Datasheet LTC2315-12 (Analog Devices) - 6

LTC2315-12
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, OVDD = 2.5V, fSMPL = 5Msps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity DC Histogram Near Mid-Scale vs Output Code vs Output Code (Code 2048)
1.0 1.0 60000 σ = 0.33 0.8 0.8 50000 0.6 0.6 0.4 0.4 40000 0.2 0.2 0.0 0.0 30000 INL (LSB) –0.2 DNL (LSB) –0.2 COUNTS –0.4 –0.4 20000 –0.6 –0.6 10000 –0.8 –0.8 –1.0 –1.0 0 0 1024 2048 3072 4096 0 1024 2048 3072 4096 2047 2048 2049 2050 2051 OUTPUT CODE OUTPUT CODE CODE 231512 G03 231512 G01 231512 G02
16k Point FFT, fS = 5Msps SNR, SINAD vs Input Frequency THD, Harmonics vs Input fIN = 500kHz (100kHz to 2.2MHz) Frequency (100kHz to 2.2MHz)
0 74 –75 VDD = 5V RIN/CIN = 50Ω/47pF SNR = 73.1dBFS f –20 S = 5Msps SINAD = 72.6dBFS SNR VDD = 3V THD = –84dB 73 –80 –40 SFDR = 87dBc VDD = 5V SINAD THD 2ND –60 72 –85 3RD –80 71 SNR –90 AMPLITUDE (dBFS) –100 SNR, SINAD (dBFS) VDD = 3V THD, HARMONICS (dB) 70 SINAD –95 –120 –140 69 –100 0 500 1000 1500 2000 2500 0 500 1000 1500 2000 2500 0 500 1000 1500 2000 2500 INPUT FREQUENCY (kHz) INPUT FREQUENCY (kHz) INPUT FREQUENCY (kHz) 231512 G04 231512 G05 231512 G06
THD, Harmonics vs Input SNR, SINAD vs Temperature, THD, Harmonics vs Temperature, Frequency (100kHz to 2.2MHz) fIN = 500kHz fIN = 500kHz
–75 75 –75 R V IN/CIN = 50Ω/47pF DD = 3V fS = 5Msps 74 –80 VDD = 5V –80 THD SNR VDD = 5V 73 THD 2ND –85 SINAD 72 –85 2ND 3RD 71 3RD –90 SNR –90 SNR, SINAD (dBFS) VDD = 3V 70 THD, HARMONICS (dB) SINAD THD, HARMONICS (dB) –95 –95 69 –100 68 –100 0 500 1000 1500 2000 2500 –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) 231512 G06a 231512 G07 231512 G08 231512fa 6 For more information www.linear.com/LTC2315-12