SN75LVDT390PWG4

Product Overview

Category

SN75LVDT390PWG4 belongs to the category of LVDT (Linear Variable Differential Transformer) signal conditioners.

Use

It is used for amplifying, conditioning, and demodulating signals from LVDT sensors.

Characteristics

• Amplifies and conditions weak LVDT sensor signals
• Provides a demodulated output proportional to the displacement of the LVDT core
• Operates with a wide supply voltage range
• Offers high accuracy and linearity in signal conditioning

Package

SN75LVDT390PWG4 comes in a small-sized package, which is suitable for surface mount applications.

Essence

The essence of SN75LVDT390PWG4 lies in its ability to accurately amplify and condition LVDT sensor signals, providing a reliable output that represents the displacement of the LVDT core.

Packaging/Quantity

SN75LVDT390PWG4 is typically packaged in reels or tubes, containing a specific quantity of units per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 3V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Input Offset Voltage: ±1mV
• Gain Error: ±0.1%
• Output Voltage Swing: ±10V
• Quiescent Current: 2.5mA

Detailed Pin Configuration

1. VCC: Power supply input
2. GND: Ground reference
3. IN+: Positive input terminal for LVDT sensor signal
4. IN-: Negative input terminal for LVDT sensor signal
5. OUT: Demodulated output representing LVDT core displacement

Functional Features

• Amplification: SN75LVDT390PWG4 amplifies weak LVDT sensor signals to a usable level.
• Conditioning: It conditions the amplified signals to remove noise and interference.
• Demodulation: The device demodulates the conditioned signals to provide an output proportional to the displacement of the LVDT core.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows for flexibility in various applications.
• High accuracy and linearity ensure precise signal conditioning.
• Small package size enables easy integration into space-constrained designs.

Disadvantages

• Limited output voltage swing may restrict compatibility with certain systems.
• Requires external components for complete LVDT signal conditioning.

Working Principles

SN75LVDT390PWG4 operates by amplifying the weak AC signals generated by the LVDT sensor. It then conditions these signals to remove noise and interference, ensuring accurate measurement. The device further demodulates the conditioned signals to obtain a DC output voltage that represents the displacement of the LVDT core.

Detailed Application Field Plans

SN75LVDT390PWG4 finds application in various fields where LVDT sensors are used, including: 1. Industrial automation: Monitoring and control of linear position in manufacturing processes. 2. Robotics: Precise positioning and feedback control in robotic systems. 3. Aerospace: Measurement of displacement in aircraft control surfaces and landing gear systems. 4. Automotive: Position sensing in throttle valves, suspension systems, and gear shifting mechanisms. 5. Medical equipment: Monitoring patient movement and position in medical devices.

Detailed and Complete Alternative Models

1. AD698APZ: Analog Devices LVDT Signal Conditioner
2. MAX9940XK+: Maxim Integrated LVDT Signal Conditioner
3. LTC1043CN8: Linear Technology LVDT Signal Conditioner
4. INA333AIDGKT: Texas Instruments LVDT Signal Conditioner
5. MCP6V01T-E/OT: Microchip Technology LVDT Signal Conditioner