INA326EA/2K5G4

Product Overview

• Category: Integrated Circuit
• Use: Amplifier
• Characteristics: High precision, low noise, low power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Instrumentation amplifier
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: ±2.25V to ±18V
• Input Offset Voltage: ±150µV (maximum)
• Input Bias Current: ±50nA (maximum)
• Gain Bandwidth Product: 200kHz (typical)
• Common Mode Rejection Ratio: 100dB (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The INA326EA/2K5G4 has a total of 8 pins:

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

Functional Features

• High common mode rejection ratio for accurate measurements in noisy environments.
• Low input offset voltage and bias current for precise amplification.
• Wide supply voltage range allows flexibility in various applications.
• Rail-to-rail output swing enables full utilization of the supply voltage range.

Advantages and Disadvantages

Advantages

• High precision amplification for accurate signal processing.
• Low noise performance ensures clean signal amplification.
• Low power consumption for energy-efficient operation.
• Wide operating temperature range for versatile usage.

Disadvantages

• Limited gain bandwidth product compared to some alternative models.
• Requires external resistors for setting the gain.

Working Principles

The INA326EA/2K5G4 is an instrumentation amplifier that amplifies small differential signals while rejecting common-mode noise. It consists of three operational amplifiers and precision resistors that provide high gain, high input impedance, and low output impedance. The amplifier's internal architecture allows for precise amplification of small signals in the presence of large common-mode voltages.

Detailed Application Field Plans

The INA326EA/2K5G4 finds applications in various fields, including:

1. Medical equipment: Used in ECG (Electrocardiogram) machines for accurate signal amplification.
2. Industrial automation: Provides precise amplification in control systems and data acquisition.
3. Test and measurement: Used in instrumentation devices for accurate signal processing.
4. Automotive electronics: Enables accurate measurement and control in automotive systems.
5. Communication systems: Used for signal conditioning and amplification in telecommunication equipment.

Detailed and Complete Alternative Models

1. INA333: Offers lower power consumption and smaller package size.
2. AD8221: Provides higher gain bandwidth product and lower input offset voltage.
3. MCP6N11: Offers lower input bias current and rail-to-rail input/output swing.

(Note: This is not an exhaustive list; there are several alternative models available in the market.)

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