Texas Instruments
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ADS1258IRTCT
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ADS1258IRTCT

Product Overview

Category: Integrated Circuits (ICs)

Use: The ADS1258IRTCT is a high-resolution, low-power analog-to-digital converter (ADC) designed for precision measurement applications. It offers 24-bit resolution and operates at a low power supply voltage, making it suitable for battery-powered devices.

Characteristics: - High resolution: 24-bit ADC - Low power consumption - Wide operating voltage range - Differential input channels - Programmable gain amplifier - Internal reference voltage

Package: The ADS1258IRTCT is available in a small outline integrated circuit (SOIC) package.

Essence: The essence of the ADS1258IRTCT lies in its ability to accurately convert analog signals into digital data with high resolution and low power consumption.

Packaging/Quantity: The ADS1258IRTCT is typically sold in reels or tubes, with a quantity of 2500 units per reel.

Specifications

  • Resolution: 24 bits
  • Input Voltage Range: ±Vref
  • Power Supply Voltage: 2.7V to 5.25V
  • Operating Temperature Range: -40°C to +85°C
  • Sampling Rate: Up to 30 kSPS (samples per second)
  • Interface: SPI (Serial Peripheral Interface)

Pin Configuration

The ADS1258IRTCT has a total of 32 pins. Here is the detailed pin configuration:

  1. AVDD: Analog power supply
  2. DVDD: Digital power supply
  3. AGND: Analog ground
  4. DGND: Digital ground
  5. REFOUT: Reference voltage output
  6. REFIN: Reference voltage input
  7. AIN0P: Positive differential analog input channel 0
  8. AIN0N: Negative differential analog input channel 0
  9. AIN1P: Positive differential analog input channel 1
  10. AIN1N: Negative differential analog input channel 1
  11. AIN2P: Positive differential analog input channel 2
  12. AIN2N: Negative differential analog input channel 2
  13. AIN3P: Positive differential analog input channel 3
  14. AIN3N: Negative differential analog input channel 3
  15. AIN4P: Positive differential analog input channel 4
  16. AIN4N: Negative differential analog input channel 4
  17. AIN5P: Positive differential analog input channel 5
  18. AIN5N: Negative differential analog input channel 5
  19. AIN6P: Positive differential analog input channel 6
  20. AIN6N: Negative differential analog input channel 6
  21. AIN7P: Positive differential analog input channel 7
  22. AIN7N: Negative differential analog input channel 7
  23. SCLK: Serial clock input
  24. DIN: Data input
  25. DOUT: Data output
  26. CS: Chip select input
  27. DRDY: Data ready output
  28. RESET: Reset input
  29. PDWN: Power-down input
  30. TEST: Test mode input
  31. NC: No connection
  32. AGND: Analog ground

Functional Features

  • High-resolution ADC for precise measurements
  • Low power consumption for battery-powered devices
  • Wide operating voltage range for flexibility in different applications
  • Differential input channels for accurate signal acquisition
  • Programmable gain amplifier for signal conditioning
  • Internal reference voltage for improved accuracy

Advantages and Disadvantages

Advantages: - High resolution provides accurate measurement results - Low power consumption extends battery life - Wide operating voltage range allows for versatile applications - Differential input channels enable precise signal acquisition - Programmable gain amplifier enhances signal conditioning - Internal reference voltage improves measurement accuracy

Disadvantages: - Limited sampling rate compared to some other ADCs - Requires external components for proper operation and signal conditioning

Working Principles

The ADS1258IRTCT works by converting analog signals into digital data using a successive approximation register (SAR) architecture. It employs a delta-sigma modulator to oversample the analog input, which helps achieve high resolution. The converted digital data is then processed and output through the serial interface.

Detailed Application Field Plans

The ADS1258IRTCT is well-suited for various precision measurement applications, including but not limited to: - Industrial process control - Medical instrumentation - Data acquisition systems - Weighing scales - Temperature sensing devices - Strain gauges - Pressure sensors

Alternative Models

Here are some alternative models that offer similar functionality to the ADS1258IRTCT: - ADS1248IRTCT - ADS1262IRTCT - ADS1278IRTCT - ADS1282IRTCT

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням ADS1258IRTCT у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of ADS1258IRTCT in technical solutions:

  1. Q: What is ADS1258IRTCT? A: ADS1258IRTCT is a high-resolution, low-power analog-to-digital converter (ADC) designed for precision measurement applications.

  2. Q: What is the resolution of ADS1258IRTCT? A: ADS1258IRTCT has a resolution of up to 24 bits, allowing for highly accurate measurements.

  3. Q: What is the input voltage range of ADS1258IRTCT? A: The input voltage range of ADS1258IRTCT is typically ±2.5V, but it can be adjusted using external references.

  4. Q: Can ADS1258IRTCT handle differential inputs? A: Yes, ADS1258IRTCT supports both single-ended and differential inputs, providing flexibility in measuring various signals.

  5. Q: What is the maximum sampling rate of ADS1258IRTCT? A: ADS1258IRTCT can achieve a maximum sampling rate of up to 30,000 samples per second (SPS).

  6. Q: Does ADS1258IRTCT have built-in programmable gain amplifiers (PGAs)? A: Yes, ADS1258IRTCT features eight PGAs with selectable gains, allowing for signal amplification and improved dynamic range.

  7. Q: Can ADS1258IRTCT operate in low-power modes? A: Yes, ADS1258IRTCT offers multiple power-down modes to conserve energy when not actively sampling.

  8. Q: Is ADS1258IRTCT suitable for battery-powered applications? A: Absolutely, ADS1258IRTCT's low-power consumption makes it well-suited for battery-powered devices or applications.

  9. Q: Does ADS1258IRTCT have built-in digital filters? A: Yes, ADS1258IRTCT provides programmable digital filters to reduce noise and improve the quality of acquired data.

  10. Q: What interfaces does ADS1258IRTCT support for communication with microcontrollers? A: ADS1258IRTCT supports SPI (Serial Peripheral Interface) and I2C (Inter-Integrated Circuit) interfaces for easy integration with microcontrollers.

Please note that these answers are general and may vary depending on the specific implementation and configuration of ADS1258IRTCT in a technical solution.