INA338AIDGST

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Amplifier
• Characteristics: High precision, low offset voltage, low noise
• Package: 8-pin VSSOP
• Essence: Instrumentation amplifier
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: ±2.25V to ±18V
• Input Offset Voltage: 50µV (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Input Bias Current: 10nA (maximum)
• Common Mode Rejection Ratio: 100dB (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

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

Functional Features

• High common mode rejection ratio for accurate measurements in noisy environments
• Low input offset voltage for precise amplification
• Wide supply voltage range allows flexibility in various applications
• Rail-to-rail output swing for maximum dynamic range
• Low quiescent current for power efficiency

Advantages

• High precision amplification for accurate signal processing
• Low noise performance for improved signal integrity
• Wide operating temperature range for versatility in different environments
• Small package size for space-constrained designs
• Easy integration into existing circuits due to standard pin configuration

Disadvantages

• Limited gain bandwidth product compared to some alternative models
• Higher cost compared to basic operational amplifiers
• Not suitable for high-frequency applications

Working Principles

The INA338AIDGST is an instrumentation amplifier that amplifies 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 input offset voltage, while the output stage delivers a high gain. The amplifier operates by amplifying the voltage difference between the IN+ and IN- pins, while rejecting any common-mode voltage present at both inputs.

Detailed Application Field Plans

1. Medical Devices: Used in patient monitoring systems to amplify bioelectric signals with high accuracy.
2. Industrial Automation: Employed in sensor signal conditioning circuits for precise measurement of physical quantities.
3. Test and Measurement Equipment: Integrated into data acquisition systems to amplify weak signals for accurate analysis.
4. Automotive Electronics: Utilized in automotive sensors and control systems for reliable signal amplification.
5. Communication Systems: Incorporated in audio amplifiers and telecommunication devices for enhanced signal processing.

Detailed and Complete Alternative Models

1. AD8221ARZ: Instrumentation amplifier with similar specifications and pin configuration.
2. MCP6N11-010E/SN: Low-power instrumentation amplifier with rail-to-rail output swing.
3. LT1167CN8: Precision instrumentation amplifier with high common mode rejection ratio.

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