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ADC081S021 Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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ADC081S021 Datasheet(HTML) 4 Page - National Semiconductor (TI) |
4 / 13 page ADC081S051 Converter Electrical Characteristics (Note 9) (Continued) The following specifications apply for V A = +2.7V to 5.25V, GND = 0V, fSCLK = 4 MHz to 10 MHz, f SAMPLE = 200 kSPS to 500 kSPS, unless otherwise noted. Boldface limits apply for TA =TMIN to TMAX: all other limits TA = 25˚C. Symbol Parameter Conditions Typical Limits (Note 9) Units ANALOG INPUT CHARACTERISTICS V IN Input Range 0 to V A V I DCL DC Leakage Current ±1 µA (max) C INA Input Capacitance Track Mode 30 pF Hold Mode 4 pF DIGITAL INPUT CHARACTERISTICS V IH Input High Voltage V A = +5.25V 2.4 V (min) V IL Input Low Voltage V A = +5.25V 0.8 V (max) V A = +3.6V 0.4 V (max) I IN Input Current V IN =0VorVA ±0.1 ±1 µA (max) C IND Digital Input Capacitance 2 4 pF (max) DIGITAL OUTPUT CHARACTERISTICS V OH Output High Voltage I SOURCE = 200 µA V A − 0.03 V A − 0.2 V (min) I SOURCE =1mA V A − 0.1 V V OL Output Low Voltage I SINK = 200 µA 0.03 0.4 V (max) I SINK = 1 mA 0.1 V I OZH, I OZL TRI-STATE® Leakage Current ±0.1 ±10 µA (max) C OUT TRI-STATE® Output Capacitance 2 4 pF (max) Output Coding Straight (Natural) Binary POWER SUPPLY CHARACTERISTICS (C L =10pF) V A Supply Voltage 2.7 V (min) 5.25 V (max) I A Supply Current, Normal Mode (Operational, CS low) V A = +5.25V, f SAMPLE = 200 kSPS 2.0 2.4 mA (max) V A = +3.6V, f SAMPLE = 200 kSPS 0.8 1.0 mA (max) Supply Current, Shutdown (CS high) f SCLK= 0 MHz, VA = +5.25V f SAMPLE = 0 kSPS 0.5 µA V A = +5.25V, fSCLK = 10MHz, f SAMPLE = 0 kSPS 22 µA P D Power Consumption, Normal Mode (Operational, CS low) V A = +5.25V 10.5 12.6 mW (max) V A = +3.6V 2.9 3.6 mW (max) Power Consumption, Shutdown (CS high) f SCLK = 0 MHz, VA = +5.25V f SAMPLE = 0 kSPS 2.6 µW V A = +5.25V, fSCLK = 10 MHz, f SAMPLE = 0 kSPS 0.12 mW AC ELECTRICAL CHARACTERISTICS f SCLK Clock Frequency (Note 8) 4 MHz (min) 10 MHz (max) f S Sample Rate (Note 8) 50 200 kSPS (min) 500 kSPS (max) t CONV Conversion Time 16 SCLK cycles DC SCLK Duty Cycle f SCLK = 10 MHz 50 40 % (min) 60 % (max) t ACQ Track/Hold Acquisition Time 400 ns (max) Throughput Time Acquisition Time + Conversion Time 20 SCLK cycles www.national.com 4 |
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