component

OPA228PA

Public Made by Adom

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Texas Instruments Precision Op Amps, PDIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentamplifiers-comparatorsopa228pafactory-2.0.0extractor-text

Verified OPA228PA

by Ray · last 5 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

5 Nov 2026RayPublished by the parts factory: tier mfr, 8 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: OPA228PA · PDIP-8 · 8 pins
  • ✓copper: 8 copper pads, none touching another net
  • ✓datasheet: all 8 pin names found in the 50-page datasheet
  • ✓distributor: lcsc C2860800, digikey 296-41586-5-ND, mouser 595-OPA228PA
  • ✓family: DIP-8_W7.62mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-7y11wr8h/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 8 pins = 8 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 8 pins agree
  • ✓symbol_text: no pin names collide
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ opa228pa.kicad_sym✓ opa228pa.kicad_mod✓ opa228pa.step
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3D Model

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Symbol & Footprint

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Contents

README

markdown

OPA228PA

Texas Instruments · Precision Op Amps · PDIP-8

OPA228PA from Texas Instruments, in a PDIP-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 Offset Trim input Input offset voltage trim; leave floating if not used.
2 -In input Inverting input.
3 +In input Noninverting input.
4 V- power_in Negative (lowest) power supply.
5 NC unconnected No internal connection; can be left floating.
6 Output output Output.
7 V+ power_in Positive (highest) power supply.
8 Trim passive Input offset voltage trim; leave floating if not used.

Key specifications

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

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Input offset voltage (PA grade) VOS -200 10 200 µV UA, PA grades; TA = +25°C 9
Input offset voltage over temperature (PA grade) VOS -200 200 µV UA, PA grades; TA = -40°C to +85°C 9
Input offset voltage drift (PA grade) dVOS/dT -2 0.3 2 µV/°C UA, PA grades; TA = -40°C to +85°C 9
Power-supply rejection ratio PSRR -2 0.5 2 µV/V VS = ±2.5 V to ±18 V 9
Power-supply rejection ratio over temperature PSRR -2 2 µV/V TA = -40°C to +85°C 9
Input bias current IB -10 2.5 10 nA 9
Input bias current over temperature IB -10 10 nA TA = -40°C to +85°C 9
Input offset current IOS -10 2.5 10 nA 9
Input offset current over temperature IOS -10 10 nA TA = -40°C to +85°C 9
Common-mode rejection ratio CMRR 120 138 dB (V-) + 2 V < VCM < (V+), 2 V 9
Common-mode rejection ratio over temperature CMRR 120 dB TA = -40°C to +85°C 9
Open-loop voltage gain AOL 132 160 dB (V-) + 2 V < VO < (V+), 2 V 10
Open-loop voltage gain over temperature AOL 132 dB TA = -40°C to +85°C 10
Open-loop voltage gain, RL = 600 Ω AOL 132 160 dB (V-) + 3.5 V < VO < (V+), 3.5 V, RL = 600 Ω 10
Open-loop voltage gain over temperature, RL = 600 Ω AOL 132 dB TA = -40°C to +85°C, RL = 600 Ω 10
Short-circuit current ISC -45 45 45 mA 10
Quiescent current per amplifier IQ 3.7 3.8 mA IO = 0 A 10
Quiescent current per amplifier over temperature IQ 4.2 mA TA = -40°C to +85°C; IO = 0 A 10
Single supply voltage VS 4.5 30 36 V Single supply, VS = (V+), (V-) 5
Dual supply voltage VS 2.25 15 18 V Dual supply, VS = (V+), (V-), ± 5
Specified temperature -40 85 °C Operating free-air temperature range 5
Single supply voltage VS 36 V Single supply, VS = (V+), (V-) 5
Dual supply voltage VS 18 V Dual supply, VS = (V+), (V-), ± 5
Signal input current 20 mA Signal input pins 5
Operating temperature TA -55 125 °C Over operating free-air temperature range 5
Junction temperature TJ 150 °C 5
Storage temperature Tstg -65 150 °C 5
Junction-to-ambient thermal resistance (PDIP) RθJA 48.9 °C/W OPA227P, OPA227PA, OPA228P, OPA228PA, P (PDIP) 8 pins 6
Junction-to-case(top) thermal resistance (PDIP) RθJC(top) 37.7 °C/W OPA227P, OPA227PA, OPA228P, OPA228PA, P (PDIP) 8 pins 6
Junction-to-board thermal resistance (PDIP) RθJB 26.1 °C/W OPA227P, OPA227PA, OPA228P, OPA228PA, P (PDIP) 8 pins 6
Junction-to-top characterization parameter (PDIP) ψJT 15.1 °C/W OPA227P, OPA227PA, OPA228P, OPA228PA, P (PDIP) 8 pins 6
Junction-to-board characterization parameter (PDIP) ψJB 26 °C/W OPA227P, OPA227PA, OPA228P, OPA228PA, P (PDIP) 8 pins 6

CAD (KiCad official)

  • Symbol: OPA228PA
  • Footprint: Package_DIP:DIP-8_W7.62mm
  • 3D model: PDIP-8 (KiCad packages3D, STEP)
  • 3D model files: opa228pa-etched.step / opa228pa-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); opa228pa.step / opa228pa.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (50 pp, sha256 159e5e30815447ed, retrieved 2026-11-05, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (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