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DS1825U+T&R

温度传感器芯片, 数字式, ± 2°C, -55 °C, 125 °C, µMAX, 8 引脚

MAXIM INTEGRATED PRODUCTS DS1825U+T&R
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制造商产品编号:
DS1825U+T&R
库存编号
2514452
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产品概述

The DS1825U+T&R is a programmable resolution 1-wire digital thermometer with 4bit ID in 8 pin µMAX package. It provides 9bit to 12bit centigrade temperature measurements and has an alarm function with NV user programmable upper and lower trigger points. The DS1825 communicates over 1-wire bus that by definition requires only one data line (and ground) for communication with central microprocessor. It has an operating temperature range of -55°C to +125°C (2°C accuracy) and is accurate to ±0.5°C over the range of -10°C to +85°C. In addition, the DS1825 can derive power directly from the data line (parasite power) by eliminating the need for an external power supply. Each DS1825 has a unique 64bit serial code which allows multiple DS1825 devices to function on same 1-wire bus thus it is simple to use one microprocessor to control many DS1825s distributed over a large area.
  • Supply voltage range from 3V to 3.7V
  • Unique 1-wire interface requires only one port pin for communication
  • Multidrop capability simplifies distributed temperature sensing applications
  • 4 pin programmable bits to uniquely identify up to 16 sensor locations on bus
  • Requires no external components
  • Converts temperature to 12bit digital word in 750ms (maximum)
  • User definable (NV) alarm settings
  • Alarm search command identifies & addresses devices whose temperature is outside programmed limits
  • Standby current of 500nA, active current of 0.65mA and sink current of 4mA
  • 2ms NV write cycle time, 50K EEPROM writes and 10 years EEPROM data retention (-55°C to +55°C)

应用

传感与仪器, 工业, 消费电子产品

警告

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

产品信息

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:
数字式

:
± 2°C

:
-55°C

:
125°C

:
µMAX

:
8引脚

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3V

:
3.7V

:
-

:
-

:
MSL 1 -无限制
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技术文档 (2)

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14 UK 有库存,可在 4-5 个工作日内交货

CNY31.30 ( CNY35.37  含增值税)

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