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DAC101C085 датащи(PDF) 8 Page - Texas Instruments |
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DAC101C085 датащи(HTML) 8 Page - Texas Instruments |
8 / 36 page DAC101C081, DAC101C081Q, DAC101C085 SNVS801A – APRIL 2012 – REVISED MARCH 2013 www.ti.com AC and Timing Characteristics The following specifications apply for VA = +2.7V to +5.5V, VREF = VA, RL = Infinity, CL = 200 pF to GND. Boldface limits apply for TMIN ≤ TA ≤ TMAX and all other limits are at TA = 25°C, unless otherwise specified. Units Symbol Parameter Test Conditions(1) Typ(2) Limits(1)(2) (Limits) 100h to 300h code change ts Output Voltage Settling Time(3) 4.5 6 µs (max) RL = 2kΩ, CL = 200 pF SR Output Slew Rate 1 V/µs Glitch Impulse Code change from 200h to 1FFh 12 nV-sec Digital Feedthrough 0.5 nV-sec Multiplying Bandwidth(4) VREF = 2.5V ± 0.1Vpp 160 kHz VREF = 2.5V ± 0.1Vpp Total Harmonic Distortion(4) 70 dB input frequency = 10kHz VA = 3V 0.8 µsec tWU Wake-Up Time VA = 5V 0.5 µsec 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 µs (min) Fast Mode 1.3 µs (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 µs (min) Fast Mode 0.6 µs (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 µs (min) Standard Mode 3.45 µs (max) 0 µs (min) Fast Mode 0.9 µs (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 µs (min) Setup time for a start or a repeated tSU;STA Fast Mode 0.6 µs (min) start condition High Speed Mode 160 ns (min) Standard Mode 4.0 µs (min) Hold time for a start or a repeated start tHD;STA Fast Mode 0.6 µs (min) condition High Speed Mode 160 ns (min) Bus free time between a stop and start Standard Mode 4.7 µs (min) tBUF condition Fast Mode 1.3 µs (min) Standard Mode 4.0 µs (min) tSU;STO Setup time for a stop condition Fast Mode 0.6 µs (min) High Speed Mode 160 ns (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 specified to 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. 8 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated Product Folder Links: DAC101C081 DAC101C081Q DAC101C085 |
Аналогичный номер детали - DAC101C085 |
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Аналогичное описание - DAC101C085 |
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