INA126PA

Product Overview

Category: Integrated Circuit (IC)

Use: The INA126PA is a precision instrumentation amplifier designed for accurate signal amplification in various applications.

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

Package: DIP-8 (Dual In-Line Package with 8 pins)

Essence: The INA126PA is an essential component in electronic circuits that require precise amplification of small signals while rejecting common-mode noise.

Packaging/Quantity: The INA126PA is typically sold in packs of 10 units.

Specifications

• Supply Voltage Range: ±2.25V to ±18V
• Input Voltage Range: ±Vs - 0.1V
• Common-Mode Rejection Ratio (CMRR): 120dB
• Gain Bandwidth Product: 1MHz
• Input Offset Voltage: 50µV
• Input Bias Current: 0.5nA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The INA126PA has the following pin configuration:

```

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

1. IN+: Non-inverting input
2. IN-: Inverting input
3. REF: Reference pin
4. RG: Gain resistor connection
5. VS+: Positive power supply
6. VS-: Negative power supply
7. GND: Ground
8. OUT: Amplified output

Functional Features

• High gain accuracy and stability
• Excellent linearity
• Low distortion
• Adjustable gain through external resistor (RG)
• Built-in protection against overvoltage and reverse polarity

Advantages and Disadvantages

Advantages: - High precision amplification - Low noise performance - Wide input voltage range - Versatile and adaptable to various applications - Robust protection features

Disadvantages: - Relatively higher cost compared to basic operational amplifiers - Requires external components for proper operation

Working Principles

The INA126PA operates based on the principle of differential amplification. It amplifies the difference between the voltages at its non-inverting (IN+) and inverting (IN-) inputs while rejecting common-mode signals. This allows for accurate amplification of small signals with minimal distortion and noise.

Detailed Application Field Plans

The INA126PA finds application in various fields, including but not limited to: 1. Biomedical instrumentation 2. Strain gauge amplification 3. Industrial process control 4. Data acquisition systems 5. Temperature measurement 6. Bridge amplification circuits

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the INA126PA are: 1. AD620 2. AD8221 3. LT1167 4. MCP6N11 5. MAX4209

These alternatives can be considered based on specific requirements and design constraints.

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