# Instrumentation Amplifier Texas Instruments INA122UA, single-channel, SO-8 package

**URL:** https://aio.lv/en/product--texas-instruments-ina122ua--12220604
**Data updated:** 2026-03-29 16:08 (EEST)
**Category:** Server Parts & Components
**Manufacturer:** texas instruments
**Manufacturer code:** INA122UA
**EAN:** 2050002119734
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 22.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 18.59 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--texas-instruments-ina122ua--12220604

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.99 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Texas Instruments INA122UA is a single-channel instrumentation amplifier in an SO-8 package designed for precision differential signal amplification. It provides low-noise gain for sensor interfacing, bridge transducers and data acquisition systems. Typical uses include amplifying small differential voltages from strain gauges, thermocouples and medical or industrial sensors where accurate low-level signal conditioning is required.

## Long description

Texas Instruments INA122UA is a single-channel instrumentation amplifier in an SO-8 package designed to amplify small differential voltages with precision and low noise. It is intended for sensor interfacing and signal conditioning in applications that require accurate amplification of low-level signals from bridge transducers, strain gauges, thermocouples and other differential sources. The device integrates input protection and a stable, high common-mode rejection to simplify measurement designs and improve data acquisition accuracy.
Advantages
The INA122UA offers low input noise and high input impedance, which reduces loading on sensors and preserves signal integrity. Its single-channel configuration and compact SO-8 package allow straightforward integration on mixed-signal PCBs. The amplifier provides adjustable gain via an external resistor, enabling flexible scaling for different sensor sensitivities while maintaining stable offset and gain characteristics over common operating conditions.
Suitable for
Amplifying low-level differential signals from strain gauges and load cells
Conditioning thermocouple or RTD signals prior to ADC conversion
Sensor interface circuits in medical and industrial measurement systems
Precision data acquisition front-end stages and portable instrumentation
Key specifications
Single-channel instrumentation amplifier topology
SO-8 small-outline integrated circuit package
Low input noise suitable for microvolt-level signals
High input impedance to minimize sensor loading
Adjustable gain via external resistor for flexible amplification
High common-mode rejection ratio for accurate differential measurements
Rail-to-rail compatible input range depending on supply configuration
How to use
Place the INA122UA on the PCB with correct SO-8 orientation and route differential sensor lines to the amplifier inputs, keeping traces short and balanced. Configure the desired gain by selecting an appropriate external resistor between the amplifier’s gain pins according to the device’s gain equation in the datasheet. Provide a stable supply voltage within the recommended range and include proper decoupling close to the device. After assembly, verify offset and gain with a known differential input and adjust layout or shielding if necessary to reduce noise pickup.
Usage recommendations
For optimal performance, use a short, star-ground layout and place bypass capacitors near the supply pins to minimize supply noise. Match input trace lengths and use ground planes to improve common-mode rejection. Choose the gain resistor with appropriate tolerance and temperature coefficient to maintain accuracy over temperature variations.

## FAQ

### How much does the Instrumentation Amplifier Texas Instruments INA122UA cost, and is it available for purchase?

The price is 22.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 16.07.2026 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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