Datasheet LTC2157-12, LTC2156-12, LTC2155-12 (Analog Devices) - 10
| Fabricante | Analog Devices |
| Descripción | Dual 12-Bit 250Msps ADCs |
| Páginas / Página | 32 / 10 — TYPICAL PERFORMANCE CHARACTERISTICS. LTC2157-12: SNR vs Input. Frequency, … |
| Formato / tamaño de archivo | PDF / 946 Kb |
| Idioma del documento | Inglés |
TYPICAL PERFORMANCE CHARACTERISTICS. LTC2157-12: SNR vs Input. Frequency, –1dBFS, 1.5V Range,
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Versión de texto del documento
LTC2157-12/ LTC2156-12/LTC2155-12
TYPICAL PERFORMANCE CHARACTERISTICS LTC2157-12: SNR vs Input Frequency, –1dBFS, 1.5V Range, LTC2156-12: Integral Nonlinearity 250Msps LTC2157-12: Frequency Response (INL)
75 –0.5 2.0 –1.0 1.5 70 –1.5 1.0 65 –2.0 0.5 60 –2.5 0 55 –3.0 SNR (dBFS) –0.5 –3.5 INL ERROR (LSB) 50 INPUT AMPLITUDE (dBFS) –4.0 –1.0 45 –4.5 –1.5 40 –5.0 –2.0 0 100 200 300 400 500 600 700 800 900 1000 100 1000 0 4095 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) OUTPUT CODE 21576512 G20 21576512 G18 21576512 G19
LTC2156-12: Differential LTC2156-12: 32K Point FFT, LTC2156-12: 32K Point FFT, Nonlinearity (DNL) fIN = 15MHz, –1dBFS, 210Msps fIN = 71MHz, –1dBFS, 210Msps
0.50 0 0 –20 –20 0.25 –40 –40 0 –60 –60 DNL ERROR (LSB) AMPLITUDE (dBFS) –80 AMPLITUDE (dBFS) –80 –0.25 –100 –100 –0.50 –120 –120 0 4095 0 20 40 60 80 100 0 20 40 60 80 100 OUTPUT CODE FREQUENCY (MHz) FREQUENCY (MHz) 21576512 G21 21576512 G22 21576512 G23
LTC2156-12: 32K Point FFT, LTC2156-12: 32K Point FFT, LTC2156-12: 32K Point FFT, fIN = 101MHz, –1dBFS, 210Msps fIN = 171MHz, –1dBFS, 210Msps fIN = 227MHz, –1dBFS, 210Msps
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 0 20 40 60 80 100 0 20 40 60 80 100 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 21576512 G24 21576512 G25 21576512 G26 21576512fb 10 For more information www.linear.com/LTC2157-12 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 Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS LTC2157-12: SNR vs Input Frequency, –1dBFS, 1.5V Range, LTC2156-12: Integral Nonlinearity 250Msps LTC2157-12: Frequency Response (INL)
75 –0.5 2.0 –1.0 1.5 70 –1.5 1.0 65 –2.0 0.5 60 –2.5 0 55 –3.0 SNR (dBFS) –0.5 –3.5 INL ERROR (LSB) 50 INPUT AMPLITUDE (dBFS) –4.0 –1.0 45 –4.5 –1.5 40 –5.0 –2.0 0 100 200 300 400 500 600 700 800 900 1000 100 1000 0 4095 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) OUTPUT CODE 21576512 G20 21576512 G18 21576512 G19
LTC2156-12: Differential LTC2156-12: 32K Point FFT, LTC2156-12: 32K Point FFT, Nonlinearity (DNL) fIN = 15MHz, –1dBFS, 210Msps fIN = 71MHz, –1dBFS, 210Msps
0.50 0 0 –20 –20 0.25 –40 –40 0 –60 –60 DNL ERROR (LSB) AMPLITUDE (dBFS) –80 AMPLITUDE (dBFS) –80 –0.25 –100 –100 –0.50 –120 –120 0 4095 0 20 40 60 80 100 0 20 40 60 80 100 OUTPUT CODE FREQUENCY (MHz) FREQUENCY (MHz) 21576512 G21 21576512 G22 21576512 G23
LTC2156-12: 32K Point FFT, LTC2156-12: 32K Point FFT, LTC2156-12: 32K Point FFT, fIN = 101MHz, –1dBFS, 210Msps fIN = 171MHz, –1dBFS, 210Msps fIN = 227MHz, –1dBFS, 210Msps
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 0 20 40 60 80 100 0 20 40 60 80 100 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 21576512 G24 21576512 G25 21576512 G26 21576512fb 10 For more information www.linear.com/LTC2157-12 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 Related Parts