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ADC101C027 Datasheet(PDF) 8 Page - Texas Instruments |
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ADC101C027 Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 44 page  ADC101C021, ADC101C027 SNAS446D – FEBRUARY 2008 – REVISED FEBRUARY 2013 www.ti.com 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. Typical Limits Symbol Parameter Conditions Units (Limits) (1) (1) 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 A.C. and Timing Characteristics The following specifications apply for VA = +2.7V to +5.5V. Boldface limits apply for TMIN ≤ TA ≤ TMAX and all other limits are at TA = 25°C, unless otherwise specified. Typical Limits Units Symbol Parameter Conditions (1) (2) (2) (1) (Limits) CONVERSION RATE Conversion Time 1 µs fSCL = 100kHz 5.56 ksps fSCL = 400kHz 22.2 ksps fCONV Conversion Rate fSCL = 1.7MHz 94.4 ksps fSCL = 3.4MHz 188.9 ksps DIGITAL TIMING SPECS (SCL, SDA) Standard Mode 100 kHz (max) Fast Mode 400 kHz (max) fSCL Serial Clock Frequency High Speed Mode, Cb = 100pF 3.4 MHz (max) High Speed Mode, Cb = 400pF 1.7 MHz (max) Standard Mode 4.7 us (min) Fast Mode 1.3 us (min) tLOW SCL Low Time High Speed Mode, Cb = 100pF 160 ns (min) High Speed Mode, Cb = 400pF 320 ns (min) Standard Mode 4.0 us (min) Fast Mode 0.6 us (min) tHIGH SCL High Time High Speed Mode, Cb = 100pF 60 ns (min) High Speed Mode, Cb = 400pF 120 ns (min) Standard Mode 250 ns (min) tSU;DAT Data Setup Time Fast Mode 100 ns (min) High Speed Mode 10 ns (min) 0 us (min) Standard Mode (3) 3.45 us (max) 0 us (min) Fast Mode (3) 0.9 us (max) tHD;DAT Data Hold Time 0 ns (min) High Speed Mode, Cb = 100pF 70 ns (max) 0 ns (min) High Speed Mode, Cb = 400pF 150 ns (max) Standard Mode 4.7 us (min) Setup time for a start or a repeated tSU;STA Fast Mode 0.6 us (min) start condition High Speed Mode 160 ns (min) Standard Mode 4.0 us (min) Hold time for a start or a repeated start tHD;STA Fast Mode 0.6 us (min) condition High Speed Mode 160 ns (min) Bus free time between a stop and start Standard Mode 4.7 us (min) tBUF condition Fast Mode 1.3 us (min) (1) Cb refers to the capacitance of one bus line. Cb is expressed in pF units. (2) Typical figures are at TJ = 25°C, and represent most likely parametric norms. Test limits are guaranteed to National's AOQL (Average Outgoing Quality Level). (3) The ADC101C021 will provide a minimum data hold time of 300ns to comply with the I2C Specification. 8 Submit Documentation Feedback Copyright © 2008–2013, Texas Instruments Incorporated Product Folder Links: ADC101C021 ADC101C027 |
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