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ADC10D020 Datasheet(PDF) 8 Page - National Semiconductor (TI) |
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ADC10D020 Datasheet(HTML) 8 Page - National Semiconductor (TI) |
8 / 32 page Converter Electrical Characteristics (Continued) The following specifications apply for V A =VD =VDR = +3.0 VDC,VREF = 1.0 VDC, GAIN = OF = 0V, OS = 3.0V, VIN (ac coupled) = FSR = 1.0 V P-P,CL = 15 pF, fCLK = 20 MHz, 50% Duty Cycle, RS =50Ω,trc =tfc < 4 ns, NOT offset corrected. Boldface limits apply for T A =TMIN to TMAX: all other limits TA = 25˚C (Note 7). Symbol Parameter Conditions Typical (Note 8) Limits (Note 9) Units (Limits) HS2 Second Harmonic f IN = 1.0 MHz, VIN = FSR −0.1 dB −84 dB f IN = 4.7 MHz, VIN = FSR −0.1 dB −92 dB f IN = 9.5 MHz, VIN = FSR −0.1 dB −87 dB f IN = 19.5 MHz, VIN = FSR −0.1 dB −87 dB HS3 Third Harmonic f IN = 1.0 MHz, VIN = FSR −0.1 dB −80 dB f IN = 4.7 MHz, VIN = FSR −0.1 dB −78 dB f IN = 9.5 MHz, VIN = FSR −0.1 dB −78 dB f IN = 19.5 MHz, VIN = FSR −0.1 dB −78 dB SFDR Spurious Free Dynamic Range f IN = 1.0 MHz, VIN = FSR −0.1 dB 76 dB f IN = 4.7 MHz, VIN = FSR −0.1 dB 75 dB f IN = 9.5 MHz, VIN = FSR −0.1 dB 75 dB f IN = 19.5 MHz, VIN = FSR −0.1 dB 74 dB IMD Intermodulation Distortion f IN1 < 4.9 MHz, VIN = FSR −6.1 dB 65 dB f IN2 < 5.1 MHz, VIN = FSR −6.1 dB Overrange Output Code (V IN+−VIN−) > 1.1V 1023 Underrange Output Code (V IN+−VIN−) < −1.1V 0 FPBW Full Power Bandwidth 140 MHz INTER-CHANNEL CHARACTERISTICS Crosstalk 1 MHz input to tested channel, 4.75 MHz input to other channel −90 dB Channel - Channel Aperture Delay Match f IN = 8 MHz 8.5 ps Channel - Channel Gain Matching 0.03 %FS REFERENCE AND ANALOG CHARACTERISTICS V IN Analog Differential Input Range Gain Pin = AGND 1 V P-P Gain Pin = V A 2V P-P C IN Analog Input Capacitance (each input) Clock High 6 pF Clock Low 3 pF R IN Analog Differential Input Resistance 27 k Ω V REF Reference Voltage 1.0 0.8 V(min) 1.5 V(max) I REF Reference Input Current <1µA V CMO Common Mode Voltage Output 1 mA load to ground (sourcing current) 1.5 1.35 V(min) 1.6 V(max) TC V CMO Common Mode Voltage Temperature Coefficient 20 ppm/˚C DIGITAL INPUT CHARACTERISTICS V IH Logical “1” Input Voltage V D = +2.7V 2.0 V(min) V IL Logical “0” Input Voltage V D = +3.6V 0.5 V(max) I IH Logical “1” Input Current V IH =VD <1µA I IL Logical “0” Input Current V IL = DGND >−1 µA DIGITAL OUTPUT CHARACTERISTICS V OH Logical “1” Output Voltage V DR = +2.7V, IOUT = −0.5 mA V DR −0.3V V(min) V OL Logical “0” Output Voltage V DR = +2.7V, IOUT = 1.6 mA 0.4 V(max) www.national.com 8 |
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