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ADS1158IRTCRG4 Datasheet(PDF) 4 Page - Texas Instruments |
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ADS1158IRTCRG4 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 53 page ADS1158 SBAS429D – JUNE 2008 – REVISED MARCH 2011 www.ti.com ELECTRICAL CHARACTERISTICS (continued) All specifications at TA = –40°C to +105°C, AVDD = +2.5V, AVSS = –2.5V, DVDD = +3.3V, fCLK = 16MHz (external clock) or fCLK = 15.729MHz (internal clock), OPA227 buffer between MUX outputs and ADC inputs, VREF = +4.096V, and VREFN = –2.5V, unless otherwise noted. ADS1158 PARAMETER CONDITIONS MIN TYP MAX UNIT DIGITAL INPUT/OUTPUT VIH 0.7DVDD DVDD V VIL DGND 0.3DVDD V Logic levels VOH IOH = 2mA 0.8DVDD DVDD V VOL IOL = 2mA DGND 0.2DVDD V Input leakage VIN = DVDD, GND 10 μA Frequency 0.1 16 MHz Master clock input (CLKIO) Duty cycle 40 60 % Crystal frequency 32.768 kHz Clock output frequency 15.729 MHz Crystal oscillator (see Crystal Oscillator section) Start-up time (clock output valid) 150 ms Clock output duty cycle 40 60 % POWER SUPPLY DVDD 2.7 5.25 V AVSS –2.6 0 V AVDD AVSS + 4.75 AVSS + 5.25 V External clock 0.25 0.6 mA operation Internal oscillator operation, clock 0.04 mA output disabled DVDD supply current Internal oscillator operation, clock 1.4 mA output enabled(6) Power-down(7) 1 25 µA Converting 8.2 12 mA Standby 5.6 mA AVDD, AVSS supply current Sleep 2.1 mA Power-down 2 200 µA Converting 42 62 mW Standby 29 mW Power dissipation Sleep 11 mW Power-down 14 μW (6) CLKIO load = 20pF. (7) No clock applied to CLKIO. 4 Submit Documentation Feedback Copyright © 2008–2011, Texas Instruments Incorporated Product Folder Link(s): ADS1158 |
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