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TSC2005IYZLR Datasheet(PDF) 3 Page - Burr-Brown (TI) |
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TSC2005IYZLR Datasheet(HTML) 3 Page - Burr-Brown (TI) |
3 / 44 page www.ti.com ELECTRICAL CHARACTERISTICS TSC2005 SBAS379A – DECEMBER 2006 – REVISED MAY 2007 At T A = –40°C to +85°C, SNSVDD = VREF = +1.6V to +3.6V, I/OVDD = +1.2V to +3.6V, unless otherwise noted. TSC2005 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT AUXILIARY ANALOG INPUT Input voltage range 0 VREF V Input capacitance 12 pF Input leakage current –1 +1 µA A/D CONVERTER Resolution Programmable: 10 or 12 bits 12 Bits No missing codes 12-bit resolution 11 Bits Integral linearity ±1.5 LSB(1) SNSVDD = 1.6V, VREF = 1.6V –0.8 to +0.3 LSB Offset error SNSVDD = 3.0V, VREF = 2.5V +3.2 to +8.9 LSB SNSVDD = 1.6V, VREF = 1.6V –0.2 to 0 LSB Gain error SNSVDD = 3.0V, VREF = 2.5V +3.8 to +4.4 LSB REFERENCE INPUT VREF range 1.6 SNSVDD V Non-cont. AUX mode, SNSVDD = 3V, VREF = 2.5V, VREF input current drain 5.6 µA TA = +25°C, fADC = 2MHz, fSCLK = 10MHz Input impedance A/D converter not converting 1 G Ω TOUCH SENSORS PENIRQ Pull-Up Resistor, RIRQ TA = +25°C, SNSVDD = 3V, VREF = 2.5V 51 k Ω Y+, X+ 6 Ω Switch On-Resistance Y–, X– 5 Ω Switch drivers drive current(2) 100ms duration 50 mA TEMPERATURE MEASUREMENT Temperature range –40 +85 °C Differential method(3), SNSVDD = 3V VREF = 2.5V 1.6 °C/LSB Resolution TEMP1(4), SNSVDD = 3V VREF = 2.5V 0.3 °C/LSB Differential method(3), SNSVDD = 3V VREF = 2.5V ±2 °C/LSB Accuracy TEMP1(4), SNSVDD = 3V VREF = 2.5V ±3 °C/LSB INTERNAL OSCILLATOR SNSVDD = 1.6V 3.6 MHz Clock frequency, fOSC SNSVDD = 3.0V 3.8 MHz SNSVDD = 1.6V 0.0056 %/ °C Frequency drift SNSVDD = 3.0V 0.012 %/ °C DIGITAL INPUT/OUTPUT Logic family CMOS 1.2V ≤ I/OVDD < 1.6V 0.7 × I/OVDD I/OVDD + 0.3 V VIH 1.6V ≤ I/OVDD ≤ 3.6V 0.7 × I/OVDD I/OVDD + 0.3 V 1.2V ≤ I/OVDD < 1.6V –0.3 0.2 × I/OVDD V VIL 1.6V ≤ I/OVDD ≤ 3.6V –0.3 0.3 × I/OVDD V IIL SCLK pin or CS pin –1 1 µA Logic level CIN 10 pF VOH IOH = 2 TTL loads I/OVDD – 0.2 I/OVDD V VOL IOL = 2 TTL loads 0 0.2 V ILEAK Floating output –1 1 µA COUT Floating output 10 pF Data format Straight Binary (1) LSB means Least Significant Bit. With VREF = +2.5V, one LSB is 610µV. (2) Assured 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. 3 Submit Documentation Feedback |
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