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ADC12DL040 Datasheet(PDF) 6 Page - National Semiconductor (TI) |
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ADC12DL040 Datasheet(HTML) 6 Page - National Semiconductor (TI) |
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6 / 26 page  Converter Electrical Characteristics (Continued) Unless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V, V A =VD = +3.0V, VDR = +2.5V, PD = 0V, External V REF = +1.0V, fCLK = 40 MHz, fIN = 10 MHz, tr =tf = 2 ns, CL = 15 pF/pin, Duty Cycle Stabilizer On, parallel output mode. Boldface limits apply for T J =TMIN to TMAX: all other limits TJ = 25˚C (Notes 7, 8, 9) Symbol Parameter Conditions Typical (Note 10) Limits (Note 10) Units (Limits) DYNAMIC CONVERTER CHARACTERISTICS FPBW Full Power Bandwidth 0 dBFS Input, Output at −3 dB 250 MHz SNR Signal-to-Noise Ratio f IN = 1 MHz, VIN = −0.5 dBFS 69 dB f IN = 10 MHz, VIN = −0.5 dBFS 69 67.5 dB (min) f IN = 20 MHz, VIN = −0.5 dBFS 68.5 66.5 dB SINAD Signal-to-Noise and Distortion f IN = 1 MHz, VIN = −0.5 dBFS 68.5 dB f IN = 10 MHz, VIN = −0.5 dBFS 68.5 67 dB (min) f IN = 20 MHz, VIN = −0.5 dBFS 68.5 66.5 dB ENOB Effective Number of Bits f IN = 1 MHz, VIN = −0.5 dBFS 11.1 Bits f IN = 10 MHz, VIN = −0.5 dBFS 11.1 10.8 Bits (min) f IN = 20 MHz, VIN = −0.5 dBFS 11.1 10.75 Bits THD Total Harmonic Distortion f IN = 1 MHz, VIN = −0.5 dBFS −82 dB f IN = 10 MHz, VIN = −0.5 dBFS −83 -75 dB (min) f IN = 20 MHz, VIN = −0.5 dBFS −83 -75 dB H2 Second Harmonic Distortion f IN = 1 MHz, VIN = −0.5 dBFS −88 dB f IN = 10 MHz, VIN = −0.5 dBFS −86 -76 dB (min) f IN = 20 MHz, VIN = −0.5 dBFS −86.5 -75 dB H3 Third Harmonic Distortion f IN = 1 MHz, VIN = −0.5 dBFS −86 dB f IN = 10 MHz, VIN = −0.5 dBFS −87 -77 dB (min) f IN = 20 MHz, VIN = −0.5 dBFS −86.5 -76 dB SFDR Spurious Free Dynamic Range f IN = 1 MHz, VIN = −0.5 dBFS 86 dB f IN = 10 MHz, VIN = −0.5 dBFS 85 76 dB (min) f IN = 20 MHz, VIN = −0.5 dBFS 84 75 dB IMD Intermodulation Distortion f IN = 9.6 MHz and 10.2 MHz, each = −6.5 dBFS −75 dBFS INTER-CHANNEL CHARACTERISTICS Channel — Channel Offset Match ±0.3 %FS Channel — Channel Gain Match ±4 %FS Crosstalk 10 MHz Tested Channel; 20 MHz Other Channel 90 dB (min) 20 MHz Tested Channel; 10 MHz Other Channel 90 dB (min) www.national.com 6 |
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