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DAC8571 Datasheet(PDF) 5 Page - Texas Instruments |
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DAC8571 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 1 page ![]() www.ti.com DAC8571 SLAS373A – DECEMBER 2002 – REVISED JULY 2003 TIMING CHARACTERISTICS V DD = +2.7 V to +5.5 V; RL = 2 kΩ to GND; all specifications -40°C to 105°C (unless otherwise noted) SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Standard mode 100 kHz Fast mode 400 kHz tSCL SCL clock frequency High-speed mode, CB - 100pF max 3.4 MHz High-speed mode, CB - 400pF max 1.7 MHz Standard mode 4.7 µs Bus free time between a STOP and tBUF START condition Fast mode 1.3 µs Standard mode 4.0 \µs Hold time (repeated) START con- tHO; tSTA Fast mode 600 ns dition High-speed mode 160 ns Standard mode 4.7 µs tLOW LOW period of the SCL clock Fast mode 1.3 µs Standard mode 4.0 µs Fast mode 600 ns tHIGH HIGH period of the SCL clock High-speed mode, CB - 100pF max 60 ns High-speed mode, CB - 400pF max 120 ns Standard mode 4.7 µs Setup time for a repeated START tSU; tSTA Fast mode 600 ns 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 0.9 µs Fast mode 0 0.9 µs tHD; tDAT Data hold time High-speed mode, CB - 100pF max 0 70 ns High-speed mode, CB - 400pF 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 - 100pF max 10 40 ns High-speed mode, CB - 400pF max 20 80 ns Standard mode 20 × 0.1C B 1000 ns Rise time of SCL signal after a Fast mode 20 × 0.1C B 300 ns tRCL1 repeated START condition, and High-speed mode, CB - 100pF max 10 80 ns after an acknowledge BIT High-speed mode, CB - 400pF max 20 1600 ns Standard mode 20 × 0.1C B 300 ns Fast mode 20 × 0.1C B 300 ns tFCL Fall time of SCL signal High-speed mode, CB - 100pF max 10 40 ns High-speed mode, CB - 400pF max 20 80 ns Standard mode 20 × 0.1C B 1000 ns Fast mode 20 × 0.1C B 300 ns tRCA Rise time of SDA signal High-speed mode, CB - 100pF max 10 80 ns High-speed mode, CB - 400pF max 20 160 ns Standard mode 20 × 0.1C B 300 ns Fast mode 20 × 0.1C B 300 ns tFDA Fall time of SDA signal High-speed mode, CB - 100pF max 10 80 ns High-speed mode, CB - 400pF max 20 160 ns 5 |
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