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ADC104S051 데이터시트(PDF) 4 Page - National Semiconductor (TI) |
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ADC104S051 데이터시트(HTML) 4 Page - National Semiconductor (TI) |
4 / 19 page ADC104S101 Converter Electrical Characteristics (Note 9) (Continued) The following specifications apply for V A = +2.7V to 5.25V, GND = 0V, CL = 50 pF, fSCLK = 8 MHz to 16 MHz, f SAMPLE = 500 kSPS to 1 MSPS, unless otherwise noted. Boldface limits apply for TA =TMIN to TMAX; all other limits TA = 25˚C. Symbol Parameter Conditions Typical Limits (Note 7) 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 33 pF Hold Mode 3 pF DIGITAL INPUT CHARACTERISTICS V IH Input High Voltage V A = +5.25V 2.4 V (min) V A = +3.6V 2.1 V (min) V IL Input Low Voltage 0.8 V (max) I IN Input Current V IN =0VorVA ±0.2 ±10 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 − 0.5 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 ±0.01 ±1 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 = 1 MSPS, fIN =40kHz 2.18 2.7 mA (max) V A = +3.6V, f SAMPLE = 1 MSPS, fIN =40kHz 1.08 1.3 mA (max) Supply Current, Shutdown (CS high) V A = +5.25V, f SAMPLE = 0 kSPS 90 nA V A = +3.6V, f SAMPLE = 0 kSPS 33 nA P D Power Consumption, Normal Mode (Operational, CS low) V A = +5.25V 11.4 14.2 mW (max) V A = +3.6V 3.9 4.7 mW (max) Power Consumption, Shutdown (CS high) V A = +5.25V 0.47 µW V A = +3.6V 0.12 µW AC ELECTRICAL CHARACTERISTICS f SCLK Clock Frequency (Note 8) 8 MHz (min) 16 MHz (max) f S Sample Rate (Note 8) 500 kSPS (min) 1 MSPS (max) t CONV Conversion Time 13 SCLK cycles DC SCLK Duty Cycle f CLK = 16 MHz 50 30 % (min) 70 % (max) t ACQ Track/Hold Acquisition Time Full-Scale Step Input 3 SCLK cycles Throughput Time Acquisition Time + Conversion Time 16 SCLK cycles www.national.com 4 |
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