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INA333AIDRGT

Texas Instruments · Instrumentation Amplifiers · WSON-8-EP(3x3)

INA333AIDRGT from Texas Instruments, in a WSON-8-EP(3x3). 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 RG passive Gain setting pin; connect external resistor between pins 1 and 8 to set gain G = 1 + 100kΩ/RG.
2 VIN- power_in Negative (inverting) input; recommended input voltage range (V-) + 0.1 to (V+) - 0.1 V.
3 VIN+ power_in Positive (non-inverting) input; recommended input voltage range (V-) + 0.1 to (V+) - 0.1 V.
4 V- power_in Negative supply; operating voltage range 1.8 to 5.5 V.
5 REF input Reference input; must be driven by low impedance or connected to ground.
6 VOUT output Output; output voltage range (V-) + 0.05 to (V+) - 0.05 V.
7 V+ power_in Positive supply; operating voltage range 1.8 to 5.5 V.
8 RG passive Gain setting pin; connect external resistor between pins 1 and 8 to set gain G = 1 + 100kΩ/RG.
9 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package WSON-8-EP(3x3)
Category Amplifiers/Comparators
Pins 9

CAD (KiCad official)

  • Symbol: INA333AIDRGT
  • Footprint: Package_SON:WSON-8-1EP_3x3mm_P0.5mm_EP1.6x2.0mm
  • 3D model: WSON-8-EP(3x3) (KiCad packages3D, STEP)
  • 3D model files: ina333aidrgt-etched.step / ina333aidrgt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ina333aidrgt.step / ina333aidrgt.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (35 pp, sha256 b71fc9ea1ae31811, retrieved 2026-10-03, 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