Analog Devices Inc.
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AD7871JNZ
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AD7871JNZ

Product Overview

Category

The AD7871JNZ belongs to the category of analog-to-digital converters (ADCs).

Use

It is primarily used for converting analog signals into digital data.

Characteristics

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

Package

The AD7871JNZ comes in a standard 28-pin plastic DIP (Dual In-line Package).

Essence

The essence of the AD7871JNZ lies in its ability to accurately convert analog signals into digital form, making it suitable for various applications.

Packaging/Quantity

The AD7871JNZ is typically packaged in reels or tubes and is available in quantities suitable for both small-scale and large-scale production.

Specifications

  • Resolution: 12 bits
  • Sampling Rate: Up to 100 kSPS (thousand samples per second)
  • Input Voltage Range: ±10V
  • Power Supply: +5V
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AD7871JNZ has a total of 28 pins. The pin configuration is as follows:

  1. VREF-
  2. VREF+
  3. AGND
  4. DGND
  5. REFOUT
  6. REFIN
  7. AIN1
  8. AIN2
  9. AIN3
  10. AIN4
  11. AIN5
  12. AIN6
  13. AIN7
  14. AIN8
  15. AIN9
  16. AIN10
  17. AIN11
  18. AIN12
  19. AIN13
  20. AIN14
  21. AIN15
  22. AIN16
  23. CS
  24. RD
  25. WR
  26. A0
  27. A1
  28. VCC

Functional Features

  • High-resolution conversion
  • Simultaneous sampling of multiple channels
  • Programmable gain amplifier (PGA)
  • Serial interface for easy integration with microcontrollers

Advantages and Disadvantages

Advantages

  • High precision and accuracy in analog-to-digital conversion
  • Fast conversion speed allows real-time data acquisition
  • Low power consumption for energy-efficient applications
  • Wide input voltage range accommodates various signal levels

Disadvantages

  • Limited number of input channels
  • Requires external components for proper operation
  • Relatively higher cost compared to lower-end ADCs

Working Principles

The AD7871JNZ utilizes a successive approximation algorithm to convert analog signals into digital form. It samples the input voltage, compares it to a reference voltage, and iteratively adjusts the digital output until the desired resolution is achieved.

Detailed Application Field Plans

The AD7871JNZ finds application in various fields, including:

  1. Industrial automation
  2. Data acquisition systems
  3. Instrumentation and measurement equipment
  4. Medical devices
  5. Audio processing and recording equipment

Detailed and Complete Alternative Models

  1. AD7881JNZ: Similar specifications but with 14-bit resolution.
  2. AD7891JNZ: Higher resolution (16 bits) version of the AD7871JNZ.
  3. AD7861JNZ: Lower resolution (10 bits) version with similar features.

These alternative models provide options for different resolution requirements and can be chosen based on specific application needs.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AD7871JNZ v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AD7871JNZ in technical solutions:

Q1: What is AD7871JNZ? A1: AD7871JNZ is a high-performance, 12-bit analog-to-digital converter (ADC) manufactured by Analog Devices.

Q2: What is the operating voltage range of AD7871JNZ? A2: The operating voltage range of AD7871JNZ is typically between +5V and +15V.

Q3: What is the maximum sampling rate of AD7871JNZ? A3: AD7871JNZ has a maximum sampling rate of 100 kilosamples per second (ksps).

Q4: How many analog input channels does AD7871JNZ have? A4: AD7871JNZ has a total of 8 single-ended analog input channels.

Q5: What is the resolution of AD7871JNZ? A5: AD7871JNZ has a resolution of 12 bits, which means it can represent analog signals with 4096 discrete levels.

Q6: Does AD7871JNZ support differential inputs? A6: No, AD7871JNZ only supports single-ended analog inputs.

Q7: What is the typical power consumption of AD7871JNZ? A7: The typical power consumption of AD7871JNZ is around 20 milliwatts (mW).

Q8: Can AD7871JNZ operate in both continuous and single-shot conversion modes? A8: Yes, AD7871JNZ can operate in both continuous and single-shot conversion modes, depending on the application requirements.

Q9: What is the output data format of AD7871JNZ? A9: AD7871JNZ outputs digital data in straight binary format.

Q10: Does AD7871JNZ have an internal voltage reference? A10: No, AD7871JNZ requires an external voltage reference for accurate conversions.

Please note that these answers are general and may vary depending on the specific implementation and datasheet of AD7871JNZ.