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DS1821S+T&R
Introduction
The DS1821S+T&R is a digital thermometer and thermostat belonging to the category of temperature sensors. It is commonly used for monitoring and controlling temperature in various electronic devices and systems. This device offers precise temperature measurements and flexible thermostat control, making it suitable for a wide range of applications.
Basic Information Overview
- Category: Temperature Sensor
- Use: Monitoring and controlling temperature
- Characteristics: Precise temperature measurements, flexible thermostat control
- Package: Surface-mount TO-92 package
- Essence: Accurate temperature sensing and control
- Packaging/Quantity: Tape & Reel (T&R)
Specifications
- Temperature Range: -55°C to +125°C
- Accuracy: ±2°C from -10°C to +85°C
- Resolution: 9 to 12 bits
- Supply Voltage: 3V to 5.5V
- Interface: 1-Wire® bus
Detailed Pin Configuration
The DS1821S+T&R features a standard 3-pin configuration: 1. VDD - Power supply input 2. DQ - 1-Wire data input/output 3. GND - Ground
Functional Features
- Digital temperature sensing
- Nonvolatile thermostat settings
- User-programmable temperature alarm
- 1-Wire interface for communication
Advantages and Disadvantages
Advantages - High accuracy - Wide temperature range - Nonvolatile memory for thermostat settings
Disadvantages - Limited resolution compared to some other temperature sensors - Requires a compatible 1-Wire interface for communication
Working Principles
The DS1821S+T&R operates by converting temperature measurements into digital signals using its internal sensor. It utilizes nonvolatile memory to store user-programmed thermostat settings and can trigger an alarm based on predefined temperature thresholds.
Detailed Application Field Plans
This temperature sensor is widely used in applications such as: - HVAC systems - Industrial automation - Consumer electronics - Medical devices - Automotive systems
Detailed and Complete Alternative Models
Some alternative models to the DS1821S+T&R include: - DS18B20 - LM35 - TMP36 - MAX31820
In conclusion, the DS1821S+T&R is a versatile digital thermometer and thermostat that provides accurate temperature measurements and flexible control capabilities. Its wide temperature range and nonvolatile memory make it suitable for various temperature monitoring and control applications.
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Énumérez 10 questions et réponses courantes liées à l'application de DS1821S+T&R dans les solutions techniques
What is the DS1821S+T&R?
- The DS1821S+T&R is a digital thermometer and thermostat with nonvolatile memory.
What is the operating temperature range of DS1821S+T&R?
- The operating temperature range of DS1821S+T&R is -55°C to +125°C.
How does DS1821S+T&R communicate with other devices?
- DS1821S+T&R communicates using a 2-wire serial interface.
Can DS1821S+T&R be used in battery-powered applications?
- Yes, DS1821S+T&R has low power consumption and can be used in battery-powered applications.
What is the resolution of DS1821S+T&R?
- The DS1821S+T&R has a 9-bit digital temperature reading.
Is DS1821S+T&R suitable for industrial applications?
- Yes, DS1821S+T&R is suitable for industrial applications due to its wide temperature range and robust design.
Can DS1821S+T&R be used for temperature control in HVAC systems?
- Yes, DS1821S+T&R can be used for temperature control in HVAC systems as a reliable thermostat.
Does DS1821S+T&R have any built-in temperature hysteresis?
- Yes, DS1821S+T&R has programmable temperature hysteresis for precise control.
What is the typical supply voltage for DS1821S+T&R?
- The typical supply voltage for DS1821S+T&R is 3V to 5.5V.
Can DS1821S+T&R be used in automotive applications?
- Yes, DS1821S+T&R can be used in automotive applications where temperature monitoring and control are required.