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TSC2000IPWR Datasheet(PDF) 3 Page - Texas Instruments |
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TSC2000IPWR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 34 page 3 www.ti.com TSC2000 SBAS257 PARAMETER CONDITIONS MIN TYP MAX UNITS AUXILIARY ANALOG INPUT Input Voltage Range 0+VREF V Input Capacitance 25 pF Input Leakage Current ±1 µA BATTERY MONITOR INPUT Input Voltage Range VBAT1 0.5 6.0 V Input Voltage Range VBAT2 0.5 3.0 V Input Capacitance 25 pF Input Leakage Current ±1 µA Accuracy –3+3 % TEMPERATURE MEASUREMENT Temperature Range –40 +85 °C Temperature Resolution 0.3 °C Accuracy ±2 °C A/D CONVERTER Resolution Programmable: 8-, 10-, or 12-Bits 12 Bits No Missing Codes 12-Bit Resolution 11 Bits Integral Linearity ±2LSB Offset Error ±6LSB Gain Error Excluding Reference Error ±6LSB Noise 30 µVrms Power-Supply Rejection 80 dB D/A CONVERTER Output Current Range Set by Resistor from ARNG to GND 650 µA Resolution 8 Bits Integral Linearity ±2LSB VOLTAGE REFERENCE Voltage Range Internal 2.5V 2.45 2.5 2.55 V Internal 1.25V 1.225 1.25 1.275 V Reference Drift 20 ppm/ °C External Reference Input Range 1.0 VDD V Current Drain External Reference 20 µA DIGITAL INPUT/OUTPUT Internal Clock Frequency 8MHz Logic Family CMOS Logic Levels: VIH IIH = +5µA0.7VDD V VIL IIL = +5µA –0.3 0.3VDD V VOH IOH = 2 TTL Loads 0.8VDD V VOL IOL = 2 TTL Loads 0.4 V POWER-SUPPLY REQUIREMENTS Power-Supply Voltage, +VDD Specified Performance 2.7 3.6 V Quiescent Current See Note (1) 1.25 2.3 mA See Note (2) 500 µA Power Down 3 µA TEMPERATURE RANGE Specified Performance –40 +85 °C NOTES: (1) AUX1 conversion, no averaging, no REF power down, 50 µs conversion. (2) AUX1 conversion, no averaging, external reference, 50µs conversion. ELECTRICAL CHARACTERISTICS At –40 °C to +85°C, +V DD = +2.7V, internal VREF = +2.5V, conversion clock = 2MHz, 12-bit mode, unless otherwise noted. TSC2000IPW |
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