INA126UA/2K5

Product Overview

• Category: Integrated Circuit (IC)
• Use: Instrumentation Amplifier
• Characteristics: High precision, low noise, low power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The INA126UA/2K5 is a high-performance instrumentation amplifier designed for precise signal amplification in various applications.
• Packaging/Quantity: Comes in a standard reel of 2500 units.

Specifications

• Supply Voltage: ±2.25V to ±18V
• Input Offset Voltage: 50µV (maximum)
• Input Bias Current: 0.1nA (maximum)
• Gain Bandwidth Product: 200kHz (typical)
• Input Common-Mode Range: ±12V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The INA126UA/2K5 has the following pin configuration:

```

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

Functional Features

• High common-mode rejection ratio (CMRR) of 120dB
• Low input offset voltage and bias current for accurate amplification
• Wide supply voltage range allows flexibility in different applications
• Excellent linearity and low distortion for precise signal reproduction
• Built-in protection against electrostatic discharge (ESD)

Advantages and Disadvantages

Advantages: - High precision amplification - Low noise performance - Wide operating temperature range - Compact and easy-to-use package

Disadvantages: - Relatively higher cost compared to some alternative models - Limited availability in certain regions

Working Principles

The INA126UA/2K5 is based on the principle of an instrumentation amplifier, which amplifies small differential signals while rejecting common-mode noise. It consists of precision op-amps and precision resistors that provide high gain and accurate signal amplification. The input stage provides a high input impedance, allowing it to interface with various sensors and transducers.

Detailed Application Field Plans

The INA126UA/2K5 finds applications in various fields, including:

1. Biomedical instrumentation: ECG (Electrocardiogram), EEG (Electroencephalogram), EMG (Electromyography)
2. Industrial process control: Pressure and temperature measurement
3. Strain gauge amplification: Load cells, force sensors
4. Data acquisition systems: Bridge amplification, sensor signal conditioning

Detailed and Complete Alternative Models

1. AD620: Low-cost instrumentation amplifier with similar specifications
2. INA128: Higher precision instrumentation amplifier with lower noise performance
3. AD8221: Instrumentation amplifier with rail-to-rail input/output capability

These alternative models offer different trade-offs in terms of cost, performance, and features, providing options for specific application requirements.

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