Datasheet LTC2258-14, LTC2257-14, LTC2256-14 (Analog Devices) - 10

LTC2258-14 LTC2257-14/LTC2256-14
Typical perForMance characTerisTics LTC2258-14: Integral LTC2258-14: Differential LTC2258-14: 8k Point FFT, Nonlinearity (INL) Nonlinearity (DNL) fIN = 5MHz, –1dBFS, 65Msps
2.0 1.0 0 –10 1.5 0.8 –20 0.6 1.0 –30 0.4 –40 0.5 0.2 –50 0 0 –60 –0.5 –0.2 –70 INL ERROR (LSB) DNL ERROR (LSB) –0.4 AMPLITUDE (dBFS) –80 –1.0 –90 –0.6 –100 –1.5 –0.8 –110 –2.0 –1.0 –120 0 4096 8192 12288 16384 0 4096 8192 12288 16384 0 10 20 30 OUTPUT CODE OUTPUT CODE FREQUENCY (MHz) 225814 G01 225814 G02 225814 G03
LTC2258-14: 8k Point FFT, LTC2258-14: 8k Point FFT, LTC2258-14: 8k Point FFT, fIN = 30MHz, –1dBFS, 65Msps fIN = 70MHz, –1dBFS, 65Msps fIN = 140MHz, –1dBFS, 65Msps
0 0 0 –10 –10 –10 –20 –20 –20 –30 –30 –30 –40 –40 –40 –50 –50 –50 –60 –60 –60 –70 –70 –70 AMPLITUDE (dBFS) –80 AMPLITUDE (dBFS) –80 AMPLITUDE (dBFS) –80 –90 –90 –90 –100 –100 –100 –110 –110 –110 –120 –120 –120 0 10 20 30 0 10 20 30 0 10 20 30 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 225814 G04 225814 G05 225814 G06
LTC2258-14: 8k Point 2-Tone FFT, LTC2258-14: SNR vs Input fIN = 68MHz, 69MHz, –1dBFS, LTC2258-14: Shorted Input Frequency, –1dB, 2V Range, 65Msps Histogram 65Msps
0 6000 74 –10 73 –20 5000 –30 72 –40 4000 71 –50 –60 3000 70 COUNT –70 SNR (dBFS) 69 AMPLITUDE (dBFS) –80 2000 –90 68 –100 1000 67 –110 –120 0 66 0 10 20 30 8197 8199 8201 8203 8205 0 50 100 150 200 250 300 350 FREQUENCY (MHz) OUTPUT CODE INPUT FREQUENCY (MHz) 225814 G07 225814 G08 225814 G09 225814fc 10 Fo F r o rmo m r o e r e inf n o f r o m r a m t a iton o n ww w w w . w line n a e r a .co c m o / m L / T L C T 2 C 2 2 5 2 8 5 - 8 1 - 4 1 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configurations Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Outputs Power Requirements Timing Characteristics Timing Diagrams Typical Performance Characteristics Pin Functions Functional Block Diagram Applications Information Typical Applications Package Description Revision History Related Parts