Datasheet LTC2308 (Analog Devices) - 6

LTC2308
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, AVDD = DVDD = OVDD = 5V, fSMPL = 500ksps, Internal Reference, unless otherwise noted. Integral Nonlinearity vs Differential Nonlinearity vs 1kHz Sine Wave Output Code Output Code 8192 Point FFT Plot
1.00 1.00 0 –10 SNR = 73.7dB 0.75 0.75 SINAD = 73.6dB –20 THD = –89.5dB –30 0.50 0.50 –40 0.25 0.25 –50 –60 0 0 –70 INL (LSB) DNL (LSB) –80 –0.25 –0.25 MAGNITUDE (dB) –90 –100 –0.50 –0.50 –110 –0.75 –0.75 –120 –130 –1.00 –1.00 –140 0 1024 2048 3072 4096 0 1024 2048 3072 4096 0 50 100 150 200 250 OUTPUT CODE OUTPUT CODE FREQUENCY (kHz) 2308 G01 2308 G02 2308 G03
Crosstalk vs Frequency for an Adjacent Pair SNR vs Input Frequency SINAD vs Input Frequency
–60 80 80 –70 75 75 –80 70 70 –90 –100 65 65 SNR (dB) –110 SINAD (dB) CROSSTALK (dB) 60 60 –120 55 55 –130 –140 50 50 0.1 1 10 100 1000 1 10 100 1000 1 10 100 1000 FREQUENCY (kHz) FREQUENCY (kHz) FREQUENCY (kHz) 3208 G04 3208 G05 3208 G06
Supply Current vs THD vs Input Frequency Sampling Frequency Supply Current vs Temperature
–60 3.5 5 –65 3.0 4 –70 2.5 –75 2.0 3 –80 THD (dB) 1.5 –85 2 1.0 –90 SUPPLY CURRENT (mA) SUPPLY CURRENT (mA) 1 –95 0.5 –100 0 0 1 10 100 1000 1 10 100 1000 –50 –25 0 25 50 75 100 125 FREQUENCY (kHz) SAMPLING FREQUENCY (ksps) TEMPERATURE (°C) 3208 G07 3208 G08 3208 G09 2308fc 6 For more information www.linear.com/LTC2308