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TSC2004IYZKT датащи(PDF) 3 Page - Burr-Brown (TI) |
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TSC2004IYZKT датащи(HTML) 3 Page - Burr-Brown (TI) |
3 / 58 page www.ti.com ELECTRICAL CHARACTERISTICS TSC2004 SBAS408E – JUNE 2007 – REVISED MARCH 2008 At TA = –40°C to +85°C, SNSVDD = VREF = +1.2V to +3.6V, I/OVDD (1) = +1.2V to +3.6V, unless otherwise noted. TSC2004 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 –3 –0.8 to +1.4 +3 LSB(2) Differential linearity –2 –0.6 to +0.7 +4 LSB TSC2004IRTJ –5 2.2 5 LSB SNSVDD = 1.6V, VREF = 1.6V, Offset error High-Speed mode, filter off TSC2004IYZK 2.2 LSB TSC2004IRTJ –3 0.1 +3 SNSVDD = 1.6V, VREF = 1.6V, Gain error LSB High-Speed mode, filter off TSC2004IYZK 0.1 REFERENCE INPUT VREF range 1.2 SNSVDD V Non-continuous AUX mode, SNSVDD = VREF = 1.6V, VREF input current drain 1.2 µA TA = +25°C, fADC = 2MHz, High-Speed mode Input impedance A/D converter not converting 1 G Ω TOUCH SENSORS PENIRQ 50k Ω pull-up TA = +25°C, SNSVDD = VREF = 1.6V 47 k Ω resistor, RIRQ Y+, X+ TA = +25°C, SNSVDD = VREF = 1.6V 6 Ω Switch on-resistance Y–, X– TA = +25°C, SNSVDD = VREF = 1.6V 5 Ω Switch drivers drive 100ms duration 50 mA current(3) INTERNAL TEMPERATURE SENSOR Temperature range –40 +85 °C SNSVDD = 1.6V 0.3 °C/LSB Differential method(4) SNSVDD = 3V 1.6 °C/LSB Resolution SNSVDD = 1.6V 0.3 °C/LSB TEMP1(5) SNSVDD = 3V 1.6 °C/LSB SNSVDD = 1.6V ±3 °C/LSB Differential method(4) SNSVDD = 3V ±2 °C/LSB Accuracy SNSVDD = 1.6V ±3 °C/LSB TEMP1(5) SNSVDD = 3V ±2 °C/LSB INTERNAL OSCILLATOR SNSVDD = 1.2V, TA = +25°C 3.2 MHz Clock frequency, fOSC SNSVDD = 1.6V 3.3 3.7 4.3 MHz SNSVDD = 3.0V, TA = +25°C 4.1 MHz SNSVDD = 1.2V 0.118 %/ °C Frequency drift SNSVDD = 1.6V –0.018 %/ °C SNSVDD = 3.0V –0.032 %/ °C (1) I/OVDD must be ≤ SNSVDD. (2) LSB means Least Significant Bit. With VREF = +2.5V, one LSB is 610µV. (3) Assured by design, but not tested. Exceeding 50mA source current may result in device degradation. (4) Difference between TEMP1 and TEMP2 measurement; no calibration necessary. (5) Temperature drift is –2.1mV/ °C. Copyright © 2007–2008, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TSC2004 |
Аналогичный номер детали - TSC2004IYZKT |
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Аналогичное описание - TSC2004IYZKT |
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