Datasheet LTC2351-12 (Analog Devices) - 6

LTC2351-12
TYPICAL PERFORMANCE CHARACTERISTICS VDD = 3V, TA = 25°C THD, 2nd and 3rd THD, 2nd and 3rd SINAD vs Input Frequency vs Input Frequency vs Input Frequency
74 –50 –50 UNIPOLAR SINGLE-ENDED BIPOLAR SINGLE-ENDED –56 –56 71 –62 –62 THD THD 68 –68 –68 –74 2nd 65 –74 2nd –80 –80 62 –86 SINAD (dB) –86 3rd –92 3rd THD, 2nd, 3rd (dB) THD, 2nd, 3rd (dB) 59 –92 –98 –98 –104 56 –104 –100 53 –110 –116 0.1 1 10 0.1 1 10 0.1 1 10 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 235112 G03 235112 G01 235112 G02
100kHz Unipolar Sine Wave 8192 SFDR vs Input Frequency SNR vs Input Frequency Point FFT Plot
92 74 0 –10 86 71 –20 –30 80 68 –40 74 65 –50 –60 68 62 SFDR (dB) SNR (dB) –70 MAGNITUDE (dB) –80 62 59 –90 56 56 –100 –110 50 53 –120 0.1 1 10 0.1 1 10 0 25 50 75 100 125 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (kHz) 235112 G05 235112 G04 235112 G06
100kHz Bipolar Sine Wave 8192 Differential Linearity Integral Linearity Point FFT Plot vs Output Code, Unipolar Mode vs Output Code, Unipolar Mode
–0 1 1 –10 0.8 0.8 –20 0.6 0.6 –30 (LSB) Y 0.4 0.4 –40 Y (LSB) –50 0.2 0.2 –60 0 0 –70 –0.2 –0.2 MAGNITUDE (dB) –80 –0.4 –0.4 –90 –0.6 INTEGRAL LINEARIT –0.6 –100 DIFFERENTIAL LINEARIT –110 –0.8 –0.8 –120 –1 –1 0 25 50 75 100 125 0 512 1024 1536 2048 2560 3072 3584 4096 0 512 1024 1536 2048 2560 3072 3584 4096 FREQUENCY (kHz) OUTPUT CODE OUTPUT CODE 235112 G07 235112 G08 235112 G09 235112fa 6