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ADT7461ARZ-REEL

更新时间： 2024-11-04 11:46:47

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
20页	277K
描述
Â±1â Temperature Monitor with Series Resistance Cancellation

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中文翻译

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数据手册
替代型号

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ADT7461ARZ-REEL 数据手册

ADT7461

+15C Temperature Monitor

with Series Resistance

Cancellation

The ADT7461 is a dual-channel digital thermometer and under/over

temperature alarm intended for use in PCs and thermal management

systems. It is pin- and register-compatible with the ADM1032. The

ADT7461 has three additional features: series resistance cancellation

(where up to 3 kW (typical) of resistance in series with the temperature

monitoring diode may be automatically cancelled from the temperature

result, allowing noise filtering); configurable ALERT output; and an

extended, switchable temperature measurement range. The ADT7461

can accurately measure the temperature of a remote thermal diode to

1°C and the ambient temperature to 3°C. The temperature

measurement range defaults to 0°C to +127°C, compatible with the

ADM1032, but can be switched to a wider measurement range of −55°C

to +150°C. The ADT7461 communicates over a 2-wire serial interface

compatible with system management bus (SMBus) standards. 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.

http://onsemi.com

MARKING

DIAGRAMS

ADT74

61A

#YWW

SOIC−8

CASE 751

ADT7461A = Device Code

= Pb−Free Package

= Year

= Work Week

The SMBus address of the ADT7461 is 0x4C. An ADT7461-2 is also

available, which uses SMBus Address 0x4D.

T1x

AYWG

FEATURES

MSOP−8

CASE 846AB

• 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 kW (Typ) of Resistance in Series with

Remote Diode to Allow Noise Filtering

T1x = Refer to Order Info Table

= Assembly Location

= Year

• Extended, Switchable Temperature Measurement Range

= Work Week

0°C to +127°C (Default) or –55°C to +150°C

= Pb−Free Package

• Pin− and Register−Compatible with the ADM1032

• 2−Wire SMBus Serial Interface with SMBus Alert Support

• Two SMBus Address Versions Available:

♦ ADT7461 SMBus Address is 0x4C

♦ ADT7461-2 SMBus Address is 0x4D

• Programmable Over/Undertemperature Limits

• Offset Registers for System Calibration

• Up to Two Overtemperature Fail−Safe THERM Outputs

• Small 8−Lead SOIC or 8−Lead MSOP Packages

• 170 mA Operating Current, 5.5 mA Standby Current

• These are Pb−Free Devices

(Note: Microdot may be in either location)

PIN ASSIGNMENT

SCLK

D+

D–

SDATA

ALERT/THERM2

GND

THERM

(Top View)

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 18 of this data sheet.

APPLICATIONS

• Desktop and Notebook Computers

• Industrial Controllers

• Smart Batteries

• Embedded Systems

• Instrumentation

Publication Order Number:

December, 2009 − Rev. 6

ADT7461/D

12 3 4 5 6 7...20

中文翻译

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ADT7461ARZ-REEL 替代型号

型号	品牌	替代类型	描述	数据表
ADM1032AR-REEL7	ONSEMI	完全替代	SPECIALTY ANALOG CIRCUIT, PDSO8, MS-012AA, SOIC-8
ADT7461ARMZ-R7	ONSEMI	完全替代	Â±1â Temperature Monitor with Series Resist
ADM1032ARZ-REEL	ONSEMI	类似代替	Â±1â Remote and Local System Temperature Mo

与ADT7461ARZ-REEL相关器件

型号	品牌	获取价格	描述	数据表
ADT7461ARZ-REEL7	ONSEMI	获取价格	Â±1â Temperature Monitor with Series Resist
ADT7461ARZ-REEL7	ADI	获取价格	IC SPECIALTY ANALOG CIRCUIT, PDSO8, LEAD FREE, MS-012-AA, SOIC-8, Analog IC:Other
ADT7462	ADI	获取价格	Flexible Temperature and Voltage Monitor and System Fan Controller
ADT7462	ONSEMI	获取价格	Flexible Temperature, Voltage Monitor, and System Fan Controller
ADT7462ACPZ-500RL7	ADI	获取价格	Flexible Temperature and Voltage Monitor and System Fan Controller
ADT7462ACPZ-5RL7	ONSEMI	获取价格	Flexible Temperature, Voltage Monitor, and System Fan Controller
ADT7462ACPZ-R7	ONSEMI	获取价格	Flexible Temperature, Voltage Monitor, and System Fan Controller
ADT7462ACPZ-REEL	ONSEMI	获取价格	Flexible Temperature, Voltage Monitor, and System Fan Controller
ADT7462ACPZ-REEL	ADI	获取价格	Flexible Temperature and Voltage Monitor and System Fan Controller
ADT7462ACPZ-REEL7	ADI	获取价格	Flexible Temperature and Voltage Monitor and System Fan Controller

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