Texas Instruments
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ADS1258IRTCTG4
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ADS1258IRTCTG4

Product Overview

Category

The ADS1258IRTCTG4 belongs to the category of analog-to-digital converters (ADCs).

Use

It is used for converting analog signals into digital data in various applications, including industrial automation, medical instrumentation, and precision sensor measurements.

Characteristics

  • High resolution and accuracy
  • Low power consumption
  • Integrated programmable gain amplifier (PGA)
  • Multiple input channels
  • SPI-compatible interface

Package

The ADS1258IRTCTG4 is available in a small form factor package suitable for surface-mount assembly.

Essence

The essence of this product lies in its ability to provide precise and reliable conversion of analog signals into digital format, enabling accurate measurement and control in diverse applications.

Packaging/Quantity

The ADS1258IRTCTG4 is typically supplied in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Resolution: Up to 24 bits
  • Input Channels: 8 differential or 16 single-ended
  • Data Rate: Up to 30 kSPS
  • Supply Voltage: 2.7V to 5.25V
  • Operating Temperature Range: -40°C to +105°C

Detailed Pin Configuration

The ADS1258IRTCTG4 features a 32-pin TQFP package with the following pin configuration: 1. AVDD: Analog power supply 2. DVDD: Digital power supply 3. AGND: Analog ground 4. DGND: Digital ground 5. REF0P: Positive reference voltage input 6. REF0N: Negative reference voltage input 7. AIN0P: Positive analog input channel 0 8. AIN0N: Negative analog input channel 0 9. AIN1P: Positive analog input channel 1 10. AIN1N: Negative analog input channel 1 11. AIN2P: Positive analog input channel 2 12. AIN2N: Negative analog input channel 2 13. AIN3P: Positive analog input channel 3 14. AIN3N: Negative analog input channel 3 15. AIN4P: Positive analog input channel 4 16. AIN4N: Negative analog input channel 4 17. AIN5P: Positive analog input channel 5 18. AIN5N: Negative analog input channel 5 19. AIN6P: Positive analog input channel 6 20. AIN6N: Negative analog input channel 6 21. AIN7P: Positive analog input channel 7 22. AIN7N: Negative analog input channel 7 23. DRDY/DOUT: Data ready output or serial data output 24. SCLK: Serial clock input 25. DIN: Serial data input 26. CS: Chip select input 27. RESET: Reset input 28. PDWN: Power-down input 29. DOUT/DRDY: Serial data output or data ready output 30. MISO: Master In Slave Out 31. MOSI: Master Out Slave In 32. SCLK: Serial Clock

Functional Features

  • Programmable data rate and filter options
  • Internal oscillator with external crystal support
  • Built-in fault detection and self-calibration
  • Flexible input multiplexer
  • Low-drift internal voltage reference

Advantages and Disadvantages

Advantages

  • High resolution for precise measurements
  • Low power consumption for energy-efficient operation
  • Versatile input channel configurations
  • Integrated PGA for signal conditioning

Disadvantages

  • Higher cost compared to lower-resolution ADCs
  • Requires careful PCB layout and analog signal routing for optimal performance

Working Principles

The ADS1258IRTCTG4 operates by sampling analog input signals, amplifying and filtering them as per user-defined settings, and converting the processed signals into digital data using a high-resolution ADC core. The digital data is then transmitted via the SPI interface for further processing or analysis.

Detailed Application Field Plans

The ADS1258IRTCTG4 is well-suited for various applications, including: - Industrial process control and monitoring - Medical diagnostic equipment - Precision weighing scales - Data acquisition systems - Environmental monitoring devices

Detailed and Complete Alternative Models

Some alternative models to the ADS1258IRTCTG4 include: - ADS1256: 24-bit ADC with similar features - ADS124S08: 24-bit delta-sigma ADC with integrated PGA - LTC2440: 24-bit ultra-high-precision ADC

In conclusion, the ADS1258IRTCTG4 offers high-performance analog-to-digital conversion capabilities with versatile features, making it an ideal choice for demanding measurement and control applications.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van ADS1258IRTCTG4 in technische oplossingen

  1. What is the ADS1258IRTCTG4?

    • The ADS1258IRTCTG4 is a 24-bit analog-to-digital converter (ADC) with eight input channels, designed for precision measurement applications.

  2. What is the input voltage range of the ADS1258IRTCTG4?

    • The ADS1258IRTCTG4 has a programmable input voltage range from ±2.5V to ±0.078V, allowing flexibility for various sensor and signal conditioning requirements.

  3. What is the maximum sampling rate of the ADS1258IRTCTG4?

    • The ADS1258IRTCTG4 can achieve a maximum data output rate of 30,000 samples per second (SPS) in high-speed mode, making it suitable for dynamic measurement applications.

  4. How does the ADS1258IRTCTG4 handle noise and interference?

    • The ADS1258IRTCTG4 features a low-drift PGA and digital filter, which helps minimize noise and interference for accurate and reliable measurements.

  5. Can the ADS1258IRTCTG4 be used in battery-powered applications?

    • Yes, the ADS1258IRTCTG4 offers low power consumption and supports a wide supply voltage range, making it suitable for battery-powered and portable applications.

  6. What communication interfaces does the ADS1258IRTCTG4 support?

    • The ADS1258IRTCTG4 supports SPI and I2C interfaces, providing flexibility for integration into various microcontroller-based systems.

  7. Is the ADS1258IRTCTG4 suitable for temperature measurement applications?

    • Yes, the ADS1258IRTCTG4 includes a built-in temperature sensor and excitation current sources, making it well-suited for precision temperature measurement applications.

  8. What are the key features that differentiate the ADS1258IRTCTG4 from other ADCs?

    • The ADS1258IRTCTG4 stands out with its high resolution, low noise, multiple input channels, and integrated features for precision measurement applications.

  9. Does the ADS1258IRTCTG4 include self-calibration capabilities?

    • Yes, the ADS1258IRTCTG4 features a self-calibration function to maintain accuracy over time and environmental changes.

  10. What are some typical applications for the ADS1258IRTCTG4?

    • Typical applications for the ADS1258IRTCTG4 include industrial process control, medical instrumentation, precision weighing scales, and data acquisition systems requiring high-precision measurements.