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ADC104S021CIMMX Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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ADC104S021CIMMX Datasheet(HTML) 4 Page - National Semiconductor (TI) |
4 / 19 page ADC104S021 Converter Electrical Characteristics (Note 9) (Continued) The following specifications apply for V A = +2.7V to 5.25V, GND = 0V, CL = 50 pF, fSCLK = 0.8 MHz to 3.2 MHz, f SAMPLE = 50 kSPS to 200 kSPS, 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 ±0.1 ±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 = 200 kSPS, fIN =40kHz 1.3 1.8 mA (max) V A = +3.6V, f SAMPLE = 200 kSPS, fIN =40kHz 0.55 0.7 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 32 nA P D Power Consumption, Normal Mode (Operational, CS low) V A = +5.25V 6.9 9.5 mW (max) V A = +3.6V 1.94 2.5 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) 0.8 MHz (min) 3.2 MHz (max) f S Sample Rate (Note 8) 50 kSPS (min) 200 kSPS (max) t CONV Conversion Time 13 SCLK cycles DC SCLK Duty Cycle f SCLK = 3.2 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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