INA132U/2K5

Product Overview

• Category: Integrated Circuit (IC)
• Use: Instrumentation Amplifier
• Characteristics: High precision, low noise, high common-mode rejection ratio
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The INA132U/2K5 is a precision instrumentation amplifier designed for accurate signal amplification in various applications.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage: ±2.25V to ±18V
• Input Offset Voltage: ±150μV (maximum)
• Input Bias Current: ±10nA (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Input Common-Mode Voltage Range: -Vs + 1.8V to +Vs - 1.8V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The INA132U/2K5 has a total of 8 pins:

1. V+
2. V-
3. REF
4. RG
5. OUT
6. NC (No Connection)
7. IN-
8. IN+

Functional Features

• High accuracy amplification of differential signals
• Excellent rejection of common-mode noise
• Low input offset voltage and bias current
• Wide operating voltage range
• Internal gain setting resistor (RG) for easy configuration

Advantages

• Precise amplification of small differential signals
• Effective suppression of common-mode interference
• Versatile operating voltage range allows flexibility in different applications
• Simplified circuit design with internal gain setting resistor

Disadvantages

• Limited gain bandwidth product compared to some other instrumentation amplifiers
• Higher cost compared to basic operational amplifiers

Working Principles

The INA132U/2K5 utilizes a combination of operational amplifiers and precision resistors to amplify differential signals accurately. It employs a three-op-amp architecture with high input impedance, low offset voltage, and low bias current. The internal gain setting resistor allows for easy configuration of the desired amplification level.

Application Field Plans

The INA132U/2K5 is widely used in various applications that require precise signal amplification, such as:

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

Alternative Models

For users seeking alternative options, the following models provide similar functionality:

1. AD620 - Instrumentation Amplifier by Analog Devices
2. MCP6N11 - Precision Instrumentation Amplifier by Microchip Technology
3. LT1167 - Precision Instrumentation Amplifier by Linear Technology

These alternatives offer comparable performance and can be considered based on specific application requirements.

In conclusion, the INA132U/2K5 is a precision instrumentation amplifier that provides accurate signal amplification in various applications. Its high precision, low noise, and wide operating voltage range make it suitable for demanding measurement and control systems. However, users should consider alternative models depending on their specific needs and budget constraints.