Temperature Sensors | ADT7461A

直列抵抗キャンセル機能付き温度センサ

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Overview

ADT7461A は、PC や温度管理システムでの使用を目的としデュアルチャネル・デジタル温度計であり、低温/高温アラームでもあります。 ADM1032 および ADT7461 のピン互換とレジスタ互換があります。 ADT7461A の機能は直列抵抗キャンセルで、温度モニタ・ダイオードと直列の抵抗を最大 1.5 kΩ (標準) まで温度結果から自動でキャンセルでき、ノイズ・フィルタリングも可能です。

  • Thermal Management

  • Notebook and Desktop Computers
  • Game Consoles
  • RFID Readers
  • Graphics Cards
  • LCD TVs
  • Dishwashers

  • On-chip and remote temperature sensor
  • 0.25°C resolution/1°C accuracy on remote channel
  • 1°C resolution/1°C accuracy on local channel
  • Automatically cancels up to 1.5 kΩ (typical) of resistance in series with remote diode to allow noise filtering
  • Extended, switchable temperature measurement range 0°C to +127°C (default) or 64°C to +191°C
  • Pin- and register-compatible with ADM1032 and ADT7461
  • 2-wire SMBus 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
  • DSL Line Cards

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MSL Temp (°C)

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VCC Min (V)

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Reference Price

ADT7461AARMZ-R

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Active

CAD Model

Pb

A

H

P

Micro8

846A-02

1

260

REEL

3000

N

Local & Remote

SMBus

0.35

3

3.6

-40

125

±1

$3.3504

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信頼性データ

Die Related Summary Data

Device: ADT7461AARMZ-R

Equivalent to wafer fab process: CMOS SUB

製品技術

製品技術

等価デバイス時間

MTBF/MTTF (時間)

FITS

CMOS SUB

2

920154574

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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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