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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

产品详情

主要特征

Parametric specs for Temperature Sensors
Sensor Type Local
# Channels One
Interface Freq. µ Temp.
Accuracy (±°C) 3
Parasite Pwr. No
Oper. Temp. (°C) -55 to +125
Package/Pins SOT23/6
Budgetary
Price (See Notes)
0.97
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参量

Parametric specs for Temperature Sensors
Sensor Type Local
# Channels One
Interface Freq. µ Temp.
Accuracy (±°C) 3
Parasite Pwr. No
Oper. Temp. (°C) -55 to +125
Package/Pins SOT23/6
Budgetary
Price (See Notes)
0.97

主要特征

  • 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/用途

  • 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

描述

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.

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MAX6576、MAX6577:典型工作电路 MAX6576、MAX6577:典型工作电路 Zoom icon

Technical Docs

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