Datasheet LTC2355-12, LTC2355-14 (Analog Devices) - 6

LTC2355-12/LTC2355-14
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 3.3V (LTC2355-14) THD, 2nd and 3rd vs Input SINAD vs Input Frequency Frequency SFDR vs Input Frequency
77 –50 92 74 –56 86 71 –62 THD 80 68 –68 2nd –74 65 3rd 74 –80 62 SINAD (dB) 68 –86 SFDR (dB) 59 THD, 2nd, 3rd (dB) –92 62 56 –98 56 53 –104 50 –110 50 0.1 1 10 100 0.1 1 10 100 0.1 1 10 100 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 2355 G02 2355 G01 2355 G03
100kHz Sine Wave 8192 Point 1.4MHz Sine Wave 8192 Point SNR vs Input Frequency FFT Plot FFT Plot
77 0 0 74 –10 –10 –20 –20 71 –30 –30 68 –40 –40 65 –50 –50 –60 –60 SNR (dB) 62 –70 –70 59 MAGNITUDE (dB) –80 MAGNITUDE (dB) –80 56 –90 –90 –100 –100 53 –110 –110 50 –120 –120 0.1 1 10 100 0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75 0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 2355 G04 2355 G05 2355 G06
Differential Linearity Integral Linearity vs Output Code vs Output Code
1.0 4 0.8 3 0.6 2 Y (LSB) 0.4 Y (LSB) 0.2 1 0 0 –0.2 –1 –0.4 INTEGRAL LINEARIT –2 DIFFERENTIAL LINEARIT –0.6 –0.8 –3 –1.0 –4 0 4096 8192 12288 16384 0 4096 8192 12288 16384 OUTPUT CODE OUTPUT CODE 2355 G07 2355 G08 2355fb 6 For more information www.linear.com/LTC2355-12 Document Outline Features Description Applications Block Diagram Absolute Maximum Ratings Pin Configuration Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Digital Outputs Power Requirements Timing Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram Applications Information Package Description Revision History Typical Application Related Parts