TSD305-1C55 TEC | Alldatasheet
Document overview
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- PDF pages: 12
Technical content
Features
0°C … +100°C measurement range Small size Up to ±1°C accuracy I 2C Interface Low current consumption Operating Temperature Range: - 10°C … +85°C
Applications
Contactless temperature measurement Climate control Industrial process control Household applications
SENSOR SOLUTIONS /// DATASHEET TSD305-1C55 10/2016 Page 2 ABSOLUTE MAXIMUM RATINGS Absolute maximum ratings are limiting values of permitted operation and should never be exceeded under the worst possible conditions either initially or consequently. If exceeded by even the smallest amount, instantaneous catastrophic failure can occur. Even if the device continues to operate satisfactorily, its life may be considerably shortened. Parameter Symbol Condition Min Typ Max Unit Supply voltage VDD --- -0.3 --- +3.63 V Storage temperature Tstor dry -20 --- +85 °C Voltage at supply and IO pins VDD VIO --- -0.5 --- VDD +0.5 V Current into supply and IO pins IIN --- -100 --- 100 mA ESD rating ESD Human Body Model -2 --- +2 kV Humidity Hum --- Non condensing --- OPERATING CONDITIONS If not otherwise noted, 3.3V supply voltage is applied. Parameter Symbol Condition Min Typ Max Unit Operating supply voltage VDD stabilized, 100nF 1.68 --- 3.6 V VDD rise time tVDD --- --- --- 200 µs Operating temperature Top --- -20 --- +85 °C Object temperature range TOBJ --- 0 --- +100 °C Resolution RES --- --- --- 0.1 °C Supply Current IVDD Active state, average --- 1050 1500 µA Sleep state, idle current --- 20 25 nA Serial data clock I2C FSCL --- --- --- 3.4 MHz Self heating SH 1 sample/s, still air, 60s --- --- +0.2 °C VDD capacitor CVDD Place close to the sensor --- 100 --- nF THERMOPILE COMPONENT If not otherwise noted, 3.3V supply voltage is applied. Parameter Symbol Condition Min Typ Max Unit Absorber area A --- 0.8 x 0.8 mm Field of view FOV At 50% of maximum signal --- 88 --- deg Filter transmission range LWP Long wave pass >5.5 µm
SENSOR SOLUTIONS /// DATASHEET TSD305-1C55 10/2016 Page 3 ANALOGUE TO DIGITAL CONVERTER Parameter Symbol Condition Min Typ Max Unit Resolution ADCRES --- --- 16 --- bit Conversion time tCONV --- --- 44.8 59.2 ms Rise time t63 Including rise time of sensor element --- --- 44.8 ms Resolution internal temperature sensor ITSRES --- --- 0.003 --- K/LSB TOLERANCES If not otherwise noted, 3.3V supply voltage is applied. T sen = sensor temperature, Tobj = object temperature Parameter Symbol Sensor Temo Object Temp Max Unit Accuracy Standard Temp 1) ACCS +15°C < Tsen < +35°C +40°C < Tobj < +80°C ±1 °C Accuracy Extended Temp. 1 2) ACCE1 Complete range +40°C < Tobj < +80°C ±2 °C +15°C < Tsen < +35°C Complete range Accuracy Extended Temp. 2 2) ACCE3 Complete range Complete range ±3 °C Other temperature ranges and accuracies are available on request. 1) Proved while production 2) Proved by design Typical accuracy performance
SENSOR SOLUTIONS /// DATASHEET TSD305-1C55 10/2016 Page 4 POWER & RESET Parameter Symbol Condition Min Typ Max Unit Start up time tSTA1 VDD ramp up to interface communication --- --- 1 ms tSTA2 VDD ramp to first ADC measurement --- --- 2.5 ms Wake up time tWUP1 Sleep to active state interface communication --- --- 0.5 ms tWUP2 Sleep to first ADC measurement --- --- 2 ms Power down time for reset tRESET VDDlow 3 --- --- µs VDD low level VDDlow --- 0 --- 0.2 V VDD rising slope SRVDD --- 10 --- --- V/ms DIMENSIONS If not specified, all tolerances according DIN ISO 2768-m. PIN FUNCTION TABLE Pin Name Type Function
1 SCL DI I2C Clock
2 SDA DIO I2C Data
3 VDD P Supply Voltage
