AD7818ARM-REEL
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Analog Devices Inc. AD7818ARM-REEL

Manufacturer No:
AD7818ARM-REEL
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
SENSOR DIGITAL -40C-85C 8MSOP
Delivery:
Payment:
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Product Introduction

Overview

The AD7818ARM-REEL, produced by Analog Devices Inc., is a 10-bit, 4-channel analog-to-digital converter (ADC) with an integrated temperature sensor. This device operates from a single 2.7 V to 5.5 V power supply, making it versatile for various applications. The AD7818 features a successive approximation converter based on a capacitor digital-to-analog converter (DAC), an on-chip clock oscillator, and inherent track-and-hold functionality. Additionally, it includes an on-chip reference voltage of 2.5 V and supports SPI-compatible serial interfaces, making it compatible with multiple microcontroller protocols.

Key Specifications

Parameter Description
Resolution 10-bit
Number of Channels 4 channels (including temperature sensor)
Power Supply 2.7 V to 5.5 V
Conversion Time 9 μs (analog channels), 27 μs (temperature sensor)
Temperature Sensor Accuracy ±2°C
Temperature Measurement Range –55°C to +125°C
Interface SPI-compatible serial interface
Package Type 8-lead MSOP (Micro Small Outline Package)
Operating Temperature Range –40°C to +85°C

Key Features

  • On-chip temperature sensor with ±2°C accuracy
  • On-chip clock oscillator and reference voltage (2.5 V)
  • Inherent track-and-hold functionality
  • SPI-compatible serial interface for easy microcontroller integration
  • Automatic power-down feature for superior power performance at slower throughput rates
  • Overtemperature indicator for monitoring temperature thresholds
  • Compact 8-lead MSOP package

Applications

  • Industrial control systems
  • Medical devices
  • Automotive systems
  • Consumer electronics (e.g., personal computers, office equipment, domestic appliances)
  • Electronic test equipment
  • Process control systems

Q & A

  1. What is the resolution of the AD7818ARM-REEL ADC?

    The AD7818ARM-REEL has a 10-bit resolution.

  2. How many analog input channels does the AD7818ARM-REEL have?

    The AD7818ARM-REEL has four analog input channels, including one channel dedicated to the temperature sensor.

  3. What is the operating voltage range of the AD7818ARM-REEL?

    The AD7818ARM-REEL operates from a single 2.7 V to 5.5 V power supply.

  4. What is the conversion time for the analog channels and the temperature sensor?

    The conversion time is 9 μs for the analog channels and 27 μs for the temperature sensor.

  5. What is the accuracy of the on-chip temperature sensor?

    The on-chip temperature sensor has an accuracy of ±2°C.

  6. What is the temperature measurement range of the AD7818ARM-REEL?

    The temperature measurement range is –55°C to +125°C.

  7. What type of interface does the AD7818ARM-REEL use?

    The AD7818ARM-REEL uses an SPI-compatible serial interface.

  8. In what package type is the AD7818ARM-REEL available?

    The AD7818ARM-REEL is available in an 8-lead MSOP (Micro Small Outline Package).

  9. What is the operating temperature range of the AD7818ARM-REEL?

    The operating temperature range is –40°C to +85°C.

  10. Does the AD7818ARM-REEL have an overtemperature indicator?

Product Attributes

Sensor Type:Digital, Local
Sensing Temperature - Local:-40°C ~ 85°C
Sensing Temperature - Remote:- 
Output Type:SPI
Voltage - Supply:2.7V ~ 5.5V
Resolution:10 b
Features:Output Switch
Accuracy - Highest (Lowest):±2°C (±3°C)
Test Condition:25°C (-40°C ~ 85°C)
Operating Temperature:-55°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package:8-MSOP
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