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TSC2017IYZGT Datasheet(PDF) 3 Page - Texas Instruments |
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TSC2017IYZGT Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 38 page  TSC2017 www.ti.com SBAS472 – DECEMBER 2009 ELECTRICAL CHARACTERISTICS At TA = –40°C to +85°C, VDD = +1.6V to +3.6V, unless otherwise noted. TSC2017 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT AUXILIARY ANALOG INPUT Input voltage range 0 VDD V Input capacitance 12 pF Input leakage current –1 +1 μA A/D CONVERTER Resolution Programmable: 8 or 12 bits 12 Bits No missing codes 12-bit resolution 11 Bits Integral linearity ±1.5 LSB(1) VDD = 1.8V –1.2 LSB Offset error VDD = 3.0V –3.1 LSB VDD = 1.8V 0.7 LSB Gain error VDD = 3.0V 0.1 LSB TOUCH SENSORS TA = +25°C, VDD = 1.8V, command '1011' set '0000' 51 k Ω PENIRQ pull-up resistor, RIRQ TA = +25°C, VDD = 1.8V, command '1011' set '0001' 90 k Ω Y+, X+ 6 Ω Switch on-resistance Y–, X– 5 Ω Switch drivers drive current(2) 100ms duration 50 mA INTERNAL TEMPERATURE SENSOR Temperature range –40 +85 °C VDD = 3V 1.94 °C/LSB Differential method(3) VDD = 1.6V 1.04 °C/LSB Resolution VDD = 3V 0.35 °C/LSB TEMP1(4) VDD = 1.6V 0.19 °C/LSB VDD = 3V ±2 °C/LSB Differential method(3) VDD = 1.6V ±2 °C/LSB Accuracy VDD = 3V ±3 °C/LSB TEMP1(4) VDD = 1.6V ±3 °C/LSB INTERNAL OSCILLATOR VDD = 1.6V 3.61 MHz VDD = 1.8V 3.66 MHz 8-Bit VDD = 2.7V 3.78 MHz VDD = 3.6V 3.82 MHz Internal clock frequency, fCCLK VDD = 1.6V 1.8 MHz VDD = 1.8V 1.83 MHz 12-Bit VDD = 2.7V 1.88 MHz VDD = 3.6V 1.91 MHz VDD = 1.6V 0.0056 %/°C Frequency drift VDD = 3.0V 0.012 %/°C (1) LSB means Least Significant Bit. With VDD/REF pin = +1.6V, one LSB is 391 μV. (2) Specified by design, but not tested. Exceeding 50mA source current may result in device degradation. (3) Difference between TEMP1 and TEMP2 measurement; no calibration necessary. (4) Temperature drift is –2.1mV/°C. Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TSC2017 |
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