Datasheet LTC2158-14 (Analog Devices) - 7

LTC2158-14
TYPICAL PERFORMANCE CHARACTERISTICS LTC2158-14: 32K Point FFT, LTC2158-14: 32K Point FFT, LTC2158-14: 32K Point 2-Tone FFT, fIN = 567MHz, –1dBFS, 310Msps fIN = 907MHz, –1dBFS, 310Msps fIN = 71MHz and 69MHz, 310Msps
0 0 0 –20 –20 –20 –40 –40 –40 –60 –60 –60 AMPLITUDE (dBFS) –80 AMPLITUDE (dBFS) –80 AMPLITUDE (dBFS) –80 –100 –100 –100 –120 –120 –120 0 20 40 60 80 100 120 140 0 20 40 60 80 100 120 140 0 20 40 60 80 100 120 140 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 215814 G10 215814 G11 215814 G12
LTC2158-14: SNR vs Input Level, LTC2158-14: Shorted Input LTC2158-14: SFDR vs Input Level, fIN = 70MHz, 1.32V Range, Histogram fIN = 70MHz, 1.32V Range, 310Msps 310Msps
25000 120 dBFS 70 20000 100 dBFS 60 50 15000 80 dBc 40 COUNT 60 dBc 10000 SFDR (dBFS) 30 40 SNR (dBc AND dBFS) 20 5000 20 10 0 0 0 8192 8196 8200 8204 8208 8212 8216 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 –70 –60 –50 –40 –30 –20 –10 0 OUTPUT CODE AMPLITUDE (dBFS) INPUT LEVEL (dBFS) 215814 G13 215814 G14 215814 G15
LTC2158-14: SFDR vs Input LTC2158-14: SNR vs Input Frequency, –1dBFS, 1.32V Range, Frequency, –1dBFS, 1.32V Range, 310Msps 310Msps
75 90 80 70 70 65 60 60 50 40 55 SFDR (dBFS) SNR (dBFS) 30 50 20 45 10 0 40 0 100 200 300 400 500 600 700 800 900 1000 0 100 200 300 400 500 600 700 800 900 1000 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) 215814 G16 215814 G17 215814fa For more information www.linear.com/LTC2158-14 7 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Power Requirements Digital Inputs And Outputs Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagrams Applications Information Typical Applications Package Description Related Parts