Datasheet LTC2313-14 (Analog Devices) - 6

LTC2313-14
Typical perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, fSMPL = 2.5Msps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity DC Histogram Near Mid-Scale vs Output Code vs Output Code (Code 8192)
2.0 1.00 7000 σ = 0.7 1.5 0.75 6000 1.0 0.50 5000 0.5 0.25 4000 0.0 0.00 INL (LSB) COUNTS 3000 –0.5 DNL (LSB) –0.25 2000 –1.0 –0.50 –1.5 –0.75 1000 –2.0 –1.00 0 0 4096 8192 12288 16384 0 4096 8192 12288 16384 8194 8195 8196 8197 8198 8199 8200 OUTPUT CODE OUTPUT CODE CODE 231314 G01 231314 G02 231314 G03
16k Point FFT, fS = 2.5Msps SNR, SINAD vs Input Frequency THD, Harmonics vs Input fIN = 497kHz (100kHz to 1.2MHz) Frequency (100kHz to 1.2MHz)
0 78 –75 VDD = 5V SNR RIN/CIN = 50Ω/47pF –20 SNR = 77.5dBFS fS = 2.5Msps SINAD = 77dBFS 77 –80 VDD = 5V –40 THD = –85dB SINAD VDD = 5V THD SFDR = 87dB 76 –85 –60 2ND –80 75 –90 3RD –100 AMPLITUDE (dBFS) SNR, SINAD (dBFS) 74 –95 –120 THD, HARMONICS (dB) SNR 73 –100 –140 VDD = 3V SINAD –160 72 –105 0 250 500 750 1000 0 250 500 750 1000 1250 0 250 500 750 1000 1250 INPUT FREQUENCY (kHz) INPUT FREQUENCY (kHz) INPUT FREQUENCY (kHz) 231314 F04 231314 G05 231314 G06
THD, Harmonics vs Input SNR, SINAD vs Temperature, THD, Harmonics vs Temperature, Frequency (100kHz to 1.2MHz) fIN = 497kHz fIN = 497kHz
–75 79 –75 V R DD = 3V IN/CIN = 50Ω/47pF fS = 2.5Msps 78 SNR –80 VDD = 3V THD VDD = 5V –80 77 –85 SINAD THD 2ND 76 –85 2ND –90 75 3RD –90 74 –95 SNR, SINAD (dBFS) SNR 3RD THD, HARMONICS (dB) THD, HARMONICS (dB) 73 VDD = 3V –95 –100 SINAD 72 –105 71 –100 0 250 500 750 1000 1250 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 INPUT FREQUENCY (kHz) TEMPERATURE (°C) TEMPERATURE (°C) 231314 G09 231314 G07 231314 G08 231314fb 6 For more information www.linear.com/LTC2313-14 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Reference Input/Output Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagrams Applications Information Package Description Related Parts