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ADS1286UA/2K5

ADS1286UA/2K5

Product Overview

  • Category: Analog-to-Digital Converter (ADC)
  • Use: The ADS1286UA/2K5 is a high-performance, 12-bit ADC designed for precision measurement applications.
  • Characteristics: This ADC offers excellent linearity and low noise performance, making it suitable for demanding measurement systems. It operates at a high sampling rate and provides accurate conversion of analog signals into digital data.
  • Package: The ADS1286UA/2K5 comes in a small outline package (SOIC) with 28 pins.
  • Essence: The essence of this product lies in its ability to convert analog signals into digital data with high accuracy and reliability.
  • Packaging/Quantity: The ADS1286UA/2K5 is typically sold in reels or tubes, with a quantity of 2500 units per reel.

Specifications

  • Resolution: 12 bits
  • Sampling Rate: Up to 1 MSPS (Mega Samples Per Second)
  • Input Voltage Range: ±Vref
  • Power Supply: +5V
  • Operating Temperature Range: -40°C to +85°C
  • Interface: Serial Peripheral Interface (SPI)

Pin Configuration

The ADS1286UA/2K5 has the following pin configuration:

Pin 1: VREF- Pin 2: VREF+ Pin 3: AGND Pin 4: DVDD Pin 5: DOUT Pin 6: DIN Pin 7: SCLK Pin 8: CS Pin 9: DRDY Pin 10: PDWN Pin 11: CLKIN Pin 12: REFOUT Pin 13: AVDD Pin 14: AIN0 Pin 15: AIN1 Pin 16: AIN2 Pin 17: AIN3 Pin 18: AIN4 Pin 19: AIN5 Pin 20: AIN6 Pin 21: AIN7 Pin 22: AIN8 Pin 23: AIN9 Pin 24: AIN10 Pin 25: AIN11 Pin 26: AGND Pin 27: DVDD Pin 28: VCC

Functional Features

  • High-resolution and high-accuracy conversion of analog signals to digital data.
  • Low noise performance for precise measurement applications.
  • Fast sampling rate enables real-time data acquisition.
  • Serial Peripheral Interface (SPI) allows easy integration with microcontrollers and other digital systems.
  • Power-down mode for power-saving applications.

Advantages and Disadvantages

Advantages: - Excellent linearity and low noise performance. - High-speed sampling rate. - Wide input voltage range. - Easy integration with microcontrollers.

Disadvantages: - Requires an external reference voltage. - Limited resolution compared to higher-end ADCs.

Working Principles

The ADS1286UA/2K5 operates based on the successive approximation register (SAR) architecture. It uses a sample-and-hold circuit to capture the analog input signal, which is then converted into a digital representation using a series of comparisons and adjustments. The resulting digital data is then transmitted through the SPI interface.

Detailed Application Field Plans

The ADS1286UA/2K5 is suitable for various precision measurement applications, including:

  1. Industrial automation systems
  2. Data acquisition systems
  3. Medical equipment
  4. Test and measurement instruments
  5. Audio processing systems

Alternative Models

Here are some alternative models that offer similar functionality:

  1. ADS1248 - 24-bit ADC with higher resolution
  2. ADS1115 - 16-bit ADC with lower resolution but higher sampling rate
  3. ADS1015 - 12-bit ADC with lower resolution and lower sampling rate

These alternative models can be considered based on specific application requirements.

In conclusion, the ADS1286UA/2K5 is a high-performance 12-bit ADC that offers excellent linearity, low noise performance, and a fast sampling rate. It is widely used in precision measurement applications across various industries.

10个与ADS1286UA/2K5在技术解决方案中的应用相关的常见问题及解答

  1. What is the maximum sampling rate of ADS1286UA/2K5?
    - The maximum sampling rate of ADS1286UA/2K5 is 128 kSPS (kilo-samples per second).

  2. What is the input voltage range of ADS1286UA/2K5?
    - The input voltage range of ADS1286UA/2K5 is ±2.5V.

  3. Can ADS1286UA/2K5 be used in industrial control systems?
    - Yes, ADS1286UA/2K5 is suitable for use in industrial control systems due to its high accuracy and resolution.

  4. Does ADS1286UA/2K5 support SPI interface?
    - Yes, ADS1286UA/2K5 supports SPI interface for communication with microcontrollers or other devices.

  5. What is the power supply voltage range for ADS1286UA/2K5?
    - The power supply voltage range for ADS1286UA/2K5 is 2.7V to 5.25V.

  6. Is ADS1286UA/2K5 suitable for medical instrumentation applications?
    - Yes, ADS1286UA/2K5 is suitable for medical instrumentation applications due to its low noise and high precision.

  7. Can ADS1286UA/2K5 be used in battery-powered devices?
    - Yes, ADS1286UA/2K5 is suitable for battery-powered devices due to its low power consumption.

  8. What is the resolution of ADS1286UA/2K5?
    - The resolution of ADS1286UA/2K5 is 24 bits.

  9. Does ADS1286UA/2K5 have built-in programmable gain amplifiers?
    - Yes, ADS1286UA/2K5 features built-in programmable gain amplifiers for signal conditioning.

  10. Is ADS1286UA/2K5 RoHS compliant?
    - Yes, ADS1286UA/2K5 is RoHS compliant, making it suitable for environmentally conscious designs.