Datasheet LTC1408-12 (Analog Devices) - 5

LTC1408-12
W U TYPICAL PERFOR A CE CHARACTERIST V ICS DD = 3V, TA = 25
°
C THD, 2nd and 3rd THD, 2nd and 3rd SINAD vs Input Frequency vs Input Frequency vs Input Frequency
–50 –50 74 UNIPOLAR SINGLE-ENDED BIPOLAR SINGLE-ENDED –56 –56 71 –62 –62 68 –68 THD –68 THD –74 –74 65 2nd 2nd –80 –80 62 SINAD (dB) –86 –86 THD, 2nd, 3rd (dB) THD, 2nd, 3rd (dB) 59 –92 –92 3rd –98 3rd –98 56 –104 –104 53 –110 –110 0.1 1 10 0.1 1 10 0.1 1 10 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 140812 G02 140812 G03 140814 G01
100kHz Unipolar Sine Wave 8192 SFDR vs Input Frequency SNR vs Input Frequency Point FFT Plot
92 77 0 –10 74 86 –20 71 –30 80 68 –40 –50 74 65 –60 68 62 SNR (dB) –70 SFDR (dB) 59 MAGNITUDE (dB) –80 62 –90 56 –100 56 53 –110 50 50 –120 0.1 1 10 0.1 1 10 0 10 20 30 40 50 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (kHz) 140812 G05 140814 G04 140812 G06
100kHz Bipolar Sine Wave 8192 Differential Linearity vs Output Integral Linearity vs Output Code, Point FFT Plot Code, CH0, Unipolar Mode CH0, Unipolar Mode
0 1 1 –10 0.8 0.8 –20 0.6 0.6 –30 0.4 0.4 –40 –50 0.2 0.2 –60 0 0 –70 –0.2 –0.2 MAGNITUDE (dB) –80 –0.4 –0.4 –90 –0.6 INTEGRAL LINEARITY (LSB) –0.6 –100 DIFFERENTIAL LINEARITY (LSB) –110 –0.8 –0.8 –120 –1 0 0 10 20 30 40 50 0 512 1024 1536 2048 2560 3072 3584 4096 0 512 1024 1536 2048 2560 3072 3584 4096 FREQUENCY (KHZ) OUTPUT CODE OUTPUT CODE 140812 G07 140812 G08 140812 G09 140812f 5