INA155EA/250G4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Amplifier
• Characteristics: High precision, low noise, wide bandwidth
• Package: SOIC-8
• Essence: Instrumentation amplifier
• Packaging/Quantity: Tape and Reel, 250 pieces per reel

Specifications

• Supply Voltage: ±2.25V to ±18V
• Input Offset Voltage: ±150µV (maximum)
• Input Bias Current: ±0.5nA (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Input Common Mode Range: ±12V
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA155EA/250G4 has a total of 8 pins in the SOIC-8 package:

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

Functional Features

• High common-mode rejection ratio (CMRR)
• Low input offset voltage and bias current
• Wide operating temperature range
• Rail-to-rail output swing capability
• Low distortion and noise

Advantages and Disadvantages

Advantages

• High precision amplification
• Wide bandwidth for accurate signal reproduction
• Excellent noise performance
• Versatile operating voltage range
• Suitable for various applications

Disadvantages

• Relatively high cost compared to basic operational amplifiers
• Requires external components for proper operation

Working Principles

The INA155EA/250G4 is an instrumentation amplifier designed to amplify small differential signals while rejecting common-mode noise. It consists of three operational amplifiers configured in a differential amplifier topology. The input stage provides high input impedance and low offset voltage, while the output stage delivers a high gain and low distortion signal.

Detailed Application Field Plans

The INA155EA/250G4 is commonly used in applications that require precise amplification of small differential signals. Some typical application fields include:

1. Medical instrumentation
2. Industrial process control
3. Data acquisition systems
4. Strain gauge amplification
5. Bridge amplification

Detailed and Complete Alternative Models

• AD620
• INA114
• AD8221
• AD8421
• LT1167
• AD623

These alternative models offer similar functionality and can be considered as substitutes for the INA155EA/250G4 in various applications.

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