component
INA157U
Public Made by Adomby adom
Texas Instruments Differential Amplifiers, SOIC-8. Datasheet-verified pinout, 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
markdownINA157U
Texas Instruments · Differential Amplifiers · SOIC-8
INA157U from Texas Instruments, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | Ref | input | Reference voltage input terminal; output voltage level is referred to this pin such that a voltage applied here will be summed with the output signal; source impedance should be less than 10Ω to maintain common-mode rejection. |
| 2 | -In | input | Negative differential input terminal; input common-mode voltage range is 3(V+)-7.5V to 3(V-)+7.5V; input impedance is 24 kΩ. |
| 3 | +In | input | Positive differential input terminal; input common-mode voltage range is 3(V+)-7.5V to 3(V-)+7.5V; input impedance is 24 kΩ. |
| 4 | V- | power_in | Negative power supply voltage; rated supply voltage ±15V, operating voltage range ±4V to ±18V. |
| 5 | Sense | unconnected | Function not documented in datasheet; listed in pin configuration table but not described in specifications or applications. |
| 6 | Output | output | Voltage output terminal; output voltage swing from (V+)-1.8V to (V-)+1.6V, maximum continuous output current ±60 mA to ground, maximum stable capacitive load 500 pF. |
| 7 | V+ | power_in | Positive power supply voltage; rated supply voltage ±15V, operating voltage range ±4V to ±18V. |
| 8 | NC | unconnected | No Connection; pin should be left unconnected. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-8 |
| Category | Amplifiers/Comparators |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
INA157U - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
ina157u-etched.step/ina157u-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ina157u.step/ina157u.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (14 pp, sha256
a042d6378a749ad0, retrieved 2026-09-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).