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ADS1217 Datasheet(PDF) 5 Page - Texas Instruments |
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ADS1217 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 34 page ADS1217 SBAS260C 5 www.ti.com POWER-SUPPLY REQUIREMENTS Power-Supply Voltage AVDD 2.7 3.3 V Analog Current (IADC + IVREF + IIDAC) PDWN = 0, or SLEEP 1 nA A/D Converter Current (IADC) PGA = 1, Buffer OFF 160 250 µA PGA = 128, Buffer OFF 450 700 µA PGA = 1, Buffer ON 230 325 µA PGA = 128, Buffer ON 850 1325 µA VREF Current (IVREF) 250 375 µA IIDAC Current (IIDAC) Excludes Load Current 480 675 µA Digital Current Normal Mode, DVDD = 3V 90 200 µA SLEEP Mode, DVDD = 3V 75 µA Read Data Continuous Mode, DVDD = 3V 113 µA PDWN = 0 1 nA Power Dissipation PGA = 1, Buffer OFF, REFEN = 0, 0.8 1.4 mW IDACs OFF, DVDD = 3V NOTES: (1) FSR is Full-Scale Range. (2) ∆V OUT is change in digital result. (3) 12pF switched capacitor at fSAMP clock frequency. ADS1217 PARAMETER CONDITIONS MIN TYP MAX UNITS ELECTRICAL CHARACTERISTICS: AVDD = 3V (Cont.) All specifications at –40 °C to +85°C, AV DD = +3V, DVDD = +2.7V to 5.25V, fMOD = 19.2kHz, PGA = 1, Buffer ON, RDAC = 75kΩ, fDATA = 10Hz, and VREF = +1.25V, unless otherwise specified. PARAMETER CONDITIONS MIN TYP MAX UNITS INPUT/OUTPUT Logic Level VIH 0.8 × DV DD DVDD V VIL(1) DGND 0.2 × DV DD V VOH IOH = 1mA DVDD – 0.4 V VOL IOL = 1mA DGND DGND + 0.4 V Input Leakage: IIN 0 < VI < DVDD –10 10 µA CLOCK RATES Master Clock Rate: fOSC 1 8 MHz Master Clock Period: tOSC 1/fOSC 125 1000 ns NOTE: (1) Maximum VIL for XIN is DGND + 0.05V. ELECTRICAL CHARACTERISTICS: Digital All specifications at –40 °C to +85°C, and DV DD = +2.7V to 5.25V. |
Similar Part No. - ADS1217_14 |
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Similar Description - ADS1217_14 |
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