Analog Devices Inc.
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AD7835APZ-REEL
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AD7835APZ-REEL

Product Overview

Category

AD7835APZ-REEL 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
  • Small form factor

Package

AD7835APZ-REEL comes in a compact package, suitable for surface mount technology (SMT) applications.

Essence

The essence of AD7835APZ-REEL lies in its ability to accurately convert analog signals into digital format, enabling further processing and analysis.

Packaging/Quantity

This product is typically packaged in reels, with a standard quantity of 250 units per reel.

Specifications

  • Resolution: 12 bits
  • Input Voltage Range: 0V to Vref
  • Conversion Time: 1.2 µs
  • Power Supply: 2.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AD7835APZ-REEL has the following pin configuration:

  1. VDD: Power supply voltage
  2. VREF: Reference voltage input
  3. AGND: Analog ground
  4. DGND: Digital ground
  5. CS: Chip select input
  6. SCLK: Serial clock input
  7. SDATA: Serial data input/output
  8. SDO: Serial data output
  9. RDY/BSY: Ready/busy status output
  10. RESET: Reset input

Functional Features

  • Serial interface for easy integration with microcontrollers
  • On-chip reference voltage generator
  • Internal sample-and-hold circuitry for accurate conversions
  • Software-configurable options for enhanced flexibility
  • Low power consumption for energy-efficient applications

Advantages and Disadvantages

Advantages

  • High precision and accuracy in analog-to-digital conversion
  • Fast conversion speed allows for real-time data acquisition
  • Wide input voltage range accommodates various signal levels
  • Small form factor enables space-constrained designs
  • Low power consumption prolongs battery life in portable devices

Disadvantages

  • Limited resolution compared to higher-end ADCs
  • May require additional external components for specific applications
  • Higher cost compared to lower-resolution ADCs

Working Principles

AD7835APZ-REEL operates on the principle of successive approximation. It samples the analog input voltage, compares it with the internal reference voltage, and generates a digital output based on the comparison result. The conversion process is controlled by the serial interface, allowing for easy integration with microcontrollers.

Detailed Application Field Plans

AD7835APZ-REEL finds applications in various fields, including:

  1. Industrial automation: Precise measurement and control systems
  2. Medical devices: Vital sign monitoring and diagnostic equipment
  3. Test and measurement: Data acquisition and analysis instruments
  4. Communication systems: Signal processing and modulation/demodulation
  5. Automotive electronics: Sensor interfacing and control systems

Detailed and Complete Alternative Models

  1. AD7836APZ-REEL: 14-bit resolution ADC with similar features
  2. AD7837APZ-REEL: 16-bit resolution ADC for higher precision requirements
  3. AD7838APZ-REEL: 18-bit resolution ADC with extended dynamic range

These alternative models offer increased resolution and enhanced performance for specific application needs.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AD7835APZ-REEL v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AD7835APZ-REEL in technical solutions:

  1. Question: What is the AD7835APZ-REEL?
    Answer: The AD7835APZ-REEL is a digital-to-analog converter (DAC) chip manufactured by Analog Devices.

  2. Question: What is the resolution of the AD7835APZ-REEL?
    Answer: The AD7835APZ-REEL has a resolution of 16 bits, meaning it can produce 65,536 different output voltage levels.

  3. Question: What is the operating voltage range of the AD7835APZ-REEL?
    Answer: The AD7835APZ-REEL operates with a single supply voltage ranging from 2.7V to 5.5V.

  4. Question: How many channels does the AD7835APZ-REEL have?
    Answer: The AD7835APZ-REEL has 4 independent DAC channels, allowing for simultaneous conversion of multiple analog signals.

  5. Question: What is the maximum output voltage range of the AD7835APZ-REEL?
    Answer: The AD7835APZ-REEL can generate output voltages ranging from 0V to Vref, where Vref is the reference voltage supplied to the chip.

  6. Question: Can the AD7835APZ-REEL be used in both single-ended and differential mode?
    Answer: Yes, the AD7835APZ-REEL supports both single-ended and differential output modes, providing flexibility in various applications.

  7. Question: Does the AD7835APZ-REEL have an internal reference voltage?
    Answer: No, the AD7835APZ-REEL requires an external reference voltage to operate. The reference voltage determines the maximum output range.

  8. Question: What is the interface used to communicate with the AD7835APZ-REEL?
    Answer: The AD7835APZ-REEL uses a serial interface, specifically a 3-wire SPI (Serial Peripheral Interface) protocol.

  9. Question: Can the AD7835APZ-REEL be used in industrial applications?
    Answer: Yes, the AD7835APZ-REEL is suitable for industrial applications due to its wide operating temperature range and robust design.

  10. Question: Are there any evaluation boards or development kits available for the AD7835APZ-REEL?
    Answer: Yes, Analog Devices provides evaluation boards and development kits that can be used to quickly prototype and test the AD7835APZ-REEL in various applications.

Please note that these answers are general and may vary depending on specific application requirements.