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ADC10D040 Folha de dados(PDF) 8 Page - National Semiconductor (TI) |
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ADC10D040 Folha de dados(HTML) 8 Page - National Semiconductor (TI) |
8 / 28 page Converter Electrical Characteristics (Continued) The following specifications apply for V A =VD = +3.3 VDC,VDR = +2.5 VDC,VREF = 1.4 VDC, GAIN = OF = 0V, OS = 3.3V, VIN (a.c. coupled) = FSR = 1.4 V P-P,CL = 15 pF, fCLK = 40 MHz, 50% Duty Cycle, RS =50 Ω,t rc =tfc < 4 ns, NOT offset cor- rected. 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) SFDR Spurious Free Dynamic Range f IN = 4.43 MHz, VIN = FSR −0.1 dB 72 dB f IN = 10.4 MHz, VIN = FSR −0.1 dB 72 dB f IN = 19.7 MHz, VIN = FSR −0.1 dB 70 dB IMD Intermodulation Distortion f IN1 < 8.5 MHz, VIN = FSR −6.1 dB f IN2 < 9.5 MHz, VIN = FSR −6.1 dB 71 dB Overrange Output Code (V IN+−VIN−) > 1.5V 1023 Underrange Output Code (V IN+−VIN−) < −1.5V 0 FPBW Full Power Bandwidth 140 MHz INTER-CHANNEL CHARACTERISTICS Crosstalk 1 MHz input to tested channel, 10.3 MHz input to other channel −72 dB Channel - Channel Aperture Delay Match f IN = 8 MHz 8.5 ps Channel - Channel Gain Matching 0.1 %FS REFERENCE AND ANALOG CHARACTERISTICS V IN Analog Differential Input Range Gain Pin = AGND 1.4 V P-P Gain Pin = V A 2.8 V P-P C IN Analog Input Capacitance (each input) Clock High 6 pF Clock Low 3 pF R IN Analog Differential Input Resistance 13.5 k Ω V REF Reference Voltage 1.4 0.6 V (min) 1.6 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 30 ppm/˚C DIGITAL INPUT CHARACTERISTICS V IH Logical “1” Input Voltage V D = +3.0V 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 = +2.5V, IOUT = −0.5 mA V DR −0.2V V (min) V OL Logical “0” Output Voltage V DR = +2.5V, IOUT = 1.6 mA 0.4 V (max) +I SC Output Short Circuit Source Current V OUT =0V Parallel Mode −4.7 mA Multiplexed Mode −9 mA −I SC Output Short Circuit Sink Current V OUT =VDR Parallel Mode 4.7 mA Multiplexed Mode 9 mA POWER SUPPLY CHARACTERISTICS I A Analog Supply Current PD = LOW, STBY = LOW, d.c. input 70 80 mA (max) PD = LOW, STBY = HIGH 10 mA PD = HIGH, STBY = LOW or HIGH 0.1 mA www.national.com 8 |
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