Rainbow-electronics MAX6673 User Manual download pdf

General Description

The MAX6672/MAX6673 are low-current temperature

sensors with a single-wire output. These temperature

sensors convert the ambient temperature into a 1.4kHz

PWM output, which contains the temperature informa-

tion in its duty cycle. The MAX6672 has an open-drain

output and the MAX6673 has a push-pull output.

The MAX6672/MAX6673 operate from 2.4V to 5.5V with

a maximum supply current of 150µA. Both devices fea-

ture a single-wire output that minimizes the number of

pins necessary to interface with a microprocessor.

The MAX6672/MAX6673 are available in 5-pin SC70

packages.

Applications

Industrial and Process Control

HVAC

Automotive

Environmental Control

Isolated Temperature Sensing

Features

♦ Simple Single-Wire PWM Output

♦ Tiny SC70 Package

♦ Low 60µA (typ) Supply Current Consumption

♦ 1.4kHz Nominal Frequency

♦ Choice of Outputs

Open Drain (MAX6672)

Push-Pull (MAX6673)

♦ 2.4V to 5.5V Supply Range

MAX6672/MAX6673

PWM Output Temperature Sensors

in SC70 Packages

________________________________________________________________ Maxim Integrated Products 1

N.C.

GNDGND

15V

DOUT

MAX6672

MAX6673

SC70

TOP VIEW

Pin Configuration

GND

GPIO TO CONTROL

SHUTDOWN

INPUT TO TIMER/

COUNTER

0.1µF

MAX6672

MAX6673

µC

* PULLUP RESISTOR REQUIRED ONLY FOR THE MAX6672.

Typical Application Circuit

19-2458; Rev 0; 10/02

Ordering Information

PART TEMP RANGE

PIN-

PACKAGE

TOP

MARK

M A X6 6 7 2AX K- T -40°C to +125°C 5 SC70-5 ACQ

M A X6 6 7 3AX K- T -40°C to +125°C 5 SC70-5 ACR

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

1 2 3 4 5 6

MAX6672/MAX6673 1

Summary of Contents

Page 1 - MAX6672/MAX6673

General DescriptionThe MAX6672/MAX6673 are low-current temperaturesensors with a single-wire output. These temperaturesensors convert the ambient temp

Page 2

MAX6672/MAX6673PWM Output Temperature Sensors in SC70 Packages2 ______________________________________________________________________________________

Page 3

MAX6672/MAX6673PWM Output Temperature Sensors in SC70 Packages_______________________________________________________________________________________

Page 4

Detailed DescriptionThe MAX6672/MAX6673 are low-current (60µA, typ),local temperature sensors ideal for interfacing with µCsor µPs. The MAX6672/MAX667

Page 5

MAX6672/MAX6673PWM Output Temperature Sensors in SC70 Packages_______________________________________________________________________________________

Page 6

SC70, 5L.EPSMAX6672/MAX6673PWM Output Temperature Sensors in SC70 PackagesMaxim cannot assume responsibility for use of any circuitry other than circu

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Rainbow-electronics MAX6673 User Manual

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Summary of Contents

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