MAX6577

SOT温度传感器,周期时间/频率输出

SOT23单总线数字温度传感器


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说明

The MAX6576/MAX6577 are low-cost, low-current temperature sensors with a single-wire output. The MAX6576 converts the ambient temperature into a square wave with a period proportional to absolute temperature (°K). The MAX6577 converts the ambient temperature into a square wave with a frequency proportional to absolute temperature. The MAX6576 offers accuracy of ±3°C at +25°C, ±4.5°C at +85°C, and ±5°C at +125°C. The MAX6577 offers accuracy of ±3°C at +25°C, ±3.5°C at +85°C, and ±4.5°C at +125°C.

Both devices feature a single-wire output that minimizes the number of pins necessary to interface with a microprocessor. The period/frequency range of the output square wave can be selected by hard-wiring the two time-select pins (TS0, TS1) to either VDD or GND. The MAX6576/MAX6577 are available in space-saving 6-pin SOT23 packages.
MAX6576、MAX6577:典型工作电路 MAX6576、MAX6577:典型工作电路 放大+

关键特性

  • Simple Single-Wire Output
  • Two Output Types Available
    • Temperature to Period (µs) (MAX6576)
    • Temperature to Frequency (Hz) (MAX6577)
  • ±0.8°C Accuracy at +25°C (±3°C max)
  • No External Components
  • Operates from +2.7V to +5.5V Supply Voltage
  • Low 140µA Typical Supply Current
  • Standard Operating Temperature Range: -40°C to +125°C
  • Small 6-Pin SOT23 Package

应用

  • 电池组
  • 蜂窝电话
  • 精确的μP/μC电源监测
  • 硬盘驱动器/磁带驱动器
  • 医疗装置
  • 网络与电信设备
  • 便携式电池供电设备
Part NumberSensor TypeInterfaceChannelsAccuracy
(±°C)
Parasite Pwr.Oper. Temp.
(°C)
Package/PinsBudgetary
Price
See Notes
MAX6576 LocalPeriod µ Temp.One3No-55 to +125
SOT23/6
$1.09 @1k
MAX6577 Freq. µ Temp.
SOT23/6
$0.91 @1k
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Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。

型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C  

备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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