MAX30205MTA+ datasheet(1/15 Pages) MAXIM

Part #	MAX30205MTA+

Description	Human Body Temperature Sensor

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Manufacturer	MAXIM [Maxim Integrated Products]

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General Description

The MAX30205 temperature sensor accurately measures

temperature and provide an overtemperature alarm/

interrupt/shutdown output. This device converts the

temperature measurements to digital form using a high-

resolution, sigma-delta, analog-to-digital converter (ADC).

Accuracy meets clinical thermometry specification of

the ASTM E1112 when soldered on the final PCB.

Communication is through an I2C-compatible, 2-wire

serial interface.

The I2C serial interface accepts standard write byte, read

byte, send byte, and receive byte commands to read the

temperature data and configure the behavior of the open-

drain overtemperature shutdown output.

The MAX30205 features three address select lines with a

total of 32 available addresses. The sensor has a 2.7V to

3.3V supply voltage range, low 600µA supply current, and

a lockup-protected I2C-compatible interface that make it

ideal for wearable fitness and medical applications.

This device is available in an 8-pin TDFN package and

operates over the 0NC to +50NC temperature range.

Applications

● Fitness

● Medical

Benefits and Features

● High Accuracy and Low-Voltage Operation Aids

Designers in Meeting Error and Power Budgets

• 0.1°C Accuracy (37°C to 39°C)

• 16-Bit (0.00390625°C) Temperature Resolution

• 2.7V to 3.3V Supply Voltage Range

● One-Shot and Shutdown Modes Help Reduce Power

Usage

● 600μA (typ) Operating Supply Current

● Digital Functions Make Integration Easier into Any

System

• Selectable Timeout Prevents Bus Lockup

• Separate Open-Drain OS Output Operates as

Interrupt or Comparator/Thermostat Output

19-8505; Rev 0; 3/16

MAX30205

VDD

0.1µF

+2.7V TO +3.3V

4.7kΩ

A0

A1

A2

SDA

TO I2C

MASTER

SCL

OS

GND

Typical Application Circuit

MAX30205

Human Body Temperature Sensor

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