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DS1922E Datasheet(PDF) 1 Page - Maxim Integrated Products |
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DS1922E Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 44 page General Description The DS1922E temperature logger iButton® is a rugged, self-sufficient system that measures temperature and records the result in a protected memory section. The recording is done at a user-defined rate. A total of 8192 8-bit readings or 4096 16-bit readings, taken at equidis- tant intervals ranging from 1s to 273hr, can be stored. Additionally, 576 bytes of SRAM store application-spe- cific information. A mission to collect data can be pro- grammed to begin immediately, after a user-defined delay, or after a temperature alarm. Access to the memory and control functions can be password pro- tected. The DS1922E is configured and communicates with a host-computing device through the serial 1-Wire® protocol, which requires only a single data lead and a ground return. Every DS1922E is factory lasered with a guaranteed unique 64-bit registration number that allows for absolute traceability. The durable stainless- steel package is highly resistant to environmental haz- ards such as dirt, moisture, and shock. Applications High-Temperature Logging (Process Monitoring, Industrial Temperature Monitoring) Steam Sterilization Features ♦ Automatically Wakes Up, Measures Temperature, and Stores Values in 8KB of Data-Log Memory in 8- or 16-Bit Format ♦ Digital Thermometer Measures Temperature with 8-Bit (0.5°C) or 11-Bit (0.0625°C) Resolution ♦ Temperature Accuracy: ±1.5°C from +110°C to +140°C, ±7°C typical from +15°C to +110°C ♦ Water Resistant or Waterproof if Placed Inside DS9107 iButton Capsule (Exceeds Water Resistant 3 ATM Requirements) ♦ Sampling Rate from 1s Up to 273hr ♦ Programmable High and Low Trip Points for Temperature Alarms ♦ Programmable Recording Start Delay After Elapsed Time or Upon a Temperature Alarm Trip Point ♦ Quick Access to Alarmed Devices Through 1-Wire Conditional Search Function ♦ 576 Bytes of General-Purpose Memory ♦ Two-Level Password Protection of All Memory and Configuration Registers ♦ Communicates to Host with a Single Digital Signal Up to 15.4kbps at Standard Speed or Up to 125kbps in Overdrive Mode Using 1-Wire Protocol ♦ Operating Temperature Range: +15°C to +140°C Common iButton Features ♦ Digital Identification and Information by Momentary Contact ♦ Unique Factory-Lasered 64-Bit Registration Number Ensures Error-Free Device Selection and Absolute Traceability Because No Two Parts Are Alike ♦ Built-In Multidrop Controller for 1-Wire Net ♦ Chip-Based Data Carrier Compactly Stores Information ♦ Data Can Be Accessed While Affixed to Object ♦ Button Shape is Self-Aligning with Cup-Shaped Probes ♦ Durable Stainless-Steel Case Engraved with Registration Number Withstands Harsh Environments ♦ Easily Affixed with Self-Stick Adhesive Backing, Latched by Its Flange, or Locked with a Ring Pressed Onto Its Rim ♦ Presence Detector Acknowledges When Reader First Applies Voltage ♦ Meets UL 913, 5th Ed., Rev. 1997-02-24; Intrinsically Safe Apparatus: Approved Under Entity Concept for Use in Class I, Division 1, Group A, B, C, and D Locations* High-Temperature Logger iButton with 8KB Data-Log Memory ________________________________________________________________ Maxim Integrated Products 1 Ordering Information * Application pending. 19-4646; Rev 3; 4/11 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. # Denotes a RoHS-compliant device that may include lead(Pb) that is exempt under the RoHS requirements. Pin Configuration appears at end of data sheet. PART TEMP RANGE PIN-PACKAGE DS1922E-F5# +15°C to +140°C F5 iButton Examples of Accessories iButton and 1-Wire are registered trademarks of Maxim Integrated Products, Inc. PART ACCESSORY DS9093RA Mounting Lock Ring DS9107 iButton Capsule DS9490B USB to 1-Wire Adapter |
Similar Part No. - DS1922E_11 |
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Similar Description - DS1922E_11 |
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