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ADC122S051 bảng dữ liệu(PDF) 5 Page - Texas Instruments |
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ADC122S051 bảng dữ liệu(HTML) 5 Page - Texas Instruments |
5 / 28 page ADC102S101 www.ti.com SNAS287G – FEBRUARY 2005 – REVISED MARCH 2013 ADC102S101 Converter Electrical Characteristics (1) (continued) The following specifications apply for VA = +2.7V to 5.25V, GND = 0V, CL = 50 pF, fSCLK = 8 MHz to 16 MHz, fSAMPLE = 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(2) Units DIGITAL OUTPUT CHARACTERISTICS ISOURCE = 200 µA VA − 0.03 VA − 0.5 V (min) VOH Output High Voltage ISOURCE = 1mA 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 ±0.01 ±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 Supply Voltage 5.25 V (max) VA = +5.25V, 2.18 2.7 mA (max) fSAMPLE = 1 Msps, fIN = 40 kHz Supply Current, Normal Mode (Operational, CS low) VA = +3.6V, 1.08 1.3 mA (max) IA fSAMPLE = 1 Msps, fIN = 40 kHz VA = +5.25V, fSAMPLE = 0 ksps 90 nA Supply Current, Shutdown (CS high) VA = +3.6V, fSAMPLE = 0 ksps 33 nA VA = +5.25V 11.4 14.2 mW (max) Power Consumption, Normal Mode (Operational, CS low) VA = +3.6V 3.9 4.7 mW (max) PD VA = +5.25V 0.47 µW Power Consumption, Shutdown (CS high) VA = +3.6V 0.12 µW AC ELECTRICAL CHARACTERISTICS 8 MHz (min) fSCLK Clock Frequency See(3) 16 MHz (max) 500 ksps (min) fS Sample Rate See(3) 1 Msps (max) tCONV Conversion Time 13 SCLK cycles 30 % (min) DC SCLK Duty Cycle fCLK = 16 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 guaranteed. The device is functional over a wider range which is specified under Operating Ratings. Copyright © 2005–2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: ADC102S101 |
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