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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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DAC081C081 Fiches technique(PDF) 10 Page - Texas Instruments |
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DAC081C081 Fiches technique(HTML) 10 Page - Texas Instruments |
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10 / 41 page  10 DAC081C081, DAC081C085 SNAS449E – FEBRUARY 2008 – REVISED JANUARY 2016 www.ti.com Product Folder Links: DAC081C081 DAC081C085 Submit Documentation Feedback Copyright © 2008–2016, Texas Instruments Incorporated (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 specified to TI's AOQL (Average Outgoing Quality Level). (3) This parameter is ensured by design and/or characterization and is not tested in production. (4) Applies to the Multiplying DAC configuration. In this configuration, the reference is used as the analog input. The value loaded in the DAC Register will digitally attenuate the signal at Vout. 7.6 AC and Timing Characteristics The following specifications apply for VA = 2.7 V to 5.5 V, VREF = VA, RL = Infinity, CL = 200 pF to GND. All Maximum and Minimum limits apply for TMIN ≤ TA ≤ TMAX and all Typical limits are at TA = 25°C, unless otherwise specified. PARAMETER TEST CONDITIONS(1) MIN TYP(2) MAX(1)(2) UNIT ts Output voltage settling time(3) 40h to C0h code change RL = 2 kΩ, CL = 200 pF 3 4.5 µs SR Output slew rate 1 V/µs Glitch impulse Code change from 80h to 7Fh 12 nV-sec Digital feedthrough 0.5 nV-sec Multiplying bandwidth(4) VREF = 2.5 V ± 0.1 Vpp 160 kHz Total harmonic distortion(4) VREF = 2.5 V ± 0.1 Vpp input frequency = 10 kHz 70 dB tWU Wake-up time VA = 3 V 0.8 µsec VA = 5 V 0.5 µsec DIGITAL TIMING SPECS (SCL, SDA) fSCL Serial clock frequency Standard mode 100 kHz Fast mode 400 High-speed mode, Cb = 100 pF 3.4 MHz High-speed mode, Cb = 400 pF 1.7 tLOW SCL low time Standard mode 4.7 µs Fast mode 1.3 High-speed mode, Cb = 100 pF 160 ns High-speed mode, Cb = 400 pF 320 tHIGH SCL high time Standard mode 4 µs Fast mode 0.6 High-speed mode, Cb = 100 pF 60 ns High-speed mode, Cb = 400 pF 120 tSU;DAT Data set-up time Standard mode 250 ns Fast mode 100 High-speed mode 10 tHD;DAT Data hold time Standard mode 0 3.45 µs Fast mode 0 0.9 High-speed mode, Cb = 100 pF 0 70 ns High-speed mode, Cb = 400 pF 0 150 tSU;STA Set-up time for a start or a repeated start condition Standard mode 4.7 µs Fast mode 0.6 High-speed mode 160 ns tHD;STA Hold time for a start or a repeated start condition Standard mode 4 µs Fast mode 0.6 High-speed mode 160 ns tBUF Bus free time between a stop and start condition Standard mode 4.7 µs Fast mode 1.3 tSU;STO Set-up time for a stop condition Standard mode 4 µs Fast mode 0.6 High-speed mode 160 ns |
Numéro de pièce similaire - DAC081C081 |
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Description similaire - DAC081C081 |
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