Datasheet LTC6421-20 (Analog Devices) - 5

LTC6421-20
TYPICAL PERFORMANCE CHARACTERISTICS Channel-to-Channel Gain Match Channel-to-Channel Group Delay Channel-to-Channel Phase Match vs Frequency Match vs Frequency vs Frequency
0.5 0.5 1.0 0.4 0.4 0.3 0.3 0.5 0.2 0.2 TCH (ns) 0.1 0.1 TCH (dB) 0 Y MA 0 TCH (DEG) 0 –0.1 – 0.1 GAIN MA –0.2 – 0.2 PHASE MA GROUP DELA – 0.5 – 0.3 – 0.3 – 0.4 – 0.4 – 0.5 – 0.5 –1.0 10 100 1000 2000 10 100 1000 2000 10 100 500 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 642120 G01 642120 G02 642120 G03
S21 Phase and Group Delay Input and Output Refl ection and Frequency Response vs Frequency Reverse Isolation vs Frequency
25 100 1.5 0 TEST CIRCUIT B TEST CIRCUIT B TEST CIRCUIT B –10 20 0 1.2 –20 GROUP DELA S11 PHASE –30 15 –100 0.9 S22 –40 GROUP DELAY Y (ns) GAIN (dB) 10 –200 0.6 –50 PHASE (DEGREE) S PARAMETERS (dB) S12 –60 5 –300 0.3 –70 0 – 400 0 –80 10 100 1000 3000 0 200 400 600 800 1000 10 100 1000 3000 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 642120 G04 642120 G05 642120 G06
Input and Output Impedance Noise Figure and Input Referred vs Frequency Noise Voltage vs Frequency Small-Signal Transient Response
250 100 15 6 INPUT REFERRED NOISE VOLTAGE (nV/√Hz) 1.35 R 14 L = 87.5Ω PER OUTPUT 225 80 Z 13 IN IMPEDANCE PHASE (DEGREE) 200 60 12 11 1.30 175 40 +OUT 10 4 Z 150 OUT 20 9 8 NOISE FIGURE 125 Z 0 IN 1.25 7 100 –20 6 5 2 75 PHASE – 40 NOISE FIGURE (dB) e OUTPUT VOLTAGE (V) IMPEDANCE MAGNITUDE 4 IN 1.20 IMPEDANCE MAGNITUDE (Ω) 50 – 60 3 – OUT 2 25 –80 Z 1 OUT 0 –100 0 0 1.15 1 10 100 1000 10 100 1000 0 5 10 15 20 FREQUENCY (MHz) FREQUENCY (MHz) TIME (ns) 642120 G07 642120 G08 642120 G09 642120fb 5 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION SELECTOR GUIDE DC ELECTRICAL CHARACTERISTICS AC ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS BLOCK DIAGRAM APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS