One stop electronic component supply ADT7461ARMZ-R7 Temperature Monitor with Series Resistance Cancellation 8b 8-MSOP

Manufacturer

Manufacturer Product Number

ADT7461ARMZ-R7

Description

Temp Sensor Digital Serial (2-Wire, SMbus) 8-Pin Micro T/R

Package Condition

T/R

Datasheet

ADT7461ARMZ-R7

Product Details
Reviews

Product Descriptions

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 k (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.

The SMBus address of the ADT7461 is 0x4C.

Product Features

• 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 k (Typ) of Resistance in Series with Remote Diode to Allow Noise Filtering

• Extended, Switchable Temperature Measurement Range 0°C to +127°C (Default) or –55°C to +150°C

• Pin- and Register-Compatible with the ADM1032

• 2-wire SMBus Serial Interface with SMBus Alert Support

• ADT7461 SMBus Address is 0x4C

• Programmable Over/Undertemperature Limits

• Offset Registers for System Calibration

• Up to Two Overtemperature Fail−Safe THERM Outputs

• Small 8-lead SOIC NB or 8-lead MSOP Packages

• 170 uA Operating Current, 5.5 uA Standby Current

• These are Pb-Free Devices*

Product Applications

• Desktop and Notebook Computers

• Industrial Controllers

• Smart Batteries

• Embedded Systems

• Instrumentation

Specifications

Attribute	Attribute value
ANSM-Part#	ANSM-ADT7461ARMZ-R7
Category	Sensors, Transducers
	Temperature Sensors
	Analog and Digital Output
Mfr	onsemi
Series	-
Package	Tape & Reel (TR)
	Cut Tape (CT)
	Digi-Reel®
Product Status	Active
Sensor Type	Digital, Local/Remote
Sensing Temperature - Local	-40°C ~ 120°C
Sensing Temperature - Remote	-55°C ~ 150°C
Output Type	SMBus
Voltage - Supply	3V ~ 5.5V
Resolution	8 b
Features	One-Shot, Output Switch, Programmable Limit, Standby Mode
Accuracy - Highest (Lowest)	±3°C
Test Condition	-40°C ~ 100°C
Operating Temperature	-40°C ~ 120°C
Mounting Type	Surface Mount
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package	8-MSOP
Base Product Number	ADT7461