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ADS114S08BIRHBR

ADS114S08BIRHBR

Product Overview

Category: Integrated Circuits (ICs)

Use: The ADS114S08BIRHBR is a precision analog-to-digital converter (ADC) designed for high-precision measurement applications. It is commonly used in industrial control systems, medical equipment, and scientific instruments.

Characteristics: - High resolution: The ADS114S08BIRHBR offers 24-bit resolution, allowing for accurate measurement of small analog signals. - Low noise: It features a low-noise programmable gain amplifier (PGA) and a delta-sigma ADC architecture, ensuring reliable and precise signal conversion. - Wide input voltage range: The device can handle differential input voltages ranging from -Vref to +Vref, making it suitable for various measurement scenarios. - Low power consumption: The ADS114S08BIRHBR operates at low power levels, enabling energy-efficient designs. - Small package size: It comes in a compact QFN package, saving board space in tight layouts.

Package/Quantity: The ADS114S08BIRHBR is available in a 32-pin QFN package. It is typically sold in reels containing a specified quantity of units.

Specifications

  • Resolution: 24 bits
  • Input Voltage Range: -Vref to +Vref
  • Sampling Rate: Up to 2.5 kSPS (kilosamples per second)
  • Power Supply: 2.7V to 5.25V
  • Operating Temperature Range: -40°C to +125°C
  • Interface: SPI (Serial Peripheral Interface)

Pin Configuration

The ADS114S08BIRHBR has a total of 32 pins. Here is the detailed pin configuration:

Pin Number | Pin Name | Description -----------|----------|------------- 1 | VREFP | Positive reference voltage input 2 | VREFN | Negative reference voltage input 3 | AIN0 | Analog input channel 0 4 | AIN1 | Analog input channel 1 5 | AIN2 | Analog input channel 2 6 | AIN3 | Analog input channel 3 7 | AIN4 | Analog input channel 4 8 | AIN5 | Analog input channel 5 9 | AIN6 | Analog input channel 6 10 | AIN7 | Analog input channel 7 11 | AVDD | Analog power supply (positive) 12 | AGND | Analog ground 13 | DVDD | Digital power supply (positive) 14 | DGND | Digital ground 15 | CLK | Serial clock input 16 | CS | Chip select input 17 | DIN | Serial data input 18 | DOUT | Serial data output 19 | DRDY | Data ready output 20 | RESET | Reset input 21-32 | NC | No connection

Functional Features

The ADS114S08BIRHBR offers several functional features that enhance its performance and usability:

  1. Programmable Gain Amplifier (PGA): The built-in PGA allows for amplification of weak analog signals, improving the overall signal-to-noise ratio.
  2. Internal Voltage Reference: It includes an internal voltage reference, eliminating the need for an external reference source.
  3. On-Chip Temperature Sensor: The device integrates a temperature sensor, enabling accurate temperature compensation for precise measurements.
  4. Daisy-Chain Mode: Multiple devices can be connected in a daisy-chain configuration, simplifying system design and reducing the number of required interface lines.

Advantages and Disadvantages

Advantages: - High resolution for accurate measurements - Low noise performance ensures reliable data acquisition - Wide input voltage range accommodates various signal levels - Low power consumption for energy-efficient designs - Compact package size saves board space

Disadvantages: - Limited number of analog input channels (8 in total) - Requires an external microcontroller or processor for data processing and analysis

Working Principles

The ADS114S08BIRHBR operates based on the delta-sigma modulation technique. It converts analog signals into digital data by oversampling the input signal and applying a digital filter to extract the desired information. The device's internal circuitry, including the PGA and ADC, work together to achieve high-resolution and low-noise conversion.

Application Field Plans

The ADS114S08BIRHBR finds applications in various fields, including:

  1. Industrial Control Systems: It is used for precise measurement and control of physical parameters in industrial automation systems.
  2. Medical Equipment: The ADC enables accurate data acquisition in medical devices such as patient monitors and diagnostic instruments.
  3. Scientific Instruments: It

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ADS114S08BIRHBR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ADS114S08BIRHBR in technical solutions:

  1. Q: What is the ADS114S08BIRHBR? A: The ADS114S08BIRHBR is a precision analog-to-digital converter (ADC) designed for applications requiring high-precision measurements.

  2. Q: What is the resolution of the ADS114S08BIRHBR? A: The ADS114S08BIRHBR has a resolution of up to 24 bits, allowing for highly accurate measurements.

  3. Q: What is the input voltage range of the ADS114S08BIRHBR? A: The ADS114S08BIRHBR has a differential input voltage range of ±VREF, where VREF can be set between 2.5V and 5V.

  4. Q: Can the ADS114S08BIRHBR handle multiple channels? A: Yes, the ADS114S08BIRHBR has 8 differential input channels, allowing for simultaneous measurement of multiple signals.

  5. Q: What is the sampling rate of the ADS114S08BIRHBR? A: The ADS114S08BIRHBR supports a maximum sampling rate of 2.5 kSPS (thousand samples per second).

  6. Q: Does the ADS114S08BIRHBR have built-in programmable gain amplifiers (PGAs)? A: Yes, the ADS114S08BIRHBR features integrated PGAs with selectable gain settings, enabling amplification of weak signals.

  7. Q: Can the ADS114S08BIRHBR operate in low-power mode? A: Yes, the ADS114S08BIRHBR offers a low-power mode, reducing power consumption for battery-powered applications.

  8. Q: What is the interface used to communicate with the ADS114S08BIRHBR? A: The ADS114S08BIRHBR supports a serial interface (SPI) for communication with microcontrollers or other digital devices.

  9. Q: Does the ADS114S08BIRHBR have built-in self-calibration features? A: Yes, the ADS114S08BIRHBR includes self-calibration mechanisms to ensure accurate and stable measurements over time.

  10. Q: What are some typical applications of the ADS114S08BIRHBR? A: The ADS114S08BIRHBR is commonly used in precision measurement systems, such as industrial process control, medical instrumentation, and scientific research.

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