Datasheet LTC6400-20 (Analog Devices) - 7

LTC6400-20
TYPICAL PERFORMANCE CHARACTERISTICS S21 Phase and Group Delay vs Frequency Response Gain 0.1dB Flatness Frequency
25 1.0 0 1.2 TEST CIRCUIT B TEST CIRCUIT B TEST CIRCUIT B 0.8 20 0.6 –100 0.9 GROUP DELAY (ns) 0.4 15 0.2 0 –200 0.6 GAIN (dB) 10 –0.2 PHASE (DEGREE) GAIN FLATNESS (dB) –0.4 –300 0.3 5 –0.6 –0.8 PHASE GROUP DELAY 0 –1.0 –400 0 10 100 1000 3000 10 100 1000 3000 0 200 400 600 800 1000 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 640020 G01 640020 G02 640020 G03
Input and Output Refl ection and Input and Output Impedance vs Reverse Isolation vs Frequency Frequency PSRR and CMRR vs Frequency
0 250 50 100 TEST CIRCUIT B –10 90 Z ) IN Ω 200 30 80 PSRR –20 S11 PHASE (DEGREES) 70 ZOUT –30 150 10 60 –40 S22 ZIN 50 CMRR 100 –10 –50 40 PHASE PSRR, CMRR (dB) S PARAMETERS (dB) 30 –60 IMPEDANCE MAGNITUDE S12 IMPEDANCE MAGNITUDE ( 50 –30 20 –70 10 ZOUT –80 0 –50 0 10 100 1000 3000 1 10 100 1000 1 10 100 1000 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 640020 G04 640020 G05 640020 G06
Noise Figure and Input Referred Noise Voltage vs Frequency Small Signal Transient Response Large Signal Transient Response
15 6 INPUT REFERRED NOISE VOLTAGE (nV/ 1.35 2.5 R R 14 L = 87.5Ω PER OUTPUT L = 87.5Ω PER OUTPUT 13 12 2.0 11 1.30 +OUT 10 4 +OUT 9 1.5 8 1.25 7 NOISE FIGURE 6 1.0 NOISE FIGURE (dB) 5 2 4 EN OUTPUT VOLTAGE (V) OUTPUT VOLTAGE (V) 1.20 –OUT 3 –OUT 0.5 2 √Hz) 1 0 0 1.15 0 10 100 1000 0 2 4 6 8 10 0 2 4 6 8 10 FREQUENCY (MHz) TIME (ns) TIME (ns) 640020 G07 640020 G08 640020 G09 640020f 7