±1°C 温度监控器,有串联电阻抑制和可寻址能力

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NCT214 是一款双沟道数字式温度计和低温/高温警报器,适用于 PC 和热管理系统。它可与 ADM1032 和 ADT7461 实现寄存器兼容。NCT214 具有串联电阻抑制功能,可从温度结果中自动消除温度监控二极管高达 1.5 kΩ(典型值)的串联电阻,从而滤除噪声。NCT214 有一个可配置的 /ALERT 输出,以及可切换的宽广温度测量范围。NCT214 的远程热二极管温度测量准确度为 ±1°C,环境温度测量准确度为 ±3°C。温度测量范围默认为 0°C 至 +127°C,与 ADM1032 兼容,但它可以切换为更宽的测量范围 -64°C 至 +191°C。NCT214 通过 2 线串行接口进行通信,符合系统管理总线 (SMBus/I2C) 标准。NCT214 具有两个地址引脚,最多可允许同一个总线上使用 9 个 NCT214。当片上或远程温度超出范围时,/ALERT 输出会发出信号。/THERM 输出是一个比较器输出,可以控制冷却风扇的开关。如果需要,可以将 /ALERT 输出重新配置为次级 /THERM 输出。

  • Thermal Management
  • Desktop Computers
  • Servers
  • On-Chip and Remote Temperature Sensor
  • ±.25°C Resolution/1°C Accuracy on Remote Channel
  • 1°C Resolution/1°C Accuracy on Local Channel
  • Series Resistance Cancellation Up to 1.5kΩ
  • Extended, Switchable Temperature Measurement Range 0°C to +127°C (Default) or -64°C to +191°C
  • Register-Compatible with ADM1032 and ADT7461
  • 2-Wire SMBus/I2C Serial Interface with SMBus Alert Support
  • Programmable Over/Undertemperature Limits
  • Offset Registers for System Calibration
  • Up to Two Overtemperature Fail-Safe /THERM Outputs
  • 240 µA Operating Current, 5 µA Standby Current

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NCT214MT3R2G

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Active

CAD Model

Pb

A

H

P

WDFN-10

3

260

REEL

3000

N

Local & Remote

SMBus

0.35

3

3.6

-40

125

±1

$1.0533

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