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TSC2008TRGVRQ1 датащи(PDF) 3 Page - Texas Instruments |
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TSC2008TRGVRQ1 датащи(HTML) 3 Page - Texas Instruments |
3 / 39 page TSC2008-Q1 www.ti.com SBAS552 – JUNE 2011 ELECTRICAL CHARACTERISTICS At TA = –40°C to +105°C, VDD = +1.2V to +3.6V, unless otherwise noted. TSC2008-Q1 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) Differential linearity ±1 LSB 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, setup command '10100000' 50 k Ω PENIRQ pull-up resistor, RIRQ TA = +25°C, VDD = 1.8V, setup command '10101000' 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 +105 °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 = 1.2V 3.19 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 = 1.2V 1.6 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) = +2.5V, 1LSB is 610μV. (2) Ensured by design, but not production tested. Exceeding 50 mA 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 © 2011, Texas Instruments Incorporated 3 |
Аналогичный номер детали - TSC2008TRGVRQ1 |
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Аналогичное описание - TSC2008TRGVRQ1 |
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