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TSC2046IRGVR Datasheet(PDF) 4 Page - Texas Instruments |
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TSC2046IRGVR Datasheet(HTML) 4 Page - Texas Instruments |
4 / 32 page TSC2046 SBAS265G − OCTOBER 2002 − REVISED JANUARY 2008 www.ti.com 4 ELECTRICAL CHARACTERISTICS: VS = +2.7V to +5.5V (continued) At TA = −40°C to +85°C, +VCC = +2.7V, VREF = 2.5V internal voltage, fSAMPLE = 125kHz, fCLK = 16 • fSAMPLE = 2MHz, 12-bit mode, digital inputs = GND or IOVDD, and +VCC must be ≥ IOVDD, unless otherwise noted. TSC2046 PARAMETER UNITS MAX TYP MIN CONDITION DIGITAL INPUT/OUTPUT Logic Family CMOS Capacitance All Digital Control Input Pins 5 15 pF VIH | IIH | ≤ +5µA IOVDD • 0.7 IOVDD + 0.3 V VIL | IIL | ≤ +5µA −0.3 0.3 • IOVDD V VOH IOH = −250µA IOVDD • 0.8 V VOL IOL = 250µA 0.4 V Data Format Straight Binary POWER-SUPPLY REQUIREMENTS +VCC(5) Specified Performance 2.7 3.6 V Operating Range 2.2 5.25 V IOVDD(6) 1.5 +VCC V Quiescent Current(7) Internal Reference Off 280 650 µA Internal Reference On 780 µA fSAMPLE = 12.5kHz 220 µA Power-Down Mode with 3 µA CS = DCLK = DIN = IOVDD Power Dissipation +VCC = +2.7V 1.8 mW TEMPERATURE RANGE Specified Performance −40 +85 °C (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 TEMP0 and TEMP1 measurement, no calibration necessary. (4) Temperature drift is −2.1mV/°C. (5) TSC2046 operates down to 2.2V. (6) IOVDD must be ≤ (+VCC). (7) Combined supply current from +VCC and IOVDD. Typical values obtained from conversions on AUX input with PD0 = 0. |
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