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ADC121C021 Datasheet(PDF) 7 Page - Texas Instruments |
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ADC121C021 Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 44 page  ADC121C021, ADC121C021Q, ADC121C027 www.ti.com SNAS415F – JANUARY 2008 – REVISED MARCH 2013 Electrical Characteristics (continued) The following specifications apply for VA = +2.7V to +5.5V, GND = 0V, fSCL up to 3.4MHz, fIN = 1kHz for fSCL up to 400kHz, fIN = 10kHz for fSCL = 3.4MHz unless otherwise noted. Boldface limits apply for TA = TMIN to TMAX: all other limits TA = 25°C unless otherwise noted. (1) Symbol Parameter Conditions Typical(2) Limits(2) Units (Limits) POWER REQUIREMENTS Supply Voltage Minimum 2.7 V (min) VA Supply Voltage Maximum 5.5 V (max) Continuous Operation Mode -- 2-wire interface active. VA = 2.7V to 3.6V 0.08 0.14 mA (max) fSCL=400kHz VA = 4.5V to 5.5V 0.16 0.30 mA (max) IN Supply Current VA = 2.7V to 3.6V 0.37 0.55 mA (max) fSCL=3.4MHz VA = 4.5V to 5.5V 0.74 0.99 mA (max) VA = 3.0V 0.26 mW fSCL=400kHz VA = 5.0V 0.78 mW PN Power Consumption VA = 3.0V 1.22 mW fSCL=3.4MHz VA = 5.0V 3.67 mW Automatic Conversion Mode -- 2-wire interface stopped and quiet (SCL = SDA = VA). fSAMPLE = TCONVERT * 32 VA = 2.7V to 3.6V 0.41 0.59 mA (max) IA Supply Current VA = 4.5V to 5.5V 0.78 1.2 mA (max) VA = 3.0V 1.35 mW PA Power Consumption VA = 5.0V 3.91 mW Power Down Mode (PD1) -- 2-wire interface stopped and quiet. (SCL = SDA = VA). IPD1 Supply Current 0.1 0.2 µA (max) See(5) PPD1 Power Consumption 0.5 0.9 µW (max) Power Down Mode (PD2) -- 2-wire interface active. Master communicating with a different device on the bus. VA = 2.7V to 3.6V 13 45 µA (max) fSCL=400kHz VA = 4.5V to 5.5V 27 80 µA (max) IPD2 Supply Current VA = 2.7V to 3.6V 89 150 µA (max) fSCL=3.4MHz VA = 4.5V to 5.5V 168 250 µA (max) VA = 3.0V 0.04 mW fSCL=400kHz VA = 5.0V 0.14 mW PPD2 Power Consumption VA = 3.0V 0.29 mW fSCL=3.4MHz VA = 5.0V 0.84 mW (5) This parameter is ensured by design and/or characterization and is not tested in production. Copyright © 2008–2013, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: ADC121C021 ADC121C021Q ADC121C027 |
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