5 0 0 RF = RI = 200Ω CLOAD = 5pF T –10 A = 25°C C –5 LOAD = 0pF R –5 F = RI = 499Ω GAIN (dB) –15 GAIN (dB) UNFILTERED OUTPUTS GAIN (dB) TA = 90°C VS = 3V –10 VCM = VOCM = MID-SUPPLY –10 –20 VS = 5V TA = 25°C UNFILTERED OUTPUTS RF = RI = 100Ω UNFILTERED OUTPUTS –15 V –15 –25 VCM = VOCM = MID-SUPPLY S = 3V AND VS = 5V VCM = VOCM = MID-SUPPLY TA = 25°C RLOAD = 200Ω, RF = RI = 100Ω VS = 3V AND VS = 5V (EACH OUTPUT TO GROUND) VS = 3V AND VS = 5V –30 –20 –20 10 100 1000 10 100 1000 10 100 1000 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 64041 G10 64041 G11 64041 G12
Small-Signal Frequency Response vs Temperature Large-Signal Step Response Small-Signal Step Response
5 1.5 0.50 UNFILTERED DIFFERENTIAL OUTPUT 0 TA = 25°C 1.0 VINDIFF –5 FILTERED 0.25 ) (V) (V) DIFFERENTIAL – – 0.5 –10 OUTPUT V V INDIFF OUTDIFF VOUTDIFF – OUT – OUT + + –15 TA = 90°C 0 0 GAIN (dB) T (OUT (OUT –20 A = 25°C TA = –45°C –0.5 –25 FILTERED OUTPUT OUTDIFF OUTDIFF –0.25 V V V –1.0 –30 CM = VOCM = MID-SUPPLY RF = RI = 100Ω VCM = VOCM = MID-SUPPLY VCM = VOCM = MID-SUPPLY VS = 3V AND VS = 5V R R –35 F = RI = 100Ω F = RI = 100Ω –1.5 –0.50 10 100 1000 0 3 6 9 12 15 0 3 6 9 12 15 FREQUENCY (MHz) TIME (ns) TIME (ns) 64041 G14 64041 G15 64041 G13
Distortion vs Input Common Mode Distortion vs Frequency Voltage Distortion vs Output Amplitude
–40 –40 –30 V V V CM = VOCM = MID-SUPPLY S = 3V CM = VOCM = MID-SUPPLY R V –50 VS = 3V F = RI = 100Ω S = 3V –50 –40 V V T OUTDIFF = 2VP-P IN = 2VP-P A = 25oC f C –60 RF = RI = 100Ω IN = 10MHz –50 F = 0pF –60 RF = RI = 1007 DIFFERENTIAL INPUT DIFFERENTIAL V –70 IN = FULLY DIFFERENTIAL INPUT SINGLE-ENDED INPUT INPUT –60 f –70 SINGLE-ENDED IN = 10MHz –80 INPUT –70 –80 HD2 –80 HD2, HD3 (dBc) –90 HD3 HD2, HD3 (dBc) HD2, HD3 (dBc) HD2 HD2 –90 HD3 –100 –90 HD2 HD3 HD2 –110 –100 –100 HD3 HD3 –120 –110 –110 0.1 1.0 10 100 0 0.5 1.0 1.5 2.0 2.5 3.0 0 1 2 3 4 5 6 FREQUENCY (MHz) DC COMMON MODE INPUT (AT IN+ AND IN– PINS) (V) VOUTDIFF (VP-P) 64041 G17 64041 G18 64041 G16 6404f 9