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OPA338UAG4 from TI/BB,Texas Instruments

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OPA338UAG4

Manufacturer: TI/BB

MicroSIZE, Single-Supply CMOS Operational Amplifier MicroAmplifier(TM) Series 8-SOIC -40 to 85

Partnumber Manufacturer Quantity Availability
OPA338UAG4 TI/BB 1978 In Stock

Description and Introduction

MicroSIZE, Single-Supply CMOS Operational Amplifier MicroAmplifier(TM) Series 8-SOIC -40 to 85 The **OPA338UAG4** is a high-performance, low-power operational amplifier (op-amp) designed for precision applications. Manufactured by Texas Instruments, this component is part of the OPA338 series, known for its ultra-low power consumption and rail-to-rail input/output capabilities.  

With a supply voltage range of **1.8V to 5.5V**, the OPA338UAG4 is well-suited for battery-powered devices, portable instrumentation, and sensor interfaces. It features a low quiescent current of **14µA (typical)**, making it ideal for energy-efficient designs. The op-amp also offers a **bandwidth of 1MHz** and a slew rate of **0.6V/µs**, ensuring stable performance in signal conditioning and amplification tasks.  

The device includes a shutdown mode, reducing power consumption further when inactive. Its rail-to-rail operation allows for maximum dynamic range in low-voltage applications. Additionally, the OPA338UAG4 maintains excellent DC precision with low input offset voltage and minimal drift over temperature.  

Packaged in an **8-pin SOIC**, the OPA338UAG4 is compact and suitable for space-constrained designs. Whether used in medical devices, IoT sensors, or industrial control systems, this op-amp delivers reliable performance with minimal power overhead. Engineers seeking a balance between efficiency and precision will find it a compelling choice for modern electronic circuits.

Application Scenarios & Design Considerations

MicroSIZE, Single-Supply CMOS Operational Amplifier MicroAmplifier(TM) Series 8-SOIC -40 to 85

Alternative Part Number

  • OPA337UA --: Same OPA337/338 family single op-amp in SOIC-8 with similar low-power rail-to-rail performance; OPA337 is the closely related variant and is a direct functional substitute in most circuits.
  • OPA340UA --: Rail-to-rail CMOS single op-amp in SOIC-8 with comparable bandwidth and supply range, widely used as a drop-in replacement for the OPA338 in low-power signal conditioning.
  • LMV321IDBVR --: Low-voltage rail-to-rail single op-amp offering similar low-power operation; a cost-effective alternative when exact OPA338 specifications are not critical, though package and pinout should be verified.

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