OP27GS

OP27GS is a variant of the OP27 precision, low-noise operational amplifier. It’s designed for high DC accuracy and low distortion, with features like very low input offset voltage and drift, low input bias current, and solid open-loop gain. The GS suffix typically indicates a specific packaging/grade variant (e.g., an 8-pin DIP or SOIC option) offered by the vendor.
Key points:
- Applications: instrumentation amplifiers, precision filters, sensor signal conditioning, DC servo loops, audio preamps.
- Performance: suitable for circuits needing accurate DC performance and modest bandwidth.
- Power: typically dual supplies (around ±3 to ±18 V, or up to ~36 V total), with good common-mode range and output swing for many loads.
For exact electrical specs, pinout, and recommended operating conditions, consult the latest OP27/OP27GS datasheet from Analog Devices/Burr-Brown.

OP27GS is in the OP27 precision op-amp family. Direct equivalents (drop-in/pin-compatible) include:
- OPA27 (Texas Instruments)
- OP27 (Analog Devices)
- ADOP27 (Analog Devices’ naming for the same device)

- Pin count: 8 pins (DIP-8).
- Function: A single precision, low-noise, high-accuracy operational amplifier (OP27 family).

The OP27GS is manufactured by Burr-Brown, an American semiconductor company known for precision analog integrated circuits and op-amps. Burr-Brown was acquired by Texas Instruments in 2000, so today the product is offered by TI, a multinational semiconductor company that designs and manufactures analog and mixed-signal ICs.

OP27GS is a precision, low-noise op-amp. Common applications include:
- Instrumentation and differential amplifiers
- Sensor signal conditioning (thermocouples, RTDs, strain gauges)
- Active filters, integrators, and precision DC circuits
- Audio preamplifiers and phono stages
- Data-acquisition front-ends and ADC drivers
- Medical/biomedical instrumentation and general high-accuracy analog front-ends

OP27GS uses an 8-pin Small-Outline (SO-8) surface-mount package.