MAX6627MTA+T by Analog Devices

Remote ±1°C Accurate Digital Temperature Sensors with SPI-Compatible Serial Interface


The MAX6627/MAX6628 precise digital temperature sensors report the temperature of a remote sensor. The remote sensor is a diode-connected transistor, typically a low-cost, easily mounted 2N3904 NPN type that replaces conventional thermistors or thermocouples. The MAX6627/MAX6628 can also measure the die temperature of other ICs, such as microprocessors (µPs) or microcontrollers (µCs) that contain an on-chip, diode-connected transistor. Remote accuracy is ±1°C when the temperature of the remote diode is between 0°C and +125°C and the temperature of the MAX6627/MAX6628 is +30°C. The temperature is converted to a 12-bit + sign word with 0.0625°C resolution. The architecture of the device is capable of interpreting data as high as +145°C from the remote sensor. The MAX6627/MAX6628 temperature should never exceed +125°C. These sensors are 3-wire serial interface SPI-compatible, allowing the MAX6627/MAX6628 to be readily connected to a variety of µCs. The MAX6627/MAX6628 are read-only devices, simplifying their use in systems where only temperature data is required. Two conversion rates are available, one that continuously converts data every 0.5s (MAX6627), and one that converts data every 8s (MAX6628). The slower version provides minimal power consumption under all operating conditions (30µA, typ). Either device can be read at any time and provide the data from the last conversion. Both devices operate with supply voltages between +3.0V and +5.5V, are specified between -55°C and +125°C, and come in space-saving 8-pin SOT23 and lead-free TDFN packages.

Where to Buy

Prices starting from US$3.54

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Farnell
from US$3.54
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Newark Electronics
from US$3.90
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element14
from US$3.71
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Features

Accuracy ±1°C (max) from 0°C ≤ TRJ ≤ +125°C, TA = +30°C ±2.4°C (max) from -55°C ≤ TRJ ≤ +100°C, 0°C ≤ TA ≤ +70°C
±1°C (max) from 0°C ≤ TRJ ≤ +125°C, TA = +30°C
±2.4°C (max) from -55°C ≤ TRJ ≤ +100°C,
0°C ≤ TA ≤ +70°C
12-Bit + Sign, 0.0625°C Resolution
Low Power Consumption 30µA (typ) (MAX6628) 200µA (typ) (MAX6627)
30µA (typ) (MAX6628)
200µA (typ) (MAX6627)
Operating Temperature Range (-55°C to +125°C)
Measurement Temperature Range, Remote Junction (-55°C to +145°C)
0.5s (MAX6627) or 8s (MAX6628) Conversion Rate
SPI-Compatible Interface
+3.0V to +5.5V Supply Range
8-Pin SOT23 and TDFN Packages
Lead-Free Version Available (TDFN Package)

Specifications

Sensor Type Remote
# Channels One
Interface 3-Wire/SPI
Accuracy (±°C) 1
Parasite Pwr. No
Temp. Resolution (bits) 13
Oper. Temp. (°C) -55 to +125
Package/Pins SOT23/8TDFN/8
BudgetaryPrice (See Notes) 2.92


MAX6627MTA+T Sensors & Transducers by Analog Devices

TEMPERATURE SENSOR 1DEG C TDFN-8

Status: Unknown
Series: -
RoHS: Unknown
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Specifications

IC Output Type Digital
Sensing Accuracy Range ± 1°C
Sensing Temperature Min -55°C
Sensing Temperature Max 125°C
Sensor Case Style TDFN
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

Temperature Sensor, 1Deg C, Tdfn-8 | Newark Electronics
TEMPERATURE SENSOR, 1DEG C, TDFN-8 | element14

Frequently Asked Questions

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Is the MAX6627MTA+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Newark Electronics, element14 and Farnell have stock available or on a lead time for MAX6627MTA+T .

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