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INA270A-Q1 Datasheet(PDF) 3 Page - Texas Instruments |
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INA270A-Q1 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 23 page 1 IN± 8 IN+ 2 GND 7 NC 3 PRE OUT 6 V 4 BUF IN 5 OUT (1) S 3 INA270A-Q1, INA271A-Q1 www.ti.com SBOS401C – JULY 2007 – REVISED APRIL 2016 Product Folder Links: INA270A-Q1 INA271A-Q1 Submit Documentation Feedback Copyright © 2007–2016, Texas Instruments Incorporated 5 Device Comparison Table DEVICE GAIN INA270A-Q1 14 V/V INA271A-Q1 20 V/V (1) A = Analog, AI = Analog input, AO = Analog output 6 Pin Configuration and Functions D Package 8-Pin SOIC Top View (1) NC – No internal connection Pin Functions PIN TYPE(1) DESCRIPTION NAME NO. BUF IN 4 AI Buffer Input. Connect to output of filter from PRE OUT GND 2 A Ground IN– 1 AI Negative input. Connect to load side of shunt resistor. IN+ 8 AI Positive input. Connect to supply side of shunt resistor. NC 7 — Not internally connected. Connect to ground. PRE OUT 3 AO Pre Amplifier Output. Connect to input of filter to BUF IN. OUT 5 AO Output VS 6 AI Power supply, 2.7 V to 18 V (1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. 7 Specifications 7.1 Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted) (1) MIN MAX UNIT VS Supply voltage 18 V VSENSE Differential analog input voltage range (VIN+ – VIN–) –18 18 V VCM Common-mode analog input voltage range (VIN+ + VIN–)/2 –16 80 V VO Analog output voltage range (OUT and PRE OUT) (GND – 0.3) (VS) + 0.3 V II Input current (any pin) 5 mA TJ Maximum junction temperature 150 °C TA Operating free-air temperature –40 125 °C Tstg Storage temperature –65 150 °C |
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