ADT7461AARMZ-RL7

更新时间： 2024-11-04 11:55:27

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
19页	270K
描述
Â±1â Temperature Monitor with Series Resistance Cancellation

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数据手册
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ADT7461AARMZ-RL7 数据手册

ADT7461A

+15C Temperature Monitor

with Series Resistance

Cancellation

The ADT7461A is a dual−channel digital thermometer and

undertemperature/overtemperature alarm, intended for use in PCs and

thermal management systems. It is pin− and register−compatible with the

ADM1032 and ADT7461. A feature of the ADT7461A is series

resistance cancellation, where up to 1.5 kW (typical) of resistance in

series with the temperature monitoring diode can be automatically

cancelled from the temperature result, allowing noise filtering. The

ADT7461A has a configurable ALERT output and an extended,

switchable temperature measurement range.

http://onsemi.com

The ADT7461A can measure the temperature of a remote thermal

diode accurate to 1°C and the ambient temperature accurate to 3°C.

The temperature measurement range defaults to 0°C to +127°C,

compatible with the ADM1032, but it can be switched to a wider

measurement range of −64°C to +191°C.

The ADT7461A communicates over a 2−wire serial interface,

compatible with system management bus (SMBus) standards. The

default SMBus address of the ADT7461A is 0x4C. An ADT7461A−2 is

available with an SMBus address of 0x4D. This is useful if more than one

ADT7461A is used on the same SMBus.

MSOP−8

CASE 846AB

MARKING DIAGRAM

An ALERT output signals when the on−chip or remote temperature is

out of range. The THERM output is a comparator output that allows

on/off control of a cooling fan. The ALERT output can be reconfigured

as a second THERM output, if required.

T1x

AYWG

Features

• 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

T1x = Refer to Order Info Table

= Assembly Location

= Year

= Work Week

• Automatically Cancels Up to 1.5 kW (Typ) of Resistance in Series

= Pb−Free Package

with Remote Diode to Allow Noise Filtering

• Extended, Switchable Temperature Measurement Range

0°C to +127°C (Default) or –64°C to +191°C

(Note: Microdot may be in either location)

• Pin− and Register−Compatible with ADM1032 and ADT7461

PIN ASSIGNMENT

• 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

• Small 8−Lead MSOP

SCLK

D+

D–

SDATA

ALERT/THERM2

GND

THERM

• 240 mA Operating Current, 5 mA Standby Current

• These are Pb−Free Devices

(Top View)

Applications

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 18 of this data sheet.

• Desktop and Notebook Computers

• Industrial Controllers

• Smart Batteries

• Automotive

• Embedded Systems

• Burn−In Applications

• Instrumentation

Publication Order Number:

December, 2009 − Rev. 6

ADT7461A/D

12 3 4 5 6 7...19

中文翻译

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ADT7461AARMZ-RL7 替代型号

型号	品牌	替代类型	描述	数据表
ADT7461AARMZ	ONSEMI	完全替代	Â±1â Temperature Monitor with Series Resist
ADT7461AARMZ-R	ONSEMI	完全替代	Â±1â Temperature Monitor with Series Resist
ADT7461AARMZ2RL7	ONSEMI	完全替代	±1℃ Temperature Monitor with Series Resistanc

与ADT7461AARMZ-RL7相关器件

型号	品牌	获取价格	描述	数据表
ADT7461AR	ADI	获取价格	【1∑C Temperature Monitor with Series Resistan
ADT7461AR	ONSEMI	获取价格	Â±1â Temperature Monitor with Series Resist
ADT7461ARM	ONSEMI	获取价格	Â±1â Temperature Monitor with Series Resist
ADT7461ARM	ADI	获取价格	【1∑C Temperature Monitor with Series Resistan
ADT7461ARM-REEL	ADI	获取价格	【1∑C Temperature Monitor with Series Resistan
ADT7461ARM-REEL	ONSEMI	获取价格	Â±1â Temperature Monitor with Series Resist
ADT7461ARM-REEL7	ADI	获取价格	【1∑C Temperature Monitor with Series Resistan
ADT7461ARM-REEL7	ONSEMI	获取价格	Â±1â Temperature Monitor with Series Resist
ADT7461ARMZ	ONSEMI	获取价格	Â±1â Temperature Monitor with Series Resist
ADT7461ARMZ	ADI	获取价格	IC SPECIALTY ANALOG CIRCUIT, PDSO8, LEAD FREE, MO-187-AA, MSOP-8, Analog IC:Other

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