AD7817ARZ
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Analog Devices Inc. AD7817ARZ

Manufacturer No:
AD7817ARZ
Manufacturer:
Analog Devices Inc.
Package:
Bulk
Description:
SENSOR DIGITAL -40C-85C 16SOIC
Delivery:
Payment:
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Product Introduction

Overview

The AD7817ARZ from Analog Devices Inc. is a high-performance, low-power, 10-bit analog-to-digital converter (ADC) with an integrated temperature sensor. This device is designed to operate from a single 2.7 V to 5.5 V power supply, making it suitable for a wide range of applications. The AD7817ARZ features a successive approximation converter, an on-chip clock oscillator, and inherent track-and-hold functionality. It also includes an on-chip temperature sensor that can be accessed via Channel 0, providing accurate temperature measurements.

Key Specifications

ParameterValueUnitTest Conditions
Resolution10Bits
Supply Voltage2.7 to 5.5V
Operating Temperature Range-55 to +125°C
Temperature Sensor Accuracy±2.25°CAmbient Temperature 25°C
Conversion Time9μs
Sample RateUp to 100 kSPS
Power Consumption (at 1 kSPS)40μWVDD = 2.7 V to 5.5 V
Package Type16-SOIC

Key Features

  • 10-bit resolution with no missing codes guaranteed
  • On-chip temperature sensor with ±2.25°C accuracy
  • Single 2.7 V to 5.5 V power supply operation
  • Low power consumption, with automatic power-down feature
  • SPI interface for easy integration
  • Inherent track-and-hold functionality and on-chip clock oscillator
  • Four single-ended analog input channels (VIN1 to VIN4)
  • Overtemperature indicator (OTI) and busy signal for microcontroller integration

Applications

  • Industrial and commercial equipment
  • HVAC systems
  • Automotive applications
  • Consumer electronics
  • Medical devices

Q & A

  1. What is the resolution of the AD7817ARZ?
    The AD7817ARZ has a 10-bit resolution.
  2. What is the operating temperature range of the AD7817ARZ?
    The operating temperature range is -55°C to +125°C.
  3. How accurate is the on-chip temperature sensor?
    The on-chip temperature sensor has an accuracy of ±2.25°C.
  4. What is the conversion time of the AD7817ARZ?
    The conversion time is 9 μs.
  5. What is the maximum sample rate of the AD7817ARZ?
    The maximum sample rate is up to 100 kSPS.
  6. How does the AD7817ARZ manage power consumption?
    The AD7817ARZ features an automatic power-down mode to reduce power consumption, especially at slower throughput rates.
  7. What type of interface does the AD7817ARZ use?
    The AD7817ARZ uses an SPI interface for data communication.
  8. How many analog input channels does the AD7817ARZ have?
    The AD7817ARZ has four single-ended analog input channels (VIN1 to VIN4).
  9. What is the purpose of the overtemperature indicator (OTI) in the AD7817ARZ?
    The OTI is set logic low if the temperature reading exceeds a predetermined value, indicating an overtemperature condition.
  10. What is the typical power consumption of the AD7817ARZ at 1 kSPS?
    The typical power consumption at 1 kSPS is 40 μW.

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):±2.25°C (±3°C)
Test Condition:25°C (-40°C ~ 85°C)
Operating Temperature:-55°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:16-SOIC
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