Texas Instruments
Kuva saattaa olla esitys.
Katso tuotteen tekniset tiedot.
AMC1304L25DW
Näytä Yksityiskohdat DataSheets

AMC1304L25DW

Product Overview

Category

The AMC1304L25DW belongs to the category of integrated isolated amplifiers.

Use

It is primarily used for current sensing and monitoring applications in various industries.

Characteristics

  • Integrated isolation amplifier with high accuracy
  • Provides galvanic isolation between input and output
  • Supports wide bandwidth for accurate signal transmission
  • Offers low offset, gain error, and nonlinearity
  • Operates over a wide temperature range
  • Provides reinforced insulation for enhanced safety

Package

The AMC1304L25DW comes in a small-sized dual in-line package (DIP) for easy integration into circuit boards.

Essence

The essence of the AMC1304L25DW lies in its ability to accurately measure and transmit current signals while providing galvanic isolation.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of units. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

  • Supply voltage: 3.0 V to 5.5 V
  • Input current range: ±250 mA
  • Isolation voltage: 2.5 kVrms
  • Bandwidth: 80 kHz
  • Gain error: ±0.1%
  • Offset voltage: ±50 µV
  • Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The AMC1304L25DW has a total of 16 pins, which are configured as follows:

  1. VDDA: Positive power supply for analog circuitry
  2. VSSA: Ground for analog circuitry
  3. INP: Positive input terminal for current sensing
  4. INN: Negative input terminal for current sensing
  5. VREF: Reference voltage for internal circuitry
  6. VDD: Positive power supply for digital circuitry
  7. VSS: Ground for digital circuitry
  8. NC: No connection
  9. NC: No connection
  10. NC: No connection
  11. NC: No connection
  12. NC: No connection
  13. NC: No connection
  14. DO: Digital output
  15. CLK: Clock input for digital communication
  16. CS: Chip select input for digital communication

Functional Features

  • High accuracy current sensing and monitoring
  • Galvanic isolation for enhanced safety
  • Wide bandwidth for accurate signal transmission
  • Low offset, gain error, and nonlinearity for precise measurements
  • Compact size for easy integration into circuit boards

Advantages and Disadvantages

Advantages

  • Accurate current measurement
  • Enhanced safety through galvanic isolation
  • Wide operating temperature range
  • Small package size for easy integration

Disadvantages

  • Limited input current range
  • Requires external power supply

Working Principles

The AMC1304L25DW utilizes a combination of analog and digital circuitry to accurately measure the input current while providing galvanic isolation. The input current is converted into a voltage signal, which is then amplified and transmitted to the output side. The galvanic isolation ensures that there is no direct electrical connection between the input and output, thereby enhancing safety.

Detailed Application Field Plans

The AMC1304L25DW finds applications in various fields, including but not limited to:

  1. Industrial automation: Current monitoring in motor control systems, power converters, and inverters.
  2. Renewable energy: Current sensing in solar power systems, wind turbines, and battery management systems.
  3. Automotive: Current monitoring in electric vehicles, hybrid vehicles, and charging stations.
  4. Power distribution: Current measurement in smart grid systems, power meters, and energy management systems.
  5. Medical equipment: Current sensing in patient monitoring devices, electrocardiograms, and medical imaging systems.

Detailed and Complete Alternative Models

  1. AMC1304L05DW: Similar to AMC1304L25DW but with a lower input current range.
  2. AMC1304M25DW: Similar to AMC1304L25DW but with a different package type (surface mount).
  3. AMC1304M05DW: Similar to AMC1304L05DW but with a different package type (surface mount).
  4. AMC1304L25DWB: Similar to AMC1304L25DW but with extended temperature range.

These alternative models offer similar functionality and can be considered as substitutes for the AMC1304L25DW in specific applications.

Word count: 590 words

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät AMC1304L25DW :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of AMC1304L25DW in technical solutions:

  1. Q: What is the AMC1304L25DW? A: The AMC1304L25DW is a precision, isolated delta-sigma modulator with an integrated digital filter. It is commonly used for current sensing and voltage measurement applications.

  2. Q: What is the operating voltage range of the AMC1304L25DW? A: The AMC1304L25DW operates from a single 3.3V or 5V power supply.

  3. Q: How does the AMC1304L25DW provide isolation? A: The AMC1304L25DW provides galvanic isolation through its integrated capacitive isolation barrier, which helps protect sensitive circuitry from high voltages.

  4. Q: Can the AMC1304L25DW measure both AC and DC currents? A: Yes, the AMC1304L25DW can accurately measure both AC and DC currents.

  5. Q: What is the typical accuracy of the AMC1304L25DW? A: The AMC1304L25DW has a typical nonlinearity error of ±0.1% and a typical offset error of ±20 µV.

  6. Q: Is the AMC1304L25DW suitable for high-frequency applications? A: Yes, the AMC1304L25DW has a wide bandwidth of up to 100 kHz, making it suitable for high-frequency applications.

  7. Q: Can I use multiple AMC1304L25DW devices in parallel for higher channel count? A: Yes, you can easily use multiple AMC1304L25DW devices in parallel to increase the number of channels in your system.

  8. Q: Does the AMC1304L25DW support digital communication interfaces? A: Yes, the AMC1304L25DW supports a standard serial peripheral interface (SPI) for easy integration with microcontrollers or other digital devices.

  9. Q: What is the temperature range of the AMC1304L25DW? A: The AMC1304L25DW operates over a temperature range of -40°C to +125°C.

  10. Q: Are evaluation modules available for the AMC1304L25DW? A: Yes, Texas Instruments provides evaluation modules that allow you to quickly test and evaluate the performance of the AMC1304L25DW in your specific application.

Please note that these answers are general and may vary depending on the specific requirements and conditions of your technical solution.