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OPA2131UJG4 from TI/BB,Texas Instruments

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OPA2131UJG4

Manufacturer: TI/BB

General Purpose FET-Input Operational Amplifiers 8-SOIC

Partnumber Manufacturer Quantity Availability
OPA2131UJG4 TI/BB 26 In Stock

Description and Introduction

General Purpose FET-Input Operational Amplifiers 8-SOIC The **OPA2131UJG4** is a high-performance, dual-channel operational amplifier (op-amp) designed for precision audio and signal processing applications. Manufactured by Texas Instruments, this component is part of the **SoundPlus™** series, known for its low noise, low distortion, and high-speed performance.  

Featuring **JFET input stages**, the OPA2131UJG4 offers ultra-low input bias current and high input impedance, making it ideal for high-impedance sensor interfaces and audio equipment. With a **low noise density of 8 nV/√Hz** and **THD+N as low as 0.00008%**, it ensures exceptional signal fidelity in critical applications such as professional audio mixers, medical instrumentation, and high-end DACs.  

The device operates over a **wide supply voltage range (±2.25V to ±18V)**, providing flexibility in various circuit designs. Its **unity-gain stability** and **high slew rate (20 V/µs)** enable fast signal response without compromising accuracy. Additionally, the OPA2131UJG4 is available in a **SOIC-8 package**, ensuring compact integration into space-constrained designs.  

Engineers favor this op-amp for its **reliability, low power consumption, and robust performance** across industrial and consumer applications. Whether used in active filters, buffering stages, or precision amplifiers, the OPA2131UJG4 delivers consistent, high-quality results.

Application Scenarios & Design Considerations

General Purpose FET-Input Operational Amplifiers 8-SOIC

Alternative Part Number

  • TL072CDR --: Widely available low-noise JFET-input dual op-amp in SOIC-8, a common drop-in substitute for general-purpose audio and signal conditioning where the OPA2131's precision is not critical.
  • LF353N --: Dual JFET-input op-amp with similar bandwidth and input characteristics, available in DIP-8, suitable for cost-sensitive replacements in non-precision circuits.
  • MC33078DR2G --: Low-noise dual bipolar op-amp in SOIC-8 offering comparable gain-bandwidth and supply range, a practical alternative when slightly higher input bias current is acceptable.

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