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INA240A4EDRQ1

Public Made by Adom

by adom

Texas Instruments Current Sense Amplifiers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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INA240A4EDRQ1

Texas Instruments · Current Sense Amplifiers · SOIC-8

INA240A4EDRQ1 from Texas Instruments, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 IN- input Negative differential input; connected to load side of shunt resistor for current measurement
2 GND power_in Analog ground reference; 0V reference for all circuits
3 REF2 input Reference 2 voltage input; connect to 0V to VS to adjust output midpoint for single or dual-directional current measurement
4 NC unconnected No connection; pin not connected to internal circuit; may be grounded or left floating
5 OUT output Analog output voltage; output range limited by supply voltage VS with 50mV minimum above GND and 200mV minimum below VS
6 VS power_in Power supply voltage; operating range 2.7V to 5.5V, supports single supply operation
7 REF1 input Reference 1 voltage input; connect to 0V to VS to adjust output midpoint for single or dual-directional current measurement
8 IN+ input Positive differential input; connected to power side of shunt resistor for current measurement; differential range ±80V maximum

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-8
Category Amplifiers/Comparators
Pins 8

CAD (KiCad official)

  • Symbol: INA240A4EDRQ1
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: ina240a4edrq1-etched.step / ina240a4edrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ina240a4edrq1.step / ina240a4edrq1.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (38 pp, sha256 c39d41044d3f311b, retrieved 2026-10-07, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF