OPA2134UA

Instrumentation, Op Amps, Buffer Amps Overview

The OPA2134UA is a dual-channel, high-performance audio operational amplifier from the SoundPlus series. It features an FET input stage with 8 MHz gain-bandwidth product and 20 V/µs slew rate. The device operates on single or dual supplies ranging from 5 V to 36 V. Key electrical parameters include 8 nV/√Hz input voltage noise density, 100 pA input bias current, and 0.00015% THD+N. It provides 40 mA output current and functions within a temperature range of -40°C to +85°C in an 8-pin SOIC package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Incorporates a true FET input stage for superior sound quality and low distortion.
• Provides wide output swing capability, operating within 1V of the supply rails.
• Features unity-gain stability and freedom from phase inversion issues common in FET-input amplifiers.

Instrumentation, Op Amps, Buffer Amps Applications

• Audio preamplifier circuits
• High-fidelity audio signal processing
• Professional audio equipment

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific ordering suffix against the manufacturer's datasheet to confirm packaging type, as variations exist between tube and reel formats. Ensure the selected variant matches the required thermal and humidity sensitivity specifications for the intended manufacturing process. Cross-reference the exact part number with official Texas Instruments documentation to validate compliance and revision status before procurement.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component for applications requiring low noise and high speed in audio signal paths. The dual configuration allows independent circuitry to minimize crosstalk. Consider the 8-pin SOIC package for surface-mount assembly. Verify that the power supply voltage remains within the specified 5 V to 36 V range to ensure proper operation and avoid damage.

Instrumentation, Op Amps, Buffer Amps Part Context

The OPA2134UA belongs to the OPAx134 family of high-performance audio operational amplifiers originally developed by Burr-Brown and now manufactured by Texas Instruments. This series is designed specifically for demanding audio applications where low distortion and high fidelity are critical. The dual version offers two completely independent channels within a single compact package.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

OPA2134PA (PDIP-8)

Instrumentation, Op Amps, Buffer Amps FAQ

Does the OPA2134UA suffer from phase inversion?

No, the OPA2134UA is designed to be free from phase inversion and overload problems often found in common FET-input op amps.

What is the maximum supply voltage for the OPA2134UA?

The device supports a maximum supply voltage of 36 V, allowing operation from ±2.5 V to ±18 V.