DS1624

Digital Thermometer and Memory

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Status Explanations for product status codes

Part Number Status
DS1624 Active: In Production. See Ordering Information for details.

Description

The DS1624 consists of two separate functional units: 1) a 256-byte nonvolatile E2 memory and 2) a direct-to-digital temperature sensor.
The nonvolatile memory is made up of 256 bytes of E2 memory. This memory can be used to store any type of information the user wishes. These memory locations are accessed through the 2-wire serial bus.
The direct-to-digital temperature sensor allows the DS1624 to measure the ambient temperature and report the temperature in a 12-bit word with 0.0625°C resolution. The temperature sensor and its related registers are accessed through the 2-wire serial interface. Figure 1 in the full data sheet shows a block diagram of the DS1624.

Data Sheet

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Key Features

  • Temperature measurements require no external components
  • Measures temperatures from -55°C to +125°C in 0.0625°C increments
  • Temperature is read as a 12-bit value (two byte transfer)
  • Converts temperature to digital word in 200ms (max)
  • 256 bytes of E² memory on board for storing information such as frequency compensation coefficients
  • Data is read from/written via a 2-wire serial interface (open drain I/O lines)
  • 8-pin DIP or SOIC packages
   
   

Key Specifications:

Temperature Sensors
Part Number Sensor Type Functions Interface Accuracy
(±°C)
Parasite Pwr. Temp. Resolution
(bits)
Multi Droppable Oper. Temp.
(°C)
Budgetary
Price
See Notes
DS1624  Local Memory 2-Wire/I2C/SMBus 0.5 No 13 Yes -55 to +125 $3.86 @1k
See All Temperature Sensors (111)

Pricing Notes:

This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.



Diagram

DS1624: Functional Block Diagram
Functional Block Diagram

More Information

New Product Press Release   2001-05-02 ]
Temperature Family by Product Type

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Document Ref.: 19-6288 Rev 4; 2014-01-09
This page last modified: 2014-01-09