INA2126PG4

Product Overview

Category: Integrated Circuit (IC)

Use: The INA2126PG4 is a precision instrumentation amplifier designed for accurate signal amplification in various applications.

Characteristics: - High accuracy and precision - Low noise and distortion - Wide input voltage range - High common-mode rejection ratio (CMRR) - Low power consumption

Package: The INA2126PG4 comes in a standard 8-pin PDIP (Plastic Dual In-line Package) or SOIC (Small Outline Integrated Circuit) package.

Essence: The essence of the INA2126PG4 lies in its ability to provide precise and reliable amplification of signals in a wide range of applications.

Packaging/Quantity: The INA2126PG4 is typically available in reels or tubes, with a quantity of 250 or 1000 units per reel/tube.

Specifications

• Supply Voltage Range: ±2.25V to ±18V
• Input Offset Voltage: ±150µV (maximum)
• Input Bias Current: ±50nA (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Common-Mode Rejection Ratio (CMRR): 120dB (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The INA2126PG4 has the following pin configuration:

```

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| | --| V+ OUT |-- --| IN- REF |-- --| IN+ GND |-- --| RG V- |-- |___________| ```

Pin descriptions: - V+: Positive supply voltage - OUT: Amplified output signal - IN-: Negative input terminal - REF: Reference voltage input - IN+: Positive input terminal - GND: Ground - RG: Gain setting resistor - V-: Negative supply voltage

Functional Features

1. High Accuracy: The INA2126PG4 offers exceptional accuracy, ensuring precise amplification of input signals.
2. Low Noise and Distortion: With low noise and distortion characteristics, the INA2126PG4 maintains signal integrity during amplification.
3. Wide Input Voltage Range: The IC can handle a wide range of input voltages, making it suitable for various applications.
4. High CMRR: The high common-mode rejection ratio allows the amplifier to reject common-mode noise and interference effectively.
5. Low Power Consumption: The INA2126PG4 operates with low power consumption, making it energy-efficient.

Advantages and Disadvantages

Advantages: - High accuracy and precision - Low noise and distortion - Wide input voltage range - High CMRR - Low power consumption

Disadvantages: - Limited availability in alternative packages - Relatively higher cost compared to some other instrumentation amplifiers

Working Principles

The INA2126PG4 is based on the principle of an instrumentation amplifier. It amplifies the difference between the input voltages (IN+ and IN-) while rejecting common-mode signals. The gain of the amplifier can be set using an external resistor (RG). The amplified output signal is then available at the OUT pin.

Application Field Plans

The INA2126PG4 finds applications in various fields, including: 1. Industrial Automation: Signal amplification in control systems and data acquisition. 2. Medical Instrumentation: Precise amplification of biomedical signals for monitoring and diagnosis. 3. Test and Measurement Equipment: Accurate signal amplification in testing and measurement devices. 4. Audio Systems: Amplification of audio signals in professional audio equipment. 5. Automotive Electronics: Signal conditioning and amplification in automotive sensors and control systems.

Alternative Models

1. INA213AIDCKR: Similar functionality with a smaller package (SC70-6).
2. INA214AIDCKR: Higher precision and lower noise characteristics.
3. INA215AIDGSR: Higher gain bandwidth product for wider frequency range applications.

These alternative models provide similar or enhanced features compared to the INA2126PG4, catering to specific application requirements.

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