MAX6635MSA+ by Analog Devices

12-Bit Plus Sign Temperature Sensors with SMBus/I²C-Compatible Serial Interface


The MAX6633/MAX6634/MAX6635 combine a temperature sensor, a programmable overtemperature alarm, and an SMBus™/I²C-compatible serial interface into a single package. They convert their die temperatures into digital values using internal analog-to-digital converters (ADCs). The result of the conversion is then held in a temperature register as a 12-bit + sign value, allowing 0.0625°C resolution, readable at any time through the serial interface. The devices are capable of reading temperatures up to +150°C. The MAX6633/MAX6634/MAX6635 feature a shutdown mode that saves power by turning off everything except the power-on reset (POR) and the serial interface. The devices can be configured to separate addresses, allowing multiple devices to be used on the same bus. The MAX6633 has four address pins, allowing up to 16 devices to be connected to a single bus. The MAX6634 has three address pins, allowing up to eight devices to be connected to a single bus. The MAX6635 has two address pins, allowing up to four devices to be connected to a single bus. The MAX6633/MAX6634/MAX6635 make temperature data available for transfer over the serial interface. The MAX6634 incorporates a dual-mode active-low ALERT output (open drain) and can serve as an upgraded alternative to the LM75. The MAX6635 includes an active-low ALERT output and an active-low OVERT output (both open drain) and can function as an upgraded replacement for the LM76 in most applications. The MAX6634/MAX6635 feature user-programmable temperature thresholds. All three devices come in an 8-pin SO package.

Where to Buy

Prices starting from US$2.19

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RS
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Analog Devices
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Newark Electronics
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Features

+3V to +5.5V Supply Range
Accuracy ±1°C max (0°C to +50°C) ±1.5°C max (-20°C to +85°C) ±2.5°C max (-40°C to +125°C) ±2.5°C typ (+150°C)
±1°C max (0°C to +50°C)
±1.5°C max (-20°C to +85°C)
±2.5°C max (-40°C to +125°C)
±2.5°C typ (+150°C)
User-Programmable Temperature Thresholds (MAX6634/MAX6635)
User-Configurable Alarm Output(s) (MAX6634/MAX6635)
Ability to Respond to SMBus/I²C-Compatible Alert Response Address (MAX6634/MAX6635)
Active-Low OVERT Output for System Shutdown (MAX6635)
Multiple Devices per Bus 16 devices (MAX6633) 8 devices (MAX6634) 4 devices (MAX6635)
16 devices (MAX6633)
8 devices (MAX6634)
4 devices (MAX6635)

Specifications

Sensor Type Local
# Channels One
Interface 2-Wire/I2C/SMBus
Alarm Output AlertOvert
Accuracy (±°C) 1
Parasite Pwr. No
Temp. Thresh. Programmable
Temp. Resolution (bits) 13
Oper. Temp. (°C) -55 to +150
Package/Pins SOIC (N)/8
BudgetaryPrice (See Notes) 1.73


MAX6635MSA+ Sensors & Transducers by Analog Devices

TEMPERATURE SENSOR 1DEG C NSOIC-8

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

IC Output Type Digital
Sensing Accuracy Range ± 1°C
Sensing Temperature Min -55°C
Sensing Temperature Max 150°C
Sensor Case Style NSOIC
No. of Pins 8Pins
Supply Voltage Min 3V
Supply Voltage Max 5.5V
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

12-Bit Temp Sensors SMBus/I2C Serial | RS
12-Bit Plus Sign Temperature S | Analog Devices
Temperature Sensor, 1Deg C, Nsoic-8 | Newark Electronics
TEMPERATURE SENSOR, 1DEG C, NSOIC-8 | element14

Frequently Asked Questions

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Is the MAX6635MSA+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including RS, Analog Devices, Newark Electronics, element14 and Farnell have stock available or on a lead time for MAX6635MSA+ .

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