Overview
The DS18B20Z+ is a digital temperature sensor produced by Maxim Integrated, a subsidiary of Analog Devices Inc. This sensor is designed to provide accurate temperature measurements over a wide operating range, making it suitable for various industrial and consumer applications. The DS18B20Z+ features a programmable resolution and an alarm function, along with the ability to operate in parasitic power mode, which simplifies system design and reduces the number of wires required.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Maxim Integrated (Analog Devices Inc.) |
| Type of Integrated Circuit | Digital Thermometer |
| Temperature Measuring Range | -55°C to 125°C |
| Temperature Measurement Accuracy | ±0.5°C (-10°C to 85°C), ±2°C (-55°C to 125°C) |
| Converter Resolution | 9-bit to 12-bit (programmable) |
| Interface | 1-Wire |
| Supply Voltage | 3V to 5.5V |
| Package | 8-SOIC (Small-Outline IC, Narrow) |
| Mounting | SMD (Surface Mount Device) |
| Integrated Circuit Features | EEPROM memory, programmable alarm thresholds, parasitic power mode |
Key Features
- High Accuracy: Provides accurate temperature measurements with an accuracy of ±0.5°C over the range of -10°C to 85°C and ±2°C over the full range of -55°C to 125°C.
- Programmable Resolution: The resolution of the temperature sensor is user-configurable from 9-bit to 12-bit, corresponding to increments of 0.5°C, 0.25°C, 0.125°C, and 0.0625°C, respectively.
- Programmable Alarm Thresholds: Features nonvolatile user-programmable upper and lower alarm trigger points.
- Parasitic Power Mode: Can derive power directly from the data line, eliminating the need for an external power supply.
- Unique 64-Bit Serial Code: Each DS18B20Z+ has a unique 64-bit serial code, allowing multiple devices to function on the same 1-Wire bus.
- 1-Wire Interface: Communicates over a 1-Wire bus that requires only one data line (and ground) for communication with a central microprocessor.
- RoHS3 Compliant: Ensures compliance with environmental regulations.
Applications
- Industrial and Consumer Electronics: Suitable for various industrial and consumer electronic devices due to its high accuracy and wide operating temperature range.
- HVAC Systems: Ideal for temperature monitoring and control in heating, ventilation, and air conditioning systems.
- Appliances: Used in household and commercial appliances for temperature monitoring and control.
- Automotive Applications: Applicable in automotive systems for temperature monitoring and control.
- Process Monitoring and Control Systems: Useful in monitoring and controlling temperatures in industrial processes and equipment).
Q & A
- What is the operating temperature range of the DS18B20Z+?
The DS18B20Z+ operates over a temperature range of -55°C to 125°C).
- What is the accuracy of the DS18B20Z+ temperature sensor?
The accuracy is ±0.5°C over the range of -10°C to 85°C and ±2°C over the full range of -55°C to 125°C).
- What are the programmable resolutions of the DS18B20Z+?
The resolution is programmable from 9-bit to 12-bit, corresponding to increments of 0.5°C, 0.25°C, 0.125°C, and 0.0625°C, respectively).
- Does the DS18B20Z+ require an external power supply?
No, it can derive power directly from the data line in parasitic power mode).
- How does the DS18B20Z+ communicate with a microprocessor?
It communicates over a 1-Wire bus that requires only one data line (and ground)).
- What is the unique feature of each DS18B20Z+ device?
Each device has a unique 64-bit serial code, allowing multiple devices to function on the same 1-Wire bus).
- Is the DS18B20Z+ RoHS compliant?
Yes, the DS18B20Z+ is RoHS3 compliant).
- What are some common applications of the DS18B20Z+?
Common applications include HVAC systems, appliances, automotive systems, and process monitoring and control systems).
- What is the package type of the DS18B20Z+?
The DS18B20Z+ comes in an 8-SOIC (Small-Outline IC, Narrow) package).
- How does the DS18B20Z+ store configuration data?
The configuration data is stored in nonvolatile EEPROM memory).
