# Operational Amplifier OPA277UA by Texas Instruments — Precision Linear IC, SOIC-8

**URL:** https://aio.lv/en/product--texas-instruments-opa277ua--12224533
**Data updated:** 2026-03-29 16:11 (EEST)
**Category:** Electronics Accessories
**Manufacturer:** texas instruments
**Manufacturer code:** OPA277UA
**EAN:** 2050002126084
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 14.99 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 12.39 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--texas-instruments-opa277ua--12224533

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.99 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Texas Instruments OPA277UA is a precision operational amplifier (linear IC) in an SOIC-8 package. Designed for accurate analog signal conditioning, it provides low offset and low drift suitable for instrumentation, sensor interfacing, and high-precision data acquisition. Typical uses include amplifiers, filters, and precision reference buffering in medical, industrial, and measurement equipment.

## Long description

The Texas Instruments OPA277UA is a precision operational amplifier in an SOIC-8 package designed for accurate analog signal conditioning. It delivers low offset voltage and low drift over temperature, making it suitable for high-precision measurement and instrumentation circuits. The device is intended for use in amplifier stages, filter networks, sensor interfaces and precision reference buffering where stability and minimal error are required.
Advantages
The OPA277UA provides low input offset and low offset drift, enabling stable long-term measurements and reduced calibration requirements. Its low noise and predictable gain characteristics support sensitive signal paths. The SOIC-8 package offers standard PCB mounting and compatibility with common industrial and laboratory assemblies. The amplifier's linear behavior and predictable temperature response simplify design for precision data acquisition and control systems.
Suitable for
 Precision amplifiers and instrumentation front-ends
 Sensor signal conditioning (thermocouples, RTDs, strain gauges)
 Active filters and integrator circuits
 Reference buffering and precision voltage followers
 Medical, industrial and laboratory measurement equipment
Key specifications
 Package type: SOIC-8 surface-mount
 Amplifier type: precision operational amplifier (dual/quad not stated)
 Low input offset voltage suitable for high-accuracy applications
 Low offset drift for stable operation across temperature changes
 Low noise performance for sensitive analog paths
 Rail-to-rail output: not specified; check supply and output swing requirements
 Typical applications: signal conditioning, filters, reference buffering
How to use
Place the OPA277UA in the signal path according to the intended topology (inverting, non-inverting, differential, filter or buffer). Provide appropriate supply voltages within the device's recommended range and include bypass capacitors near the supply pins to minimize noise. For precision operation, use low-leakage PCB materials, keep input bias currents and source impedances low, and follow good grounding and layout practices to avoid offset errors and input contamination. Match resistor values carefully in differential or bridge circuits to preserve accuracy.
Usage recommendations
Use the OPA277UA where low offset and low drift are critical. Verify temperature behavior in the target application and include calibration or trimming if required. For optimal results, follow recommended layout guidelines from the manufacturer and condition inputs with appropriate filtering or protection against transients.

## FAQ

### How much does the OPA277UA Operational Amplifier — Texas Instruments cost, and is it available for purchase?

The price is 14.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 13.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All texas instruments products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized texas instruments service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

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