Datasheet LTC6420-20 (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | Dual Matched 1.8GHz Differential Amplifiers/ADC Drivers |
| Seiten / Seite | 14 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. Noise Figure and Input Referred … |
| Dateiformat / Größe | PDF / 228 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. Noise Figure and Input Referred Noise Voltage vs Frequency
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LTC6420-20
TYPICAL PERFORMANCE CHARACTERISTICS Noise Figure and Input Referred Noise Voltage vs Frequency Small Signal Transient Response Overdrive Transient Response
15 6 INPUT REFERRED NOISE VOL 1.35 2.5 RL = 87.5Ω PER OUTPUT R 14 L = 87.5Ω PER OUTPUT 13 12 2.0 +OUT 11 1.30 +OUT 10 4 9 1.5 TAGE (V) TAGE (V) 8 1.25 7 NOISE FIGURE 6 1.0 T 2 AGE (nV NOISE FIGURE (dB) 5 e OUTPUT VOL 4 IN OUTPUT VOL 1.20 3 –OUT 0.5 / –OUT 2 √ Hz 1 ) 0 0 1.15 0 10 100 1000 0 2 4 6 8 10 0 50 100 150 200 FREQUENCY (MHz) TIME (ns) TIME (ns) 642020 G08 642020 G09 642020 G10
Third Order Intermodulation Harmonic Distortion vs Frequency Distortion vs Frequency
–40 –40 DIFFERENTIAL INPUT DRIVING LTC2285 VOUT = 2VP-P –50 –50 –60 –60 TION (dBc) –70 –70 –80 –80 –90 THIRD ORDER IMD (dBc) HD2 NO RL HARMONIC DISTOR –90 HD2 200Ω RL –100 HD3 NO RL DIFFERENTIAL INPUT HD3 200Ω RL VOUT = 2VP-P COMPOSITE –100 –110 0 50 100 150 200 250 300 0 50 100 150 200 250 300 FREQUENCY (MHz) FREQUENCY (MHz) 642020 G11 642020 G12
Equivalent Output Third Order Channel Separation Intercept vs Frequency vs Frequency (Note 8)
60 120 50 100 40 80 TION (dB) DIFFERENTIAL INPUT 30 V ARA OUT = 2VP-P COMPOSITE 60 (NOTE 7) OUTPUT IP3 (dBm) 20 40 CHANNEL SEP 10 20 DRIVING LTC2285 0 0 0 50 100 150 200 250 300 1 10 100 1000 FREQUENCY (MHz) FREQUENCY (MHz) 642020 G13 642020 G14 642020fb 6 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
TYPICAL PERFORMANCE CHARACTERISTICS Noise Figure and Input Referred Noise Voltage vs Frequency Small Signal Transient Response Overdrive Transient Response
15 6 INPUT REFERRED NOISE VOL 1.35 2.5 RL = 87.5Ω PER OUTPUT R 14 L = 87.5Ω PER OUTPUT 13 12 2.0 +OUT 11 1.30 +OUT 10 4 9 1.5 TAGE (V) TAGE (V) 8 1.25 7 NOISE FIGURE 6 1.0 T 2 AGE (nV NOISE FIGURE (dB) 5 e OUTPUT VOL 4 IN OUTPUT VOL 1.20 3 –OUT 0.5 / –OUT 2 √ Hz 1 ) 0 0 1.15 0 10 100 1000 0 2 4 6 8 10 0 50 100 150 200 FREQUENCY (MHz) TIME (ns) TIME (ns) 642020 G08 642020 G09 642020 G10
Third Order Intermodulation Harmonic Distortion vs Frequency Distortion vs Frequency
–40 –40 DIFFERENTIAL INPUT DRIVING LTC2285 VOUT = 2VP-P –50 –50 –60 –60 TION (dBc) –70 –70 –80 –80 –90 THIRD ORDER IMD (dBc) HD2 NO RL HARMONIC DISTOR –90 HD2 200Ω RL –100 HD3 NO RL DIFFERENTIAL INPUT HD3 200Ω RL VOUT = 2VP-P COMPOSITE –100 –110 0 50 100 150 200 250 300 0 50 100 150 200 250 300 FREQUENCY (MHz) FREQUENCY (MHz) 642020 G11 642020 G12
Equivalent Output Third Order Channel Separation Intercept vs Frequency vs Frequency (Note 8)
60 120 50 100 40 80 TION (dB) DIFFERENTIAL INPUT 30 V ARA OUT = 2VP-P COMPOSITE 60 (NOTE 7) OUTPUT IP3 (dBm) 20 40 CHANNEL SEP 10 20 DRIVING LTC2285 0 0 0 50 100 150 200 250 300 1 10 100 1000 FREQUENCY (MHz) FREQUENCY (MHz) 642020 G13 642020 G14 642020fb 6 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