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TSC2003IPW Arkusz danych(PDF) 3 Page - Texas Instruments |
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TSC2003IPW Arkusz danych(HTML) 3 Page - Texas Instruments |
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3 / 22 page  TSC2003 3 SBAS162D www.ti.com PARAMETER CONDITIONS MIN TYP MAX UNITS ANALOG INPUT Full-Scale Input Span 0VREF V Absolute Input Range –0.2 +VDD +0.2 V Capacitance 25 pF Leakage Current 0.1 µA SYSTEM PERFORMANCE Resolution 12 Bits No Missing Codes Standard and Fast Mode 11 Bits High-Speed Mode 10 Bits Integral Linearity Error Standard and Fast Mode ±2 LSB(1) High-Speed Mode ±4 LSB Offset Error ±6 LSB Gain Error ±4 LSB Noise Including Internal VREF 70 µVrms Power-Supply Rejection Ratio 70 dB SAMPLING DYNAMICS Throughput Rate 50 ksps Channel-to-Channel Isolation VIN = 2.5Vp-p at 50kHz 100 dB SWITCH DRIVERS On-Resistance Y+, X+ 5.5 Ω Y–, X– 7.3 Ω Drive Current(2) Duration 100ms 50 mA REFERENCE OUTPUT Internal Reference Voltage 2.45 2.50 2.55 V Internal Reference Drift 25 ppm/ °C Output Impedance Internal Reference ON 300 Ω Internal Reference OFF 1 G Ω Quiescent Current PD1 = 1, PD0 = 0, SDA, SCL High 750 µA REFERENCE INPUT Range 2.0 VDD V Resistance PD1 = PD0 = 0 1 G Ω BATTERY MONITOR Input Voltage Range 0.5 6.0 V Input Impedance Sampling Battery 10 k Ω Battery Monitor OFF 1 G Ω Accuracy External VREF = 2.5V –2+2 % Internal Reference –3+3 % TEMPERATURE MEASUREMENT Temperature Range –40 +85 °C Resolution Differential Method(3) 1.6 °C TEMP0(4) 0.3 °C Accuracy Differential Method(3) ±2 °C TEMP0(4) ±3 °C DIGITAL INPUT/OUTPUT Logic Family CMOS Logic Levels, Except PENIRQ VIH | IIH | ≤ +5µA+VDD • 0.7 +VDD + 0.3 V VIL | IIL | ≤ +5µA –0.3 +VDD • 0.3 V VOH IOH = –250µA+VDD • 0.8 V VOL IOL = 250µA 0.4 V PENIRQ VOL 30k Ω Pull-Up 0.4 V Data Format Straight Binary Input Capacitance SDA, SCL Lines 10 pF ELECTRICAL CHARACTERISTICS 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 |
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