Temperature Sensors | ADT7461

带串联电阻抵消的温度传感器

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概览

ADT7461 是一款双沟道数字温度计和温度过低/过高报警器，用于 PC 和热管理系统。它可与 ADM1032 实现引脚和寄存器兼容。ADT7461 具有三个附加功能：串联电阻抵消（可自动从温度结果中抵消与温度监控二极管串联的最大 3 kΩ（典型值）的电阻，因此实现噪声滤波）；可配置的 ~ALERT 输出；以及扩展的可切换温度测量范围。

  • Thermal Management

  • Notebook and Desktop Computers
  • Game Consoles
  • RFID Readers
  • DSL Line Cards

  • On-chip and Remote Temperature Sensor
  • 0.25°C Resolution/1°C Accuracy on Remote Channel
  • 1°C Resolution/3°C Accuracy on Local Channel
  • Automatically Cancels up to 3 kΩ (typical) of Resistance in Series with Remote Diode to Allow Noise Filtering
  • 2-wire SMBus Serial Interface with SMBus Alert Support
  • Programmable Over/Under Temperature Limits
  • Up to Two Over Temperature Fail-safe THERM Outputs
  • 170 µA Operating Current, 5.5 µA Standby Current

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Case Outline

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MSL Temp (°C)

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ICC Max (mA)

VCC Min (V)

VCC Max (V)

T Min (°C)

T Max (°C)

Temperature Error (°C)

Reference Price

ADT7461ARMZ-R7

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CAD Model

Pb

A

H

P

Micro8

846A-02

1

260

REEL

1000

Y

Local & Remote

SMBus

0.215

3

5.5

-40

125

±1

$2.4247

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ADT7461ARZ-REEL

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Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

Y

Local & Remote

SMBus

0.215

3

5.5

-40

125

±1

$2.4247

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可靠性数据

Die Related Summary Data

Device: ADT7461ARMZ-R7

Equivalent to wafer fab process: CMOS SUB

产品技术

产品技术

等效器件小时

平均故障间隔时间/平均无故障时间（按小时计算）

FITS

CMOS SUB

2

920154574

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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