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ADS8558IPM Datasheet(PDF) 8 Page - Texas Instruments |
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ADS8558IPM Datasheet(HTML) 8 Page - Texas Instruments |
8 / 40 page ADS8556 ADS8557 ADS8558 SBAS404A – OCTOBER 2006 – REVISED AUGUST 2009 ............................................................................................................................................... www.ti.com ELECTRICAL CHARACTERISTICS: GENERAL (continued) Over recommended operating free-air temperature range of –40°C to +125°C, AVDD = 4.5V to 5.5V, BVDD = 2.7V to 5.5V, HVDD = 10V to 15V, HVSS = –15V to –10V, VREF = 2.5V (internal), and fDATA = maximum, unless otherwise noted. ADS8556, ADS8557, ADS8558 PARAMETER CONDITIONS MIN TYP(1) MAX UNIT DIGITAL OUTPUTS(4) Logic family CMOS High-level output voltage IOH = 100µA BVDD – 0.6 BVDD V Low-level output voltage IOH = –100µA BGND BGND + 0.4 V High-impedance-state output current –50 50 nA Output capacitance 5 pF Load capacitance 30 pF POWER-SUPPLY REQUIREMENTS Analog supply voltage AVDD 4.5 5.0 5.5 V Buffer I/O supply voltage BVDD 2.7 3.0 5.5 V Input positive supply voltage HVDD 5.0 10.0 16.5 V Input negative supply voltage HVSS –16.5 –10.0 –5.0 V fDATA = maximum 30.0 36.0 mA ADS8556, fDATA = 250kSPS (auto-NAP mode) 14.0 16.5 mA ADS8557, fDATA = 250kSPS (auto-NAP mode) 14.0 17.0 mA Analog supply current(5) IAVDD ADS8558, f DATA = 250kSPS (auto-NAP mode) 14.0 18.0 mA Auto-NAP mode, no ongoing conversion, 4.0 6.0 mA internal conversion clock Power-down mode 0.1 50.0 µA fDATA = maximum 0.9 2.0 mA fDATA = 250kSPS (auto-NAP mode) 0.5 1.5 mA Buffer I/O supply current(6) IBVDD Auto-NAP mode, no ongoing conversion, 0.1 10.0 µA internal conversion clock Power-down mode 0.1 10.0 µA ADS8556, fDATA = maximum 3.0 3.5 mA ADS8557, fDATA = maximum 3.1 3.6 mA ADS8558, fDATA = maximum 3.3 4.0 mA Input positive supply current(7) IHVDD f DATA = 250kSPS (auto-NAP mode) 1.6 2.0 mA Auto-NAP mode, no ongoing conversion, 0.2 0.3 µA internal conversion clock Power-down mode 0.1 10.0 µA ADS8556, fDATA = maximum 3.6 4.0 mA ADS8557, fDATA = maximum 3.6 4.2 mA ADS8558, fDATA = maximum 4.0 4.8 mA Input negative supply current(8) IHVSS f DATA = 250kSPS (auto-NAP mode) 1.8 2.2 mA Auto-NAP mode, no ongoing conversion, 0.2 0.25 µA internal conversion clock Power-down mode 0.1 10.0 µA (4) Specified by design. (5) At AVDD = 5V. (6) At BVDD = 3V, parallel mode, load capacitance = 6pF/pin. (7) At HVDD = 15V. (8) At HVSS = –15V. 8 Copyright © 2006–2009, Texas Instruments Incorporated Product Folder Link(s): ADS8556 ADS8557 ADS8558 |
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