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数据搜索系统，热门电子元器件搜索 |
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TSC2003IPWR 数据表(PDF) 4 Page - Texas Instruments |
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TSC2003IPWR 数据表(HTML) 4 Page - Texas Instruments |
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4 / 22 page  TSC2003 4 SBAS162D www.ti.com PARAMETER CONDITIONS MIN TYP MAX UNITS POWER-SUPPLY REQUIREMENTS +VDD Specified Performance 2.7 3.6 V Operating Range 2.5 5.25 V Quiescent Current Internal Reference OFF, PD1 = PD0 = 0 High-Speed Mode: SCL = 3.4MHz 254 650 µA Fast Mode: SCL = 400kHz 95 µA Standard Mode: SCL = 100kHz 63 µA Internal Reference ON, PD0 = 0 1005 µA Power-Down Current when Part is Internal Reference OFF, Not Addressed PD1 = PD0 = 0 High-Speed Mode: SCL = 3.4MHz 90 µA Fast Mode: SCL = 400kHz 21 µA Standard Mode: SCL = 100kHz 4 µA PD1 = PD0 = 0, SDA = SCL = +VDD 3 µA Power Dissipation +VDD = +2.7V 1.8 mW TEMPERATURE RANGE Specified Performance –40 +85 °C NOTES: (1) LSB means Least Significant Bit. With VREF equal to +2.5V, one LSB is 610µV. (2) Ensured by design, but not tested. Exceeding 50mA source current may result in device degradation. (3) Difference between TEMP0 and TEMP1 measurement. No calibration necessary. (4) Temperature drift is –2.1mV/ °C. ELECTRICAL CHARACTERISTICS (Cont.) At TA = –40°C to +85°C, +VDD = +2.7V, VREF = 2.5V external voltage, I2C bus frequency = 3.4MHz, 12-bit mode and digital inputs = GND or +VDD, unless otherwise noted. TSC2003I TIMING CHARACTERISTICS At TA = –40°C to +85°C, +VDD = +2.7V, unless otherwise noted. All values referred to VIHMIN and VILMAX levels. PARAMETER SYMBOL CONDITIONS MIN MAX UNITS SCL Clock Frequency fSCL Standard Mode 0 100 kHz Fast Mode 0 400 kHz High-Speed Mode, Cb = 100pF max 0 3.4 MHz High-Speed Mode, Cb = 400pF max 0 1.7 MHz Bus Free Time Between a STOP and tBUF Standard Mode 4.7 µs Start Condition Fast Mode 1.3 µs Hold Time (Repeated) START tHD; STA Standard Mode 4.0 µs Condition Fast Mode 600 ns High-Speed Mode 160 ns LOW Period of the SCL Clock tLOW Standard Mode 4.7 µs Fast Mode 1.3 µs High-Speed Mode, Cb = 100pF max 160 ns High-Speed Mode, Cb = 400pF max 320 ns HIGH Period of the SCL Clock tHIGH Standard Mode 4.0 µs Fast Mode 600 ns High-Speed Mode, Cb = 100pF max 60 ns High-Speed Mode, Cb = 400pF max 120 ns Setup Time for a Repeated START tSU; STA Standard Mode 4.7 µs Condition Fast Mode 600 ns High-Speed Mode 160 ns Data Setup Time tSU; DAT Standard Mode 250 ns Fast Mode 100 ns High-Speed Mode 10 ns Data Hold Time tHD; DAT Standard Mode 0 3.45 µs Fast Mode 0 0.9 µs High-Speed Mode, Cb = 100pF max 0 70 ns High-Speed Mode, Cb = 400pF max 0 150 ns Rise Time of SCL Signal trCL Standard Mode 1000 ns Fast Mode 20 + 0.1Cb 300 ns High-Speed Mode, Cb = 100pF max 10 40 ns High-Speed Mode, Cb = 400pF max 20 80 ns Rise Time of SCL Signal After a trCL1 Standard Mode 1000 ns Repeated START Condition and Fast Mode 20 + 0.1Cb 300 ns After an Acknowledge Bit High-Speed Mode, Cb = 100pF max 10 80 ns High-Speed Mode, Cb = 400pF max 20 160 ns |
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