Datasheet LTC6419 (Analog Devices) - 8

LTC6419
TYPICAL PERFORMANCE CHARACTERISTICS Frequency Response vs Closed Frequency Response vs Load Loop Gain Capacitance
60 20 AV = 400 CL = 0pF 50 CL = 0.5pF AV = 100 C 40 10 L = 1pF
AV (V/V) RI (Ω) RF (Ω) CF (pF)
CL = 1.5pF A 30 V = 20 1 150 150 1.3 CL = 2pF 2 100 200 1 AV = 10 0 20 A 5 50 250 0.8 V = 5 10 A 10 50 500 0.4 V = 2 GAIN (dB) GAIN (dB) A 20 25 500 0.4 –10 VS = 5V V = 1 0 V 100 25 2.5k 0 OCM = VICM = 1.25V RLOAD = 400Ω –10 400 25 10k 0 R V I = RF = 150Ω, CF = 1.3pF S = 5V –20 CAPACITOR VALUES ARE FROM –20 VOCM = VICM = 1.25V EACH OUTPUT TO GROUND. RLOAD = 400Ω NO SERIES RESISTORS ARE USED. –30 –30 1 10 100 1000 10000 1 10 100 1000 10000 FREQUENCY (MHz) FREQUENCY (MHz) 6419 G15 6419 G16
Gain 0.1dB Flatness Channel Separation vs Frequency Slew Rate vs Temperature
1.0 120 3400 0.9 VS = 5V 0.8 0.7 3375 100 0.6 0.5 3350 0.4 0.3 80 /µs) 0.2 3325 TION (dB) 0.1 0.0 ARA TE (V 60 3300 –0.1 GAIN (dB) –0.2 –0.3 3275 40 –0.4 SLEW RA –0.5 V 3250 S = 5V –0.6 CHANNEL SEP VOCM = VICM = 1.25V –0.7 20 R –0.8 3225 LOAD = 400Ω –0.9 RI = RF = 150Ω, CF = 1.3pF –1.0 0 3200 1 10 100 1000 10000 1 10 100 1000 10000 –50 –25 0 25 50 75 100 125 FREQUENCY (MHz) FREQUENCY (MHz) TEMPERATURE (°C) 6419 G17 6419 G08 6419 G28
Low-Frequency Harmonic Harmonic Distortion vs Output Distortion Harmonic Distortion vs Frequency Common Mode Voltage
–80 –50 –30 VS = 5V V V S = 5V OCM = VICM = 1.25V –60 –40 f R IN = 100MHz I = RF = 150Ω –90 R V LOAD = 400Ω OUTDIFF = 2VP-P –50 R DIFFERENTIAL INPUTS –70 I = RF = 150Ω VOUTDIFF = 2VP-P –100 –60 DIFFERENTIAL INPUTS –80 HD2 TION (dBc) TION (dBc) –70 TION (dBc) –90 HD3 –110 –80 HD3 VS = 5V DISTOR DISTOR DISTOR –100 VOCM = VICM = 1.25V HD2 R –90 LOAD = 400Ω –120 HD3 RI = RF = 150Ω –110 HD2 V –100 OUTDIFF = 2VP-P DIFFERENTIAL INPUTS –130 –120 –110 0.1 1 10 100 10 100 1000 0.5 1 1.5 2 2.5 3 3.5 FREQUENCY (kHz) FREQUENCY (MHz) OUTPUT COMMON MODE VOLTAGE (V) 6419 G30 6419 G19 6419 G20 6419fa 8 For more information www.linear.com/LTC6419 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Typical Performance Characteristics Pin Functions Applications Information Typical Applications Typical Applications Related Parts