INA321EA/250G4

Product Overview

The INA321EA/250G4 belongs to the category of precision instrumentation amplifiers. It is commonly used in applications requiring accurate signal amplification and conditioning. The device is known for its high precision, low offset voltage, and low noise characteristics. The package type for INA321EA/250G4 is SOIC (Small Outline Integrated Circuit), and it is available in a quantity of 250 pieces per reel.

Specifications

• Input Offset Voltage: ±150µV (maximum)
• Gain Bandwidth Product: 1MHz
• Supply Voltage Range: ±2.25V to ±18V
• Operating Temperature Range: -40°C to 125°C
• Common-Mode Rejection Ratio: 100dB (typical)

Detailed Pin Configuration

The INA321EA/250G4 features an 8-pin SOIC package with the following pin configuration: 1. OUT: Output 2. V+: Positive Power Supply 3. V-: Negative Power Supply 4. REF: Reference Voltage 5. IN-: Inverting Input 6. IN+: Non-Inverting Input 7. GND: Ground 8. NC: No Connection

Functional Features

• High Precision Signal Amplification
• Low Offset Voltage and Low Noise
• Wide Supply Voltage Range
• High Common-Mode Rejection Ratio

Advantages and Disadvantages

Advantages

• Excellent precision and accuracy
• Wide operating temperature range
• Versatile supply voltage range

Disadvantages

• Relatively limited gain bandwidth product compared to some alternatives
• Higher cost compared to standard operational amplifiers

Working Principles

The INA321EA/250G4 operates based on the principle of differential input amplification, where the difference between the non-inverting and inverting inputs is amplified with high precision and low noise. This makes it suitable for applications requiring accurate signal amplification and conditioning.

Detailed Application Field Plans

The INA321EA/250G4 is widely used in various precision measurement and sensor interface applications, including: - Strain Gauge Amplification - Thermocouple Amplification - Bridge Sensor Signal Conditioning - Medical Instrumentation - Industrial Process Control

Detailed and Complete Alternative Models

Some alternative models to INA321EA/250G4 include: - AD8221ARZ: Precision Instrumentation Amplifier with higher gain bandwidth product - LTC6910-1: Precision Instrumentation Amplifier with lower offset voltage - MCP6N11: Precision Instrumentation Amplifier with lower cost

In conclusion, the INA321EA/250G4 is a precision instrumentation amplifier known for its high precision, low offset voltage, and low noise characteristics. It is widely used in various applications requiring accurate signal amplification and conditioning, making it a valuable component in the field of precision measurement and sensor interface technologies.

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