SMT-160-30-220 SMARTEC, SMT-160-30-220 Datasheet

IC, TEMP SENSOR, TO-220-3, 160

SMT-160-30-220

Manufacturer Part Number
SMT-160-30-220
Description
IC, TEMP SENSOR, TO-220-3, 160
Manufacturer
SMARTEC
Datasheet

Specifications of SMT-160-30-220

Ic Output Type
Voltage
Sensing Accuracy Range
± 1.7°C
Supply Current
200µA
Supply Voltage Range
4.75V To 7.2V
Sensor Case Style
TO-220
No. Of Pins
3
Operating Temperature Max
130°C
Operating
RoHS Compliant
Temperature Sensing Range
-45°C To +130°C
Rohs Compliant
Yes
SMT16030
Version 7/2005
SMARTEC B.V, Delpratsingel 26
4811 AP Breda, The Netherlands
Features
Absolute accuracy ± 0.7 °C
Linear output within 0.2 °C
Resolution better then 0.005 °C
Duty Cycle output
Calibrated on chip
TTL, CMOS compatible
Temperature range 175 °C (-45 to +130 °C)
Directly connectable to data input of microprocessor
Easy multiplexing of multiple sensors
Typical applications
Heater systems
Measuring instruments
Washing machines
Overheating protection
Appliances
Introduction
The Smartec temperature sensor is a sophisticated full silicon temperature sensor with a
digital output. The one wire output (duty-cycle modulated) can be directly connected to all
kinds of micro-controllers without the need of A/D conversion. The temperature range is –45
°C to 150 °C. The high resolution (< 0.005 °C) makes the sensor useful for high precision
applications. The sensor is available in various housings like T018, T092, T0220 and for high
volume production in SOIC. Special housing can be manufactured on request.
Product highlights
The SMART TEMPERATURE SENSOR features a duty-cycle modulated square wave
output voltage with linear response to temperatures in the -45 °C to +130 °C range. The
absolute accuracy is better than 1.2 °C. In the range from -30 to +100 °C absolute accuracy is
better than 0.7 °C, while the linearity is better than 0.2 °C (Model TO18).
SMT16030 DIGITAL TEMPERATURE SENSOR
- 1 –
WWW.SMARTEC.NL
Tel: +31(0)765205353

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SMT-160-30-220 Summary of contents

Page 1

... SMT16030 Version 7/2005 SMT16030 DIGITAL TEMPERATURE SENSOR Features Absolute accuracy ± 0.7 °C Linear output within 0.2 °C Resolution better then 0.005 °C Duty Cycle output Calibrated on chip TTL, CMOS compatible Temperature range 175 °C (-45 to +130 °C) Directly connectable to data input of microprocessor ...

Page 2

... SMT16030 Version 7/2005 The SMART TEMPERATURE SENSOR is calibrated during test and burn-in of the chip. The integrated modulator ensures the sensor unit can communicate effectively with low-cost microcontrollers without the need of (onboard) A/D converters or an Xtal controlled oscillator. The SMART TEMPERATURE SENSOR combines digital output and on-chip calibration to ensure major cost reductions and performance-related advantages ...

Page 3

... All not mentioned specifications are the same as for TO18 2 Case connected to ground 3 The SMT 30-160-18 can be used from -65 to +160 °C for a short period without physical damage to the device. The specified accuracy applies only to the rated performance temperature range. 4 Total accuracy includes all errors. ...

Page 4

... A duty cycle modulated output is used because this output is interpretable by a micro-processor without A-D converter, while the analogue information is still available. The SMT160-30 (TO18 model) has an overall accuracy of 0.7 °C in the range from - +100 °C and an accuracy of 1.2 °C from -45 to +130 °C. This makes the sensor especially useful in all applications where " ...

Page 5

... With temperatures above 100 °C the accuracy decreases. Non linearity Non-linearity as it applies to the SMT160-30 is the deviation from the best-fit straight line over the whole temperature range. For the temperature range of -30 °C to +100 °C the non- linearity is less than 0.2 °C (TO18). ...

Page 6

... SMT16030 Version 7/2005 condition mounted in an alu block of a certain temperature (mean value of different measurements bath filled with oil that was stirred (mean value of different measurements) Moving air with a speed of about 3 m/s - without heatsink - with heatsink Non moving air -without heatsink ...

Page 7

... About noise protection and how to prevent damage caused by a wrong power supply polarity. The Smartec SMT16030 is based on a free running oscillator. Periodic spikes on the power supply line may make the oscillator synchronise, resulting in a false temperature reading. To overcome this problem it is advised to put a filter in the power supply line of the sensor suggested to use a low pass RC filter as given below ...

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