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Status

Active: In Production.

Data Sheet

FULL DATA SHEET (PDF, 124kB) Download   E-Mail

Description

The MAX6666/MAX6667 are high-accuracy, low-cost, low-power temperature sensors with a single-wire output. The MAX6666/MAX6667 convert the ambient temperature into a ratiometric PWM output with temperature information contained in the duty cycle of the output square wave. The MAX6666 has a push-pull output and the MAX6667 has an open-drain output. The MAX6666/MAX6667 operate at supply voltages from +3V to +5.5V. The typical unloaded supply current at 5.0V is 200µA. Both devices feature a single-wire output that minimizes the number of pins necessary to interface with a microprocessor (µP). The output is a square wave with a nominal frequency of 35Hz (±20%) at +25°C. The output format is decoded as follows: Temperature (°C) = 235 - (400 × t1)/t2 Where t1 is fixed with a typical value of 10ms and t2 is modulated by the temperature (Figure 1 in the full data sheet). The MAX6666/MAX6667 operate from -40° to +125° and are available in space-saving SOT23 packages.

Key Features		Applications/Uses
Simple Single-Wire PWM Output ±1.0°C Accuracy at +25°C High Accuracy ±1°C at TA = +30°C ±2.5°C at TA = +10°C to +50°C Operate Up to +125°C Low 200µA Typical Current Consumption Small SOT23 package		µP and µC Temperature Monitoring Automotive HVAC and Environmental Control Industrial Process Control

Diagram

Typical Operating Circuit

Design Guides

Thermal Management (PDF)

Reliability Reports

Show FIT data for: MAX6666 MAX6667 Request Reliability Report for: MAX6666 MAX6667

Software/Models

none

Ordering Information

Notes: Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.

Devices: 1-8 of 8

MAX6666	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX6666AUT-T			Active	SOT;6 pin;9 mm² Outline Drawing: 21-0058 (PDF) Land Pattern: 90-0175 (PDF) Use pkgcode/variation: U6F-6*	-40°C to +125°C	RoHS/Lead-Free: No Materials Analysis
MAX6667	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX6667ASA			Active	SOIC(N);8 pin;30.9 mm² Outline Drawing: 21-0041 (PDF) Land Pattern: 90-0096 (PDF) Use pkgcode/variation: S8-2*	-40°C to +125°C	RoHS/Lead-Free: No Materials Analysis
MAX6667ASA-T			Active	Land Pattern: Not Available	-40°C to +125°C	See data sheet
MAX6667AUT			Active	SOT;6 pin;9 mm² Outline Drawing: 21-0058 (PDF) Land Pattern: 90-0175 (PDF) Use pkgcode/variation: U6F-6*	-40°C to +125°C	RoHS/Lead-Free: No Materials Analysis
MAX6667AUT-T			Active	SOT;6 pin;9 mm² Outline Drawing: 21-0058 (PDF) Land Pattern: 90-0175 (PDF) Use pkgcode/variation: U6F-6*	-40°C to +125°C	RoHS/Lead-Free: No Materials Analysis
MAX6667ATT+T			Active	Land Pattern: Not Available	-40°C to +125°C	See data sheet
MAX6667AUA			Active	µMAX;8 pin;16.2 mm² Outline Drawing: 21-0036 (PDF) Land Pattern: 90-0092 (PDF) Use pkgcode/variation: U8-1*	-40°C to +125°C	RoHS/Lead-Free: No Materials Analysis
MAX6667AUA-T			Active	µMAX;8 pin;16.2 mm² Outline Drawing: 21-0036 (PDF) Land Pattern: 90-0092 (PDF) Use pkgcode/variation: U8-1*	-40°C to +125°C	RoHS/Lead-Free: No Materials Analysis

More Information

Topmark Coding: MAX6666 MAX6667 New Product Press Release 2001-10-02  Temperature Family by Product Type

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