Analog Devices Inc.
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AD7847BNZ
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AD7847BNZ

Product Overview

Category

AD7847BNZ belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for analog-to-digital conversion in various electronic devices.

Characteristics

  • High precision and accuracy
  • Low power consumption
  • Wide operating voltage range
  • Fast conversion speed
  • Multiple input channels

Package

AD7847BNZ is available in a standard 24-pin plastic dual in-line package (PDIP).

Essence

The essence of AD7847BNZ lies in its ability to convert analog signals into digital data with high precision and efficiency.

Packaging/Quantity

AD7847BNZ is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

  • Resolution: 12 bits
  • Input Voltage Range: 0V to Vref
  • Conversion Time: 10µs per channel
  • Operating Temperature Range: -40°C to +85°C
  • Supply Voltage Range: 2.7V to 5.5V

Detailed Pin Configuration

  1. REFOUT
  2. VDD
  3. AGND
  4. DGND
  5. VREF
  6. VIN(0)
  7. VIN(1)
  8. VIN(2)
  9. VIN(3)
  10. VIN(4)
  11. VIN(5)
  12. VIN(6)
  13. VIN(7)
  14. CS
  15. SCLK
  16. SDATA
  17. LDAC
  18. GND
  19. VLOGIC
  20. VDD
  21. VDD
  22. VDD
  23. VDD
  24. VDD

Functional Features

  • Simultaneous sampling of multiple channels
  • Serial interface for easy integration with microcontrollers
  • Internal reference voltage generation
  • Software programmable gain amplifier (PGA)
  • Power-down mode for reduced power consumption

Advantages and Disadvantages

Advantages

  • High precision conversion
  • Low power consumption
  • Wide operating voltage range
  • Fast conversion speed
  • Multiple input channels for versatile applications

Disadvantages

  • Limited resolution compared to higher-end ADCs
  • Requires external components for proper operation
  • Sensitive to noise and interference

Working Principles

AD7847BNZ operates on the principle of successive approximation. It samples the analog input voltage, compares it with an internal reference voltage, and generates a digital output based on the comparison result.

Detailed Application Field Plans

AD7847BNZ finds applications in various fields, including: 1. Industrial automation 2. Medical equipment 3. Data acquisition systems 4. Instrumentation and measurement devices 5. Audio processing equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to AD7847BNZ are: 1. ADS7846 - 12-bit Touch Screen Controller 2. MCP3208 - 12-bit Analog-to-Digital Converter 3. MAX11612 - 12-Bit, 16-Channel ADC 4. LTC1867 - 12-Bit, 8-Channel ADC 5. ADS1015 - 12-Bit ADC with I2C Interface

These alternative models offer similar functionality and performance characteristics to AD7847BNZ, providing flexibility in choosing the most suitable IC for specific applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AD7847BNZ v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AD7847BNZ:

  1. Q: What is AD7847BNZ? A: AD7847BNZ is a 12-bit successive approximation analog-to-digital converter (ADC) manufactured by Analog Devices.

  2. Q: What is the operating voltage range of AD7847BNZ? A: The operating voltage range of AD7847BNZ is typically between 2.7V and 5.5V.

  3. Q: What is the maximum sampling rate of AD7847BNZ? A: AD7847BNZ has a maximum sampling rate of 200 kilosamples per second (ksps).

  4. Q: What is the resolution of AD7847BNZ? A: AD7847BNZ has a resolution of 12 bits, which means it can represent analog signals with 4096 discrete levels.

  5. Q: Can AD7847BNZ be used for both single-ended and differential inputs? A: Yes, AD7847BNZ supports both single-ended and differential inputs, providing flexibility in various applications.

  6. Q: Does AD7847BNZ have an internal reference voltage? A: No, AD7847BNZ does not have an internal reference voltage. An external reference voltage needs to be provided.

  7. Q: What is the typical power consumption of AD7847BNZ? A: The typical power consumption of AD7847BNZ is around 3 milliwatts (mW) during normal operation.

  8. Q: Can AD7847BNZ operate in a temperature range outside the industrial range? A: No, AD7847BNZ is designed to operate within the industrial temperature range of -40°C to +85°C.

  9. Q: Does AD7847BNZ have any built-in digital filters? A: No, AD7847BNZ does not have any built-in digital filters. External filters can be used for anti-aliasing or noise reduction.

  10. Q: What are some typical applications of AD7847BNZ? A: AD7847BNZ is commonly used in industrial automation, data acquisition systems, medical equipment, and instrumentation applications.

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