ADT7461AARMZ-R Thermal Management by ON Semiconductor

Temperature Sensor with Series Resistance Cancellation

Status: Active
Series: ADT7461A
RoHS: Compliant
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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 the ADT7461. A feature of the ADT7461A is series resistance cancellation, where up to 1.5 kΩ (typical) of resistance in series with the temperature monitoring diode can be automatically cancelled from the temperature result, allowing noise filtering.

Where to Buy

Prices starting from US$3.09

Distributor Stock
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Farnell
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Newark Electronics
from US$3.09
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Future Electronics
from US$3.22
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Avnet America
from US$3.37
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Avnet Asia
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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
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
Applications
Thermal Management
Game Consoles
Graphics Cards
Dishwashers
End Products
Notebook and Desktop Computers
RFID Readers
LCD TVs

Specifications

Description ADT7461A
Compliance Pb-free Halide free
Sensor Type Local & Remote
Data Transmission Standard SMBus
ICC Max (mA) 0.35
VCC Min (V) 3
VCC Max (V) 3.6
T Min (°C) -40
T Max (°C) 125
Temperature Error (°C) ±1
Package Type Micro8

Alternative Descriptions

Temperature Sensor, 0Bit, 2.5C, Msop, Full Reel | Newark Electronics
ADT7461A: â–’1â–‘C 5.5 V Temperature Monitor with Series Resistance Cancellation | Future Electronics
Temp Sensor Digital Serial (2-Wire) 8-Pin MSOP T/R | Avnet America
TEMP SENSOR, OPEN DRAIN, MSOP-8 | Farnell


Frequently Asked Questions

Where can I find additional details, specifications and documents for a ADT7461AARMZ-R?

Additional datasheets, footprints and schematics for ADT7461AARMZ-R are listed on our Part Details page. You can also find images and similar parts to ADT7461AARMZ-R on this page.

What pricing and inventory information can I view?

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What category does ADT7461AARMZ-R fall under?

The ADT7461AARMZ-R is listed under Sensors > Thermal Management > Temperature Sensors.

Can I view similar or alternative parts?

You can view similar parts to ADT7461AARMZ-R when available in the Temperature Sensors range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

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Is the ADT7461AARMZ-R RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by ON Semiconductor.

Which authorised distributors for ADT7461AARMZ-R have stock available?

Authorised distributors including Newark Electronics, Future Electronics, Avnet America, Farnell and Avnet Asia have stock available or on a lead time for ADT7461AARMZ-R.

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