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ADC122S101 Datasheet(PDF) 5 Page - Texas Instruments |
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ADC122S101 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 25 page ADC122S101 www.ti.com SNAS286C – MARCH 2005 – REVISED JANUARY 2010 ADC122S101 Converter Electrical Characteristics (1) (continued) The following specifications apply for VA = +2.7 V to 5.25 V, GND = 0V, fSCLK = 8 MHz to 16 MHz, fSAMPLE = 500 ksps to 1 Msps, CL = 35 pF unless otherwise noted. Boldface limits apply for TA = TMIN to TMAX: all other limits TA = 25°C. Limits Symbol Parameter Conditions Typical Units (2) 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 2.5 3.0 mA (max) fSAMPLE = 1 Msps, fIN = 40.3 kHz Supply Current, Normal Mode (Operational, CS low) VA = +3.6V, 1.2 1.6 mA (max) fSAMPLE = 1 Msps, fIN = 40.3 kHz IA VA = +5.25V 60 nA fSAMPLE = 0 ksps Supply Current, Shutdown (CS high) VA = +3.6V, 38 nA fSAMPLE = 0 ksps VA = +5.25V 13.1 15.8 mW (max) Power Consumption, Normal Mode (Operational, CS low) VA = +3.6V 4.3 5.8 mW (max) PD VA = +5.25V 0.32 µW Power Consumption, Shutdown (CS high) VA = +3.6V 0.14 µW AC ELECTRICAL CHARACTERISTICS 8 MHz (min) fSCLK Maximum Clock Frequency (3) 16 MHz (max) 500 ksps (min) fS Sample Rate (3) 1 Msps (max) tCONV Conversion Time 13 SCLK cycles 30 % (min) DC SCLK Duty Cycle fSCLK = 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 © 2005–2010, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: ADC122S101 |
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