Datasheet LTC2382-16 (Analog Devices) - 6

LTC2382-16
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 2.5V, OVDD = 2.5V, REF = 2.5V, fSMPL = 500ksps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram
2.0 1.0 1800000 1.5 1600000 1400000 1.0 0.5 1200000 0.5 1000000 0.0 0.0 COUNTS 800000 –0.5 INL ERROR (LSB) DNL ERROR (LSB) 600000 –1.0 400000 –0.5 –1.5 200000 –2.0 –1.0 0 –32768 –16384 0 16384 32768 –32768 –16384 0 16384 32768 –2 –1 0 1 2 OUTPUT CODE OUTPUT CODE CODE 238216 G03 238216 G01 238216 G02
32k Point FFT fS = 500ksps, THD, Harmonics fIN = 20kHz SNR, SINAD vs Input Frequency vs Input Frequency
0 93 –80 SNR = 92.2dB –20 THD = –106dB 92 SNR –85 SINAD = 92dB –40 –90 SFDR = 107dB 91 –60 –95 90 SINAD –100 –80 89 THD 3RD –105 –100 88 –110 2ND AMPLITUDE (dBFS) –120 SNR, SINAD (dBFS) 87 –115 –140 86 HARMONICS, THD (dBFS) –120 –160 85 –125 –180 84 –130 0 50 100 150 200 250 0 25 50 75 100 125 150 175 200 0 25 50 75 100 125 150 175 200 FREQUENCY (kHz) FREQUENCY (kHz) FREQUENCY (kHz) 238216 G05 238216 G06 238216 G04
SNR, SINAD vs Input level, fIN = 20kHz SNR, SINAD vs Temperature THD, Harmonics vs Temperature
93.0 94.00 –100 93.50 92.5 SNR –105 93.00 THD SINAD SNR 92.0 92.50 2ND –110 SINAD 3RD SNR, SINAD (dBFS) SNR, SINAD (dBFS) 92.00 91.5 HARMONICS, THD (dBFS) –115 91.50 91.0 91.00 –120 –40 –30 –20 –10 0 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 INPUT LEVEL (dB) TEMPERATURE (ºC) TEMPERATURE (°C) 238216 G09 238216 G07 238216 G08 238216fa 6 For more information www.linear.com/LTC2382-16