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INA181A2IDBVT Datasheet(PDF) 4 Page - Texas Instruments |
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INA181A2IDBVT Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 46 page  1 REF1 20 REF4 2 OUT1 19 OUT4 3 IN±1 18 IN±4 4 IN+1 17 IN+4 5 VS 16 GND 6 IN+2 15 IN+3 7 IN±2 14 IN±3 8 OUT2 13 OUT3 9 REF2 12 REF3 10 NC 11 NC Not to scale 1 OUT1 10 VS 2 IN±1 9 OUT2 3 IN+1 8 IN±2 4 GND 7 IN+2 5 REF1 6 REF2 Not to scale 4 INA181, INA2181, INA4181 SBOS793C – APRIL 2017 – REVISED DECEMBER 2017 www.ti.com Product Folder Links: INA181 INA2181 INA4181 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated DGS Package 10-Pin VSSOP Top View PW Package(1) 20-Pin TSSOP Top View (1) INA4181 is preview device. See the Package Option Addendum at the end of this data sheet for more information. Pin Functions: INA2181 (Dual Channel) and INA4181 (Quad Channel) PIN TYPE DESCRIPTION NAME INA2181 INA4181 GND 4 16 Analog Ground IN–1 2 3 Analog input Current-sense amplifier negative input for channel 1. For high-side applications, connect to load side of channel-1 sense resistor. For low- side applications, connect to ground side of channel-1 sense resistor. IN+1 3 4 Analog input Current-sense amplifier positive input for channel 1. For high-side applications, connect to bus-voltage side of channel-1 sense resistor. For low-side applications, connect to load side of channel-1 sense resistor. IN–2 8 7 Analog input Current-sense amplifier negative input for channel 2. For high-side applications, connect to load side of channel-2 sense resistor. For low- side applications, connect to ground side of channel-2 sense resistor. IN+2 7 6 Analog input Current-sense amplifier positive input for channel 2. For high-side applications, connect to bus-voltage side of channel-2 sense resistor. For low-side applications, connect to load side of channel-2 sense resistor. IN–3 — 14 Analog input Current-sense amplifier negative input for channel 3. For high-side applications, connect to load side of channel-3 sense resistor. For low- side applications, connect to ground side of channel-3 sense resistor. IN+3 — 15 Analog input Current-sense amplifier positive input for channel 3. For high-side applications, connect to bus-voltage side of channel-3 sense resistor. For low-side applications, connect to load side of channel-3 sense resistor. IN–4 — 18 Analog input Current-sense amplifier negative input for channel 4. For high-side applications, connect to load side of channel-4 sense resistor. For low- side applications, connect to ground side of channel-4 sense resistor. IN+4 — 17 Analog input Current-sense amplifier positive input for channel 4. For high-side applications, connect to bus-voltage side of channel-4 sense resistor. For low-side applications, connect to load side of channel-4 sense resistor. NC — 10, 11 — NC denotes no internal connection. These pins can be left floating or connected to any voltage between VS and ground. OUT1 1 2 Analog output Channel 1 output voltage OUT2 9 8 Analog output Channel 2 output voltage OUT3 — 13 Analog output Channel 3 output voltage |
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