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ADS1178IPAPT Datasheet(PDF) 4 Page - Texas Instruments |
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ADS1178IPAPT Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 35 page  www.ti.com ADS1174 ADS1178 SBAS373 – OCTOBER 2007 ELECTRICAL CHARACTERISTICS (continued) All specifications at TA = –40°C to +105°C, AVDD = +5V, DVDD = +1.8V, IOVDD = +3.3V, fCLK = 27MHz, VREFP = 2.5V, VREFN = 0V, and all channels active, unless otherwise noted. ADS1174, ADS1178 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VOLTAGE REFERENCE INPUTS Reference input voltage (VREF) VREF = VREFP – VREFN 0.5 2.5 3.1 V Negative reference input (VREFN) AGND – 0.1 VREFP – 0.5 V Positive reference input (VREFP) VREFN + 0.5 AVDD + 0.1 V High-Speed mode 2.6 k Ω ADS1174 Reference Input impedance Low-Power mode 13 k Ω High-Speed mode 1.3 ADS1178 Reference Input impedance Low-Power mode 6.5 DIGITAL INPUT/OUTPUT (IOVDD = 1.8V to 3.6V) VIH 0.7 IOVDD IOVDD V VIL DGND 0.3 IOVDD V VOH IOH = 5mA 0.8 IOVDD IOVDD V VOL IOL = 5mA DGND 0.2 IOVDD V Input leakage 0 < VIN DIGITAL < IOVDD ±10 μA Master clock rate (fCLK) 0.1 27 MHz POWER SUPPLY AVDD 4.75 5 5.25 V DVDD 1.65 1.8 1.95 V IOVDD 1.65 3.3 3.6 V High-Speed mode 22 TBD mA ADS1174 Low-Power mode 5 TBD mA AVDD current Power-Down mode 1 TBD μA High-Speed mode 40 TBD mA ADS1178 Low-Power mode 9 TBD mA AVDD current Power-Down mode 1 TBD μA High-Speed mode 9 TBD mA ADS1174 Low-Power mode 2.5 TBD mA DVDD current Power-Down mode 1 TBD μA High-Speed mode 17 TBD mA ADS1178 Low-Power mode 4.5 TBD mA DVDD current Power-Down mode 1 TBD μA High-Speed mode 100 TBD μA ADS1174 Low-Power mode 100 TBD μA IOVDD current Power-Down mode 1 TBD μA High-Speed mode 150 TBD μA ADS1178 Low-Power mode 150 TBD μA IOVDD current Power-Down mode 1 TBD μA High-Speed mode 125 TBD mW ADS1174 Power dissipation Low-Power mode 32 TBD mW High-Speed mode 225 TBD mW ADS1178 Power dissipation Low-Power mode 60 TBD mW 4 Submit Documentation Feedback Copyright © 2007, Texas Instruments Incorporated Product Folder Link(s): ADS1174 ADS1178 |
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