4 VSS P Ground
An I2C communication message starts with a start condition and it is ended by a stop condition. Most commands consist of two bytes: the address byte and command byte. I2C ADRESS The standard I2C address is 0x00 (0b0000000X). X = 0: I 2C Write X = 1: I 2C Read
SENSOR SOLUTIONS /// DATASHEET TSD305-1C55 10/2016 Page 5 STATUS BYTE Each return starts with a status byte followed by the requested data word. Bit 7 6 5 4 3 2 1 0 Meaning --- --- Busy --- --- Memory Error --- --- Busy: 1 = Sensor is busy. The requested data is not available y et. Memory Error: 1 = Memory integrity check failed. Memory was changed after factory calibration. COMMANDS Note: Each return starts with a status byte followed by the requested data word. Command Return Description 0x00 … 0x39 16 bit EEPROM data Read data from EEPROM address (0x00 … 0x39) matching the command 0xAF 24 bit object temperature ADC, 24 bit sensor temperature ADC Measure object temperature and sensor temperature ADC 16 times and calculates mean value. Store data in output buffer. Read EEPROM Write Command: Read EEPROM Data: Perform Measurement and Read ADC Data Write Command: Read ADC Data:
SENSOR SOLUTIONS /// DATASHEET TSD305-1C55 10/2016 Page 6 EEPROM CONTENT Adress / hex Adress / dec Description Name Format Example Content Value 0x00 0 Lot Nr. --- UINT16 15001 YY WWW 0x01 1 Serial Number --- UINT16 12345 Number 0x1A 26 Min. Sensor Temp. / °C TSenMin SINT16 0xFFEC -20°C 0x1B 27 Max. Sensor Temp. / °C TSenMax SINT16 0x0055 +85°C 0x1C 28 Min. Object Temp. / °C TObjMin SINT16 0x0000 0°C 0x1D 29 Max. Object Temp. / °C TObjMax SINT16 0x0064 100°C 0x1E 30 Temperature Coefficient TC IEEE 754 H-Word 0xBB96 -0.0046 0x1F 31 IEEE 754 L-Word 0xBB99 0x20 32 Reference Temperature TREF IEEE 754 H-Word 0x41D7 26.93 0x21 33 IEEE 754 L-Word 0x70A4 0x22 34 Compensation Coefficient k4 k4comp IEEE 754 H-Word 0x3A07 5.161E-04 0x23 35 IEEE 754 L-Word 0x4C8C 0x24 36 Compensation Coefficient k3 k3comp IEEE 754 H-Word 0x3F10 5.639E-01 0x25 37 IEEE 754 L-Word 0x5CEC 0x26 38 Compensation Coefficient k2 k2comp IEEE 754 H-Word 0x4367 2.311E+02 0x27 39 IEEE 754 L-Word 0x0D1F 0x28 40 Compensation Coefficient k1 k1comp IEEE 754 H-Word 0x4724 4.207E+04 0x29 41 IEEE 754 L-Word 0x5A6F 0x2A 42 Compensation Coefficient k0 k0comp IEEE 754 H-Word 0xC9A0 -1.312E+06 0x2B 43 IEEE 754 L-Word 0x254D 0x2E 46 ADC T Coefficient k4 k4Obj IEEE 754 H-Word 0x944B -1.029E-26 0x2F 47 IEEE 754 L-Word 0xD24F 0x30 48 ADC T Coefficient k3 k3Obj IEEE 754 H-Word 0x2052 1.787E-19 0x31 49 IEEE 754 L-Word 0xF1C2 0x32 50 ADC T Coefficient k2 k2Obj IEEE 754 H-Word 0xABE5 -1.631E-12 0x33 51 IEEE 754 L-Word 0x991B 0x34 52 ADC T Coefficient k1 k1Obj IEEE 754 H-Word 0x3797 1.802E-05 0x35 53 IEEE 754 L-Word 0x2BBF 0x36 54 ADC T Coefficient k0 k0Obj IEEE 754 H-Word 0x41D7 2.693E+01 0x37 55 IEEE 754 L-Word 0x6DBA 0x38 56 Status --- UINT16 TBD ---
SENSOR SOLUTIONS /// DATASHEET TSD305-1C55 10/2016 Page 7 NUMBER FORMAT UINT16 Description: Unsigned integer Bits 16 Min (dec/hec/bin) 0 / 0x0000 / 0b0000 0000 0000 0000 Max (dec/hec/bin) 65,535 / 0xFFFF / 0b1111 1111 1111 1111 SINT16 Description: Signed integer Bits 16 Min (dec/hec/bin) - 32,768 / 0x8000 / 0b1000 0000 0000 0000 Max (dec/hec/bin) 32,767 / 0x7FFF / 0b0111 1111 1111 1111 FLOAT IEEE 754 Description: Float Bits 32 Min (dec/hec/bin) -1.4E-45 / 0x80000001 / 0b1000 0000 00 00 0000 0000 0000 0000 0001 Max (dec/hec/bin) 3.403E38 / 0x7f800000 / 0b0111 1111 100 0 0000 0000 0000 0000 0000 Example: H-Word 0x3 DCC L-Word 0xCCCD 0b0011 1101 1100 1100 1100 1100 1100 1101 0.1 FLOAT IEEE 754 Conversions The two integer words can easily be converted to a floating-point number by using a union consisting of an integer array and a float. void main(void) union unsigned int iValue[2]; // 16bit unsigned integer float fValue; // float IEEE 754 } MyUnion; while(1) MyUnion.iValue[1] = 0x3dcc; MyUnion.iValue[0] = 0xcccd; //MyUnion.fValue = 0.1;
