INA122UG4

Product Overview

Category: Integrated Circuit (IC)

Use: The INA122UG4 is a precision instrumentation amplifier designed for accurate signal amplification in various applications.

Characteristics: - High accuracy - Low noise - Wide input voltage range - Low power consumption

Package: The INA122UG4 comes in a small outline package (SOIC) with 8 pins.

Essence: The essence of the INA122UG4 lies in its ability to provide precise amplification of signals while maintaining low noise levels.

Packaging/Quantity: The INA122UG4 is typically sold in reels containing a quantity of 250 units.

Specifications

The specifications of the INA122UG4 include:

• Supply Voltage Range: ±2.25V to ±18V
• Input Offset Voltage: ±150µV (maximum)
• Input Bias Current: ±50nA (maximum)
• Gain Bandwidth Product: 700kHz (typical)
• Common Mode Rejection Ratio: 120dB (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The detailed pin configuration of the INA122UG4 is as follows:

1. V+
2. V-
3. RG
4. REF
5. OUT
6. NC
7. IN-
8. IN+

Functional Features

The INA122UG4 offers the following functional features:

• High gain accuracy
• Low input offset voltage
• Low input bias current
• High common mode rejection ratio
• Rail-to-rail output swing
• Internal EMI filtering

Advantages and Disadvantages

Advantages: - High accuracy amplification - Low noise performance - Wide input voltage range - Low power consumption - Excellent common mode rejection ratio

Disadvantages: - Limited output current capability - Requires external components for proper operation

Working Principles

The INA122UG4 operates based on the principle of differential amplification. It amplifies the difference between the voltages applied to its input pins, while rejecting common mode signals. This allows for accurate amplification of small signals in the presence of noise.

Detailed Application Field Plans

The INA122UG4 finds applications in various fields, including:

1. Biomedical instrumentation
2. Industrial process control
3. Strain gauge amplification
4. Temperature measurement
5. Data acquisition systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the INA122UG4 include:

1. AD620
2. MCP6N11
3. LT1167
4. MAX4209

These alternatives can be considered based on specific application requirements and desired performance characteristics.

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