AD22100KRZ
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Analog Devices Inc. AD22100KRZ

Manufacturer No:
AD22100KRZ
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
SENSOR ANALOG 0C-100C 8SOIC
Delivery:
Payment:
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Product Introduction

Overview

The AD22100KRZ, produced by Analog Devices Inc., is a monolithic temperature sensor with on-chip signal conditioning. It operates over a wide temperature range of -50°C to +150°C, making it suitable for various applications in HVAC, instrumentation, and automotive sectors. The sensor features a ratiometric output, where the output voltage is proportional to the temperature times the supply voltage, simplifying system design and reducing overall system cost.

Key Specifications

Parameter Min Typ Max Unit
Transfer Function VOUT = (V+/5 V) × [1.375 V + (22.5 mV/°C) × TA] V
Temperature Coefficient (V+/5 V) × 22.5 mV/°C mV/°C
Error at TA = 25°C ±0.5 ±2.0 °C
Nominal Output Voltage at TA = 25°C 1.938 V V
Operating Voltage 4.0 5.0 6.5 V
Quiescent Current 500 650 µA
Guaranteed Temperature Range -50 to +150 °C
Package Type 8-Lead Standard Small Outline Package (SOIC)

Key Features

  • Ratiometric Output: The output voltage is proportional to the temperature times the supply voltage, making it ideal for interfacing with analog-to-digital converters without the need for a precision reference.
  • On-Chip Signal Conditioning: Eliminates the need for trimming, buffering, or linearization circuitry, simplifying system design and reducing cost.
  • High Accuracy and Linearity: Better than ±1% of full scale, with a temperature coefficient of 22.5 mV/°C.
  • Minimal Self-Heating: Reduces thermal interference and ensures accurate temperature readings.
  • Reverse Voltage Protection: Enhances reliability and protects the device from reverse voltage conditions.
  • High Level, Low Impedance Output: Ensures robust and reliable output signals.

Applications

  • HVAC Systems: For temperature sensing and control in heating, ventilation, and air conditioning systems.
  • System Temperature Compensation: Compensates for temperature variations in electronic systems.
  • Board Level Temperature Sensing: Monitors temperature at the board level in various electronic devices.
  • Electronic Thermostats: Used in thermostats for precise temperature control.
  • Industrial Process Control and Instrumentation: For accurate temperature measurement in industrial processes and instrumentation.
  • Automotive Applications: Suitable for temperature sensing in automotive systems.

Q & A

  1. What is the operating temperature range of the AD22100KRZ?

    The AD22100KRZ operates over a temperature range of -50°C to +150°C.

  2. What is the output voltage range of the AD22100KRZ?

    The output voltage swings from 0.25 V at -50°C to 4.75 V at +150°C using a single +5.0 V supply.

  3. What is the significance of the ratiometric output of the AD22100KRZ?

    The ratiometric output allows the sensor to interface directly with an analog-to-digital converter without needing a precision reference, using the ADC's power supply as a reference.

  4. What type of package does the AD22100KRZ come in?

    The AD22100KRZ comes in an 8-Lead Standard Small Outline Package (SOIC).

  5. What are some key applications of the AD22100KRZ?

    Key applications include HVAC systems, system temperature compensation, board level temperature sensing, electronic thermostats, industrial process control, and automotive applications.

  6. Does the AD22100KRZ require external signal conditioning?

    No, the AD22100KRZ has on-chip signal conditioning, eliminating the need for external trimming, buffering, or linearization circuitry.

  7. How accurate is the AD22100KRZ?

    The AD22100KRZ has an accuracy better than ±1% of full scale and a temperature coefficient of 22.5 mV/°C.

  8. Is the AD22100KRZ protected against reverse voltage?
  9. What is the quiescent current of the AD22100KRZ?

    The quiescent current is between 500 µA and 650 µA.

  10. Can the AD22100KRZ withstand short circuits?

Product Attributes

Sensor Type:Analog, Local
Sensing Temperature - Local:0°C ~ 100°C
Sensing Temperature - Remote:- 
Output Type:Analog Voltage
Voltage - Supply:4V ~ 6.5V
Resolution:22.5mV/°C
Features:- 
Accuracy - Highest (Lowest):±2°C
Test Condition:25°C
Operating Temperature:-50°C ~ 150°C
Mounting Type:Surface Mount
Package / Case:8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:8-SOIC
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