SCL

SDA

THERM

D+

D-

V+

GND

ALERT/THERM2

6 x I

16 x I

Internal

BJT

ADC

Control Logic

TMP461

Register Bank

Serial Interface

Oscillator

I

A0

A1

9

TMP461

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SBOS722B – JUNE 2015 – REVISED AUGUST 2016

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8 Detailed Description

8.1 Overview

The TMP461 device is a digital temperature sensor that combines a local temperature measurement channel

and a remote-junction temperature measurement channel in a single WQFN-10 package. The device is two-wire-

and SMBus-interface-compatible with nine pin-programmable bus address options, and is specified over a

temperature range of –40°C to 125°C. The TMP461 device also contains multiple registers for programming and

holding configuration settings, temperature limits, and temperature measurement results.

8.2 Functional Block Diagram