DS1821S+

**DS1821S+ – Digital Temperature Sensor with 1-Wire Interface – Analog Devices**

The DS1821S+ from Analog Devices is a precision digital temperature sensor designed for accurate environmental monitoring in space-constrained applications. Featuring a compact 8-SOIC package and a wide operating voltage range, this sensor delivers reliable temperature data with minimal power consumption. PCX ensures genuine Analog Devices components with rapid shipping and dedicated technical support.

**Key Features:**
– **Digital Output:** 1-Wire® serial interface for simplified system integration
– **Wide Temperature Range:** Measures -55°C to +125°C locally
– **High Accuracy:** ±1°C precision (0°C to 85°C test conditions)
– **Low Voltage Operation:** 2.7V to 5.5V supply range
– **Advanced Functionality:** Programmable limits, one-shot conversion, and standby mode
– **Surface-Mount Design:** 8-SOIC package (5.30mm width) for PCB integration

**Technical Details:**
This digital temperature sensor provides 8-bit resolution through its 1-Wire® protocol, reducing wiring complexity. It includes configurable features like an output switch for thermostat control and programmable temperature alarms. Engineered for harsh environments, it operates across a full industrial temperature range (-55°C to +125°C). The device is supplied in tube packaging, ensuring safe handling during assembly.

**Common Applications:**
– Industrial control systems
– Environmental monitoring equipment
– HVAC and thermal management
– Medical diagnostic devices
– Server/rack temperature sensing

**About Analog Devices:**
Analog Devices is a global leader in high-performance semiconductor solutions, renowned for innovation in data conversion, signal processing, and sensor technologies. Their acquisition of Maxim Integrated further strengthened their portfolio in precision sensing and power management.

For over 50 years, Analog Devices has set industry benchmarks for reliability and quality, serving sectors from automotive to healthcare. Their components undergo rigorous testing, ensuring consistent performance in critical applications worldwide.

**About Temperature Sensors:**
Temperature sensors are vital components in electronic systems, converting thermal data into actionable signals for control or safety. Digital sensors like the DS1821S+ offer superior noise immunity and simpler calibration compared to analog alternatives.

These devices enable real-time thermal monitoring in applications ranging from consumer electronics to industrial automation. Features like programmable thresholds allow proactive system adjustments, preventing overheating and enhancing product longevity.

**Packaging Options:**
Available in tube packaging for automated assembly processes.

**FAQs:**
**Q: What is the accuracy of the DS1821S+?**
A: ±1°C within the 0°C to 85°C range, per datasheet specifications.

**Q: Can this sensor trigger an alert if temperatures exceed limits?**
A: Yes, its programmable limit feature activates the integrated output switch when thresholds are breached.

**Q: Is the 1-Wire® interface compatible with microcontrollers?**
A: Absolutely – it uses a single data line, making it ideal for MCUs with limited I/O pins.

**Q: What voltage does it require?**
A: Operates from 2.7V to 5.5V, suitable for battery-powered devices.

**Q: Does it support low-power modes?**
A: Yes, standby mode minimizes current draw when not actively measuring.

**Q: Is the DS1821S+ RoHS compliant?**
A: All Analog Devices components meet current RoHS standards.

**Order today for fast delivery!** Limited stock available – contact PCX for datasheet access and volume pricing.

*Note: Product images are representational. Refer to datasheet for exact specifications.*