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ADC082S051 Fiches technique(PDF) 5 Page - Texas Instruments |
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ADC082S051 Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 29 page ADC082S051 www.ti.com SNAS263F – NOVEMBER 2004 – REVISED MARCH 2013 ADC082S051 Converter Electrical Characteristics (1) (continued) The following specifications apply for VA = +2.7V to 5.25V, GND = 0V, fSCLK = 3.2 MHz to 8 MHz, fSAMPLE = 200 ksps to 500 ksps, CL = 50 pF, unless otherwise noted. Boldface limits apply for TA = TMIN to TMAX: all other limits TA = 25°C. Parameter Test Conditions Typical Limits(2) Units DIGITAL OUTPUT CHARACTERISTICS ISOURCE = 200 µA VA − 0.03 VA − 0.5 V (min) VOH Output High Voltage ISOURCE = 1 mA VA − 0.1 V ISINK = 200 µA 0.03 0.4 V (max) VOL Output Low Voltage ISINK = 1 mA 0.1 V IOZH, IOZL TRI-STATE Leakage Current 0.005 ±1 µA (max) COUT TRI-STATE Output Capacitance 2 4 pF (max) Output Coding Straight (Natural) Binary POWER SUPPLY CHARACTERISTICS (CL = 10 pF) 2.7 V (min) VA Analog Supply Voltage 5.25 V (max) VA = +5.25V, 1.35 1.9 mA (max) fSAMPLE = 500 ksps, fIN = 40 kHz Supply Current, Normal Mode (Operational, CS low) VA = +3.6V, 0.62 0.9 mA (max) fSAMPLE = 500 ksps, fIN = 40 kHz IA VA = +5.25V, 200 nA fSAMPLE = 0 ksps Supply Current, Shutdown (CS high) VA = +3.6V, 200 nA fSAMPLE = 0 ksps VA = +5.25V 7.1 10 mW (max) Power Consumption, Normal Mode (Operational, CS low) VA = +3.6V 2.23 3.2 mW (max) PD VA = +5.25V 0.35 µW Power Consumption, Shutdown (CS high) VA = +3.6V 0.12 µW AC ELECTRICAL CHARACTERISTICS 3.2 MHz (min) fSCLK Clock Frequency See(3) 8 MHz (max) 200 ksps (min) fS Sample Rate See(3) 500 ksps (max) tCONV Conversion Time 13 SCLK cycles 30 % (min) DC SCLK Duty Cycle fSCLK = 8 MHz 50 70 % (max) tACQ Track/Hold Acquisition Time Full-Scale Step Input 3 SCLK cycles Throughput Time Acquisition Time + Conversion Time 16 SCLK cycles (3) This is the frequency range over which the electrical performance is specified. The device is functional over a wider range which is specified under Operating Ratings. Copyright © 2004–2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: ADC082S051 |
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