component
INA133UA
Public Made by Adomby adom
Texas Instruments Differential Amplifiers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownINA133UA
Texas Instruments · Differential Amplifiers · SOIC-8
INA133UA 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 | Ref | input | Reference input with maximum voltage VS and 25kΩ resistor connected to op-amp non-inverting terminal |
| 2 | -IN | input | Negative (inverting) input with maximum voltage 2×VS and 25kΩ resistor connected to op-amp inverting terminal |
| 3 | +IN | input | Positive (non-inverting) input with maximum voltage 2×VS and 25kΩ resistor connected to op-amp non-inverting terminal |
| 4 | V- | power_in | Negative (lowest) supply voltage, 0 to 36V total span with V+ |
| 5 | Sense | input | Sense input with maximum voltage VS and 25kΩ resistor connected to op-amp inverting terminal |
| 6 | Output | output | Amplifier output, operating voltage range (V-)+ 1V to (V+)-1.5V for gain error less than 0.1% |
| 7 | V+ | power_in | Positive (highest) supply voltage, 0 to 36V total span with V- |
| 8 | NC | unconnected | Not connected internally, can be left floating |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-8 |
| Category | Amplifiers/Comparators |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
INA133UA - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
ina133ua-etched.step/ina133ua-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ina133ua.step/ina133ua.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (41 pp, sha256
15b53f9e067f70ea, retrieved 2026-10-01, 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, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).