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REF191GSZ-REEL from AD,Analog Devices

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REF191GSZ-REEL

Manufacturer: AD

Precision Micropower, Low Dropout Voltage References

Partnumber Manufacturer Quantity Availability
REF191GSZ-REEL,REF191GSZREEL AD 5000 In Stock

Description and Introduction

Precision Micropower, Low Dropout Voltage References **Introducing the REF191GSZ-REEL: Precision Voltage Reference for Demanding Applications**  

In today’s high-performance electronic systems, accuracy and stability are non-negotiable. The **REF191GSZ-REEL** from Analog Devices stands out as a precision voltage reference designed to meet the stringent demands of industrial, medical, and instrumentation applications.  

Engineered for excellence, the REF191GSZ-REEL delivers a fixed **2.048V output** with an impressive initial accuracy of **±0.04%**, ensuring reliable performance in critical circuits. Its low **5ppm/°C temperature drift** minimizes variations across operating conditions, making it ideal for environments where thermal stability is essential.  

With an ultra-low **noise performance of 4µVp-p** and a **50µA maximum supply current**, this voltage reference optimizes power efficiency without compromising precision. Its **wide operating voltage range of 2.7V to 5.5V** enhances versatility, allowing seamless integration into both battery-powered and line-powered designs.  

The REF191GSZ-REEL features a compact **SOT-23-3 package**, making it an excellent choice for space-constrained applications. Whether used in data acquisition systems, precision ADCs, or portable medical devices, this component ensures consistent and repeatable performance.  

For engineers seeking a robust, high-accuracy voltage reference, the **REF191GSZ-REEL** offers an optimal balance of precision, stability, and power efficiency—key attributes for next-generation electronic designs.

Application Scenarios & Design Considerations

Precision Micropower, Low Dropout Voltage References

Alternative Part Number

  • LM4132AMF-2.5/NOPB --: Precision 2.5V series voltage reference in SOT-23, similar accuracy and low dropout, pin-compatible function for many REF191 applications.
  • MAX6033AAUT25+T --: Low-noise 2.5V series reference with high initial accuracy, suitable drop-in functional replacement for REF191GSZ in precision signal chains.
  • ADR4525BRZ --: High-precision 2.5V reference from a different ADI series, offering excellent temperature stability and low noise as an alternative to the REF19x family.
Partnumber Manufacturer Quantity Availability
REF191GSZ-REEL,REF191GSZREEL ADI 2500 In Stock

Description and Introduction

Precision Micropower, Low Dropout Voltage References **Introducing the REF191GSZ-REEL: Precision Voltage Reference for Demanding Applications**  

In the realm of precision electronics, stable and accurate voltage references are critical for ensuring reliable performance in analog circuits. The **REF191GSZ-REEL** from Analog Devices stands out as a high-performance, low-power voltage reference designed to meet the stringent requirements of industrial, medical, and instrumentation applications.  

Engineered for precision, the REF191GSZ-REEL delivers an initial accuracy of **±0.1%** with an ultra-low temperature coefficient of **10ppm/°C**, ensuring minimal drift over varying environmental conditions. Its low dropout voltage of **200mV** enables efficient operation even with constrained supply voltages, while consuming just **45µA** of quiescent current—ideal for battery-powered and energy-sensitive systems.  

The device offers a fixed **2.048V** output, making it particularly suitable for high-resolution ADCs, DACs, and sensor interfaces where stable biasing is essential. With a noise performance of **15µVp-p (0.1Hz to 10Hz)**, it minimizes signal distortion in sensitive measurement circuits. Additionally, the REF191GSZ-REEL features a robust design with reverse-battery protection and short-circuit resilience, enhancing system reliability in harsh operating conditions.  

Housed in a compact **SOT-23-3** package, this voltage reference combines precision with space efficiency, making it an excellent choice for portable and space-constrained designs. Whether used in data acquisition systems, medical diagnostics, or precision instrumentation, the REF191GSZ-REEL ensures consistent performance with minimal power overhead.  

For engineers seeking a dependable voltage reference that balances accuracy, power efficiency, and durability, the REF191GSZ-REEL represents a compelling solution for next-generation electronic designs.

Application Scenarios & Design Considerations

Precision Micropower, Low Dropout Voltage References

Alternative Part Number

  • ADR4520ARZ --: Precision 2.048V voltage reference with low noise and low drift, functionally similar to the REF191 and suitable as a direct substitute in most reference circuits.
  • LM4040CIM3-2.0 --: 2.048V shunt voltage reference in a small package, widely available and commonly used as an alternative when a series reference is not strictly required.
  • MAX6029EUK20 --: Low-power 2.048V series voltage reference with good accuracy, offering comparable performance for battery-powered and precision applications.

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