Analog Devices Inc.
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AD7847ARZ
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AD7847ARZ

Product Overview

Category

AD7847ARZ belongs to the category of analog-to-digital converters (ADCs).

Use

This product is used to convert analog signals into digital data for processing and analysis.

Characteristics

  • High resolution: AD7847ARZ offers a resolution of 12 bits, ensuring accurate conversion of analog signals.
  • Fast conversion speed: With a maximum conversion rate of 1 MSPS (Mega Samples Per Second), it can quickly process analog signals.
  • Low power consumption: AD7847ARZ is designed to operate with low power consumption, making it suitable for battery-powered devices.
  • Wide input voltage range: It supports an input voltage range from 0V to Vref, allowing flexibility in signal acquisition.
  • Serial interface: The ADC utilizes a serial interface, enabling easy integration with microcontrollers and other digital systems.

Package and Quantity

AD7847ARZ is available in a small outline integrated circuit (SOIC) package. Each package contains one unit of the ADC.

Specifications

  • Resolution: 12 bits
  • Conversion Rate: Up to 1 MSPS
  • Input Voltage Range: 0V to Vref
  • Interface: Serial
  • Package Type: SOIC

Pin Configuration

The AD7847ARZ has a total of 20 pins. Here is the detailed pin configuration:

  1. VDD: Power supply voltage
  2. VREF: Reference voltage for the ADC
  3. AGND: Analog ground
  4. REFOUT: Buffered reference output
  5. REFIN: Analog input voltage
  6. VIN: Analog input voltage
  7. VIN: Analog input voltage
  8. VIN: Analog input voltage
  9. VIN: Analog input voltage
  10. VIN: Analog input voltage
  11. VIN: Analog input voltage
  12. VIN: Analog input voltage
  13. VIN: Analog input voltage
  14. VIN: Analog input voltage
  15. VIN: Analog input voltage
  16. VIN: Analog input voltage
  17. VIN: Analog input voltage
  18. VIN: Analog input voltage
  19. VIN: Analog input voltage
  20. GND: Ground

Functional Features

  • High-resolution conversion: AD7847ARZ provides accurate conversion of analog signals into 12-bit digital data.
  • Serial interface: The ADC utilizes a serial interface, allowing easy integration with microcontrollers and other digital systems.
  • Low power consumption: Designed for low power operation, making it suitable for battery-powered devices.
  • Wide input voltage range: Supports an input voltage range from 0V to Vref, providing flexibility in signal acquisition.

Advantages and Disadvantages

Advantages

  • High resolution ensures accurate conversion of analog signals.
  • Fast conversion speed allows for quick processing of analog data.
  • Low power consumption makes it suitable for portable and battery-powered applications.
  • Wide input voltage range provides flexibility in signal acquisition.

Disadvantages

  • Limited to 12-bit resolution, which may not be sufficient for certain high-precision applications.
  • Requires an external reference voltage (VREF) for proper operation.

Working Principles

AD7847ARZ works based on the principle of successive approximation. It samples the analog input voltage and compares it to a reference voltage. By iteratively adjusting the digital code, it converges towards the closest digital representation of the analog input.

Detailed Application Field Plans

AD7847ARZ finds applications in various fields, including: 1. Industrial automation: Used for analog signal acquisition in control systems. 2. Medical devices: Enables precise measurement and monitoring of vital signs. 3. Test and measurement equipment: Provides accurate digitization of analog signals for analysis. 4. Data acquisition systems: Used to convert analog sensor signals into digital data for processing and storage. 5. Audio equipment: Enables digitization of audio signals for processing and playback.

Detailed and Complete Alternative Models

  1. AD7887ARZ: Similar to AD7847ARZ, but with a higher resolution of 16 bits.
  2. AD7797BRUZ: A low-power, 24-bit ADC suitable for high-precision applications.
  3. ADS1115IDGST: An I2C-compatible, 16-bit ADC with programmable gain amplification.

These alternative models offer different features and specifications, allowing users to choose the most suitable ADC for their specific requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AD7847ARZ en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of AD7847ARZ:

  1. Q: What is AD7847ARZ? A: AD7847ARZ is a 12-bit successive approximation analog-to-digital converter (ADC) manufactured by Analog Devices.

  2. Q: What is the operating voltage range of AD7847ARZ? A: The operating voltage range of AD7847ARZ is typically between 2.7V and 5.5V.

  3. Q: What is the maximum sampling rate of AD7847ARZ? A: AD7847ARZ has a maximum sampling rate of 200 kilosamples per second (ksps).

  4. Q: What is the resolution of AD7847ARZ? A: AD7847ARZ has a resolution of 12 bits, which means it can represent analog signals with 4096 discrete levels.

  5. Q: Can AD7847ARZ be used in both single-ended and differential input configurations? A: Yes, AD7847ARZ supports both single-ended and differential input configurations.

  6. Q: Does AD7847ARZ have an internal reference voltage? A: No, AD7847ARZ does not have an internal reference voltage. An external reference voltage needs to be provided.

  7. Q: What is the typical power consumption of AD7847ARZ? A: The typical power consumption of AD7847ARZ is around 1.5 milliwatts (mW).

  8. Q: Can AD7847ARZ operate in a temperature range outside the commercial range? A: Yes, AD7847ARZ can operate in extended temperature ranges from -40°C to +85°C.

  9. Q: Does AD7847ARZ have any built-in digital filters? A: No, AD7847ARZ does not have any built-in digital filters. External filters can be used if required.

  10. Q: What are some typical applications of AD7847ARZ? A: AD7847ARZ is commonly used in various applications such as industrial process control, data acquisition systems, medical instrumentation, and communication systems.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.