OPA4191IDR

Product Overview

The OPA4191IDR is a high-precision, low-noise operational amplifier designed for a wide range of applications. This device belongs to the category of integrated circuits and is commonly used in precision instrumentation, data acquisition systems, and sensor signal conditioning. The OPA4191IDR is known for its exceptional characteristics, including low offset voltage, low noise, and high common-mode rejection ratio. It is available in a small outline package, making it suitable for space-constrained designs.

Basic Information

• Category: Integrated Circuits
• Use: Precision instrumentation, data acquisition systems, sensor signal conditioning
• Characteristics: Low offset voltage, low noise, high common-mode rejection ratio
• Package: Small Outline Package (SOIC)
• Essence: High precision and low noise
• Packaging/Quantity: Available in reels with varying quantities

Specifications

• Supply Voltage: ±2.25 V to ±18 V
• Input Offset Voltage: 25 µV (max)
• Input Noise Voltage: 7 nV/√Hz (typ)
• Gain Bandwidth Product: 20 MHz (typ)
• Slew Rate: 10 V/µs (typ)
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The OPA4191IDR features a standard pin configuration with eight pins, including non-inverting input, inverting input, output, and power supply pins.

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| | | --| Non-inv. | Inverting |-- | In | In | --|___________|___________|-- | | | --| Output | V- |-- | | | --|___________|___________|-- | | | --| V+ | NC |-- | | | |___________|___________| ```

Functional Features

The OPA4191IDR offers the following functional features: - Low offset voltage for precision measurements - Low noise for accurate signal processing - High common-mode rejection ratio for improved signal integrity - Wide supply voltage range for versatile applications

Advantages and Disadvantages

Advantages

• High precision and accuracy
• Low noise performance
• Versatile supply voltage range
• Small outline package for space-constrained designs

Disadvantages

• Higher cost compared to standard operational amplifiers
• Sensitive to improper handling and ESD

Working Principles

The OPA4191IDR operates based on the principles of differential amplification and feedback control. It amplifies the voltage difference between its input terminals while maintaining precise control over gain and linearity. By minimizing offset voltage and noise, it ensures accurate signal processing in various applications.

Detailed Application Field Plans

The OPA4191IDR finds extensive use in the following application fields: - Precision measurement equipment - Data acquisition systems - Sensor signal conditioning - Test and measurement instruments - Medical instrumentation

Detailed and Complete Alternative Models

Some alternative models to the OPA4191IDR include: - OPA4188IDR: Similar performance with lower cost - OPA320AIDBVT: Lower power consumption with moderate precision - OPA2277AIDR: Higher precision with slightly higher noise

In conclusion, the OPA4191IDR is a high-precision operational amplifier with low noise and exceptional performance characteristics, making it well-suited for precision instrumentation and data acquisition applications.

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