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MAXIM INTEGRATED / ANALOG DEVICES DS1621 Digital Thermometer

The DS1621+ is a digital thermometer and thermostat module that provides 9-bit temperature readings, indicating the current temperature. It features a thermal alarm output (TOUT) that activates when the temperature exceeds a user-defined high threshold and remains active until the temperature drops below a user-defined low threshold, with hysteresis. The device stores configuration settings in non-volatile memory, allowing pre-programming before system integration. Communication with the DS1621+ is conducted over a simple two-wire serial interface, suitable for various applications including automation, industrial control, medical devices, networking equipment, consumer electronics, and test measurement systems.

Authorized Distributors
Source:Newark
Part No:DS1621+
Stock:848
Inv Date:06-05-2026
Price: Unit price: $10.28
Buy/RFQ:
Source:DigiKey
Part No:DS1621+
Stock:1634
Inv Date:06-05-2026
Price: Unit price: $10.66
Buy/RFQ:
Part No:DS1621+
Stock:124
Inv Date:06-06-2026
Price: Unit price: $9.98
Buy/RFQ:

MAXIM INTEGRATED / ANALOG DEVICES DS1621 Digital Thermometer Specifications:

  • Temperature measurement range: -55°C to +125°C in 0.5°C increments
  • Temperature reading accuracy: within a few degrees depending on conditions
  • Output type: Digital 9-bit temperature data
  • Thermal alarm active when temperature exceeds user-defined high threshold
  • Alarm remains active until temperature drops below low threshold, with hysteresis
  • Memory: Non-volatile configuration storage for pre-programmed settings
  • Communication interface: 2-wire serial (I2C compatible)
  • Supply voltage: 2.7V to 5.5V
  • Power consumption: Low-power idle mode, active during temperature conversion
  • Package options: 8-pin DIP or SO packages for compact integration

Buy the Maxim Series DS1621 Temperature Sensor: DS1621

Order the Maxim DS1621 digital thermometer and thermostat module online today. Featuring 9-bit temperature sensing, a thermal alarm, nonvolatile configuration, and simple two-wire communication, this device is ideal for industrial controls, medical devices, and automation systems. Its compact design and low power consumption ensure easy integration into various applications. Pre-program settings before installation to optimize performance and system reliability. Purchase now for accurate temperature monitoring and dependable thermostat functionality in your engineering solutions.

Get Maxim DS1621 today—built for precision temperature measurement and reliable thermostat control in industrial and consumer systems.

Frequently Asked Questions

Where can I buy MAXIM INTEGRATED / ANALOG DEVICES DS1621?

You can click on the BUY or RFQ button to purchase DS1621 from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.

How do I troubleshoot issues or seek technical support for part DS1621?

You can download the DS1621 datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

Who is the manufacturer of DS1621?

MAXIM INTEGRATED / ANALOG DEVICES

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