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DAC5571IDBVR Arkusz danych(PDF) 4 Page - Texas Instruments |
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DAC5571IDBVR Arkusz danych(HTML) 4 Page - Texas Instruments |
4 / 21 page www.ti.com TIMING CHARACTERISTICS DAC5571 SLAS405 – DECEMBER 2003 ELECTRICAL CHARACTERISTICS (continued) V DD = +2.7 V to +5.5 V; RL = 2 kΩ to GND; CL = 200 pF to GND; all specifications -40°C to +105°C unless otherwise noted. DAC5571 PARAMETER CONDITIONS UNITS MIN TYP MAX POWER REQUIREMENTS VDD 2.7 5.5 V IDD (normal operation) DAC active and excluding load current VDD = +3.6 V to +5.5 V VIH = VDD and VIL = GND 155 200 µA VDD = +2.7 V to +3.6 V VIH = VDD and VIL = GND 125 160 µA IDD (all power-down modes) VDD = +3.6 V to +5.5 V VIH = VDD and VIL = GND 0.2 1 µA VDD = +2.7 V to +3.6 V VIH = VDD and VIL = GND 0.05 1 µA POWER EFFICIENCY IOUT/IDD ILOAD = 2 mA, VDD = +5 V 93 % SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Standard mode 100 kHz Fast mode 400 kHz fSCL SCL Clock Frequency High-speed mode, CB - 100 pF max 3.4 MHz High-Speed mode, CB - 400 pF max 1.7 MHz Standard mode 4.7 µs Bus Free Time Between a STOP tBUF and START Condition Fast mode 1.3 µs Standard mode 4.0 µs Hold Time (Repeated) START tHD; tSTA Fast mode 600 ns Condition High-speed mode 160 ns Standard mode 4.7 µs Fast mode 1.3 µs tLOW LOW Period of the SCL Clock High-speed mode, CB - 100 pF max 160 ns High-speed mode, CB - 400 pF max 320 ns Standard mode 4.0 µs Fast mode 600 ns tHIGH HIGH Period of the SCL Clock High-speed mode, CB - 100 pF max 60 ns High-speed mode, CB - 400 pF max 120 ns Standard mode 4.7 µs Setup Time for a Repeated tSU; tSTA Fast mode 600 ns START Condition High-speed mode 160 ns Standard mode 250 ns tSU; tDAT Data Setup Time Fast mode 100 ns High-speed mode 10 ns Standard mode 0 3.45 µs Fast mode 0 0.9 µs tHD; tDAT Data Hold Time High-speed mode, CB - 100 pF max 0 70 ns High-speed mode, CB - 400 pF max 0 150 ns Standard mode 20 ×0.1C B 1000 ns Fast mode 20 ×0.1C B 300 ns tRCL Rise Time of SCL Signal High-speed mode, CB - 100 pF max 10 40 ns High-speed mode, CB - 400 pF max 20 80 ns 4 |
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