Datasheet LTC2157-14, LTC2156-14, LTC2155-14 (Analog Devices) - 6

LTC2157-14/ LTC2156-14/LTC2155-14
TYPICAL PERFORMANCE CHARACTERISTICS LTC2157-14: Integral Nonlinearity LTC2157-14: Differential Nonlinearity LTC2157-14: 32K Point FFT, (INL) (DNL) fIN = 15MHz, –1dBFS, 250Msps
2.0 0.5 0 1.5 –20 1.0 0.25 –40 0.5 0 0 –60 –0.5 INL ERROR (LSB) DNL ERROR (LSB) AMPLITUDE (dBFS) –80 –1.0 –0.25 –100 –1.5 –2.0 –0.5 –120 0 4096 8192 12288 16383 0 4096 8192 12288 16383 0 20 40 60 80 100 120 OUTPUT CODE OUTPUT CODE FREQUENCY (MHz) 21576514 G01 21576514 G02 21576514 G03
LTC2157-14: 32K Point FFT, LTC2157-14: 32K Point FFT, LTC2157-14: 32K Point FFT, fIN = 70MHz, –1dBFS, 250Msps fIN = 122MHz, –1dBFS, 250Msps fIN = 171MHz, –1dBFS, 250Msps
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 0 20 40 60 80 100 120 0 20 40 60 80 100 120 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 21576514 G04 21576514 G05 21576514 G06
LTC2157-14: 32K Point 2-Tone FFT, LTC2157-14: 32K Point FFT, LTC2157-14: 32K Point FFT, fIN = 70.5MHz and 69.5MHz, fIN = 381MHz, –1dBFS, 250Msps fIN = 907MHz, –1dBFS, 250Msps 250Msps
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 0 20 40 60 80 100 120 0 20 40 60 80 100 120 FREQUENCY (MHz) FREQUENCY (MHz) INPUT FREQUENCY (MHz) 21576514 G08a 21576514 G07 21576514 G08 21576514fb 6 For more information www.linear.com/LTC2157-14 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 Timing Diagrams Typical Performance Characteristics Pin Functions Functional Block Diagram Applications Information Package Description Related Parts