Datasheet LTC2158-12 (Analog Devices) - 7

LTC2158-12
TYPICAL PERFORMANCE CHARACTERISTICS LTC2158-12: 32K Point FFT, LTC2158-12: 32K Point FFT, LTC2158-12: 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) 215812 G10 215812 G11 215812 G12
LTC2158-12: SNR vs Input Level, LTC2158-12: SFDR vs Input Level, fIN = 70MHz, 1.32V Range, LTC2158-12: Shorted Input Histogram fIN = 70MHz, 1.32V Range, 310Msps 310Msps
18000 120 70 16000 dBFS 14000 100 60 dBFS 12000 50 80 10000 40 COUNT 8000 60 dBc dBc SFDR (dBFS) 30 6000 40 SNR (dBc AND dBFS) 20 4000 20 2000 10 0 0 0 2052 2056 2060 2064 –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) 215812 G13 215812 G14 215812 G15
LTC2158-12: SFDR vs Input LTC2158-12: 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) 215812 G16 215812 G17 215812fa For more information www.linear.com/LTC2158-12 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