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OP291GS from AD,Analog Devices

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OP291GS

Manufacturer: AD

Micropower Single-Supply Rail-to-Rail Input/Output Op Amps

Partnumber Manufacturer Quantity Availability
OP291GS AD 2028 In Stock

Description and Introduction

Micropower Single-Supply Rail-to-Rail Input/Output Op Amps # Introduction to the OP291GS Operational Amplifier  

The OP291GS is a precision operational amplifier (op-amp) designed for high-performance applications requiring low power consumption and reliable signal amplification. Manufactured by Analog Devices, this component features a rail-to-rail output swing, making it suitable for single-supply operation in battery-powered and portable devices.  

With a low input offset voltage and minimal drift over temperature, the OP291GS ensures accurate signal conditioning in measurement and control systems. Its low quiescent current (typically under 1 mA) enhances efficiency in power-sensitive designs, while the wide supply voltage range (2.7V to 12V) provides flexibility across various circuit configurations.  

The OP291GS is available in a compact SOIC package, making it ideal for space-constrained applications. It is commonly used in sensor interfaces, data acquisition systems, and portable instrumentation where precision and low power are critical. Additionally, its robust design includes built-in EMI filtering, reducing susceptibility to noise in high-interference environments.  

Engineers favor the OP291GS for its balance of performance, power efficiency, and versatility, making it a dependable choice for both industrial and consumer electronics applications.

Application Scenarios & Design Considerations

Micropower Single-Supply Rail-to-Rail Input/Output Op Amps

Alternative Part Number

  • LM358DR --: Dual low-power op-amp in SOIC-8, pin-compatible with OP291GS and widely available; lower cost general-purpose substitute when precision is not critical.
  • OPA2192IDR --: Precision dual op-amp in SOIC-8 with low offset and low bias current, closely matching the OP291's precision characteristics for instrumentation use.
  • MC33078DR2G --: Dual low-noise op-amp in SOIC-8, similar supply range and pinout, suitable drop-in replacement for audio and signal-conditioning circuits.

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