SENSOR SOLUTIONS /// DATASHEET TSD305-1C55 10/2016 Page 8 TEMPERATURE CALCULATION SENSOR TEMPERATURE The sensor temperature TSen is calculated from the corresponding 24 bit ADC value ADCsen. Name Description Format Range Min Max ADCsen ADC Sensor Temperature INT24 0 16,777,216 ADCsen is scaled to cover the complete sensor temperature range from TSenMin to TSenMax. Adress / hex Adress / dec Description Name Format Example Value Max 0x1A 26 Min. Sensor Temp. / °C TSenMin SINT16 0xFFEC -20°C 0x1B 27 Max. Sensor Temp. / °C TSenMax SINT16 0x0055 +85°C Formula: T sen = ADCsen / 224 (TSenMax - TSenMin) + TSenMin Example: ADC sen = 6,364,157
SENSOR SOLUTIONS /// DATASHEET TSD305-1C55 10/2016 Page 9 OBJECT TEMPERATURE The object temperature Tobj is calculated in dependence of the sensor temperature Tsen and ADCObj. ADCobj is shifted by 223 in order to provide unsigned integer values for positive and negative measurement values. Name Description Format Range Min Max ADCobj ADC Object Temperature Shifted by 223 (0 is represented by 8,388,608) INT24 0 16,777,216 The process consists of three successive steps. TC Correction Factor Adress / hex Adress / dec Description Name Format Example Content Value 0x1E 30 Temperature Coefficient TC IEEE 754 H-Word 0xBB96 -0.0046 0x1F 31 IEEE 754 L-Word 0xBB99 0x20 32 Reference Temperature TREF IEEE 754 H-Word 0x41D7 +26.93 0x21 33 IEEE 754 L-Word 0x70A4 Formula: Example: Tsen = Tref = TC = +19.83°C +26.93°C -0.0046 = 1.0327
SENSOR SOLUTIONS /// DATASHEET TSD305-1C55 10/2016 Page 10 Temperature Compensation Adress / hex Adress / dec Description Name Format Example Content Value 0x22 34 Compensation Coefficient k4 k4comp IEEE 754 H-Word 0x3A07 5.161E-04 0x23 35 IEEE 754 L-Word 0x4C8C 0x24 36 Compensation Coefficient k3 k3comp IEEE 754 H-Word 0x3F10 5.639E-01 0x25 37 IEEE 754 L-Word 0x5CEC 0x26 38 Compensation Coefficient k2 k2comp IEEE 754 H-Word 0x4367 2.311E+02 0x27 39 IEEE 754 L-Word 0x0D1F 0x28 40 Compensation Coefficient k1 k1comp IEEE 754 H-Word 0x4724 4.207E+04 0x29 41 IEEE 754 L-Word 0x5A6F 0x2A Compensation Coefficient k0 k0comp IEEE 754 H-Word 0xC9A0 -1.312E+06 0x2B IEEE 754 L-Word 0x254D Formula: Example: Tsen = k4comp ... k0comp +19.83°C See table above Offset = k4comp Tsen4 + k3comp Tsen3 + k2comp Tsen2 + k1comp Tsen + k0comp Offset = = 5.161·10-4 19.834 + 2.311·102 19.832 + -1.312·106 = -382,399 OffsetTC= Offset TCF OffsetTC = = -382,399 1.0327 = -394,904
SENSOR SOLUTIONS /// DATASHEET TSD305-1C55 10/2016 Page 11 Object Temperature Determination Adress / hex Adress / dec Description Name Format Example Content Value 0x2E 46 ADC T Coefficient k4 k4Obj IEEE 754 H-Word 0x944B -1.029E-26 0x2F 47 IEEE 754 L-Word 0xD24F 0x30 48 ADC T Coefficient k3 k3Obj IEEE 754 H-Word 0x2052 1.787E-19 0x31 49 IEEE 754 L-Word 0xF1C2 0x32 50 ADC T Coefficient k2 k2Obj IEEE 754 H-Word 0xABE5 -1.631E-12 0x33 51 IEEE 754 L-Word 0x991B 0x34 52 ADC T Coefficient k1 k1Obj IEEE 754 H-Word 0x3797 1.802E-05 0x35 53 IEEE 754 L-Word 0x2BBF 0x36 54 ADC T Coefficient k0 k0Obj IEEE 754 H-Word 0x41D7 2.693E+01 0x37 55 IEEE 754 L-Word 0x6DBA Formula: Example: ADCObj = k4Obj ... k0Obj 10,738,758 See table above ADCComp = OffsetTC + ADCObj - 223 ADCComp = = -394,904 + 10,738,758 – 8,388,608 = 1,955,246 ADCCompTC = ADCComp / TCF ADCCompTC = = 1,955,246 / 1.0327 = 1,893,334 TObj = k4Obj ADCCompTC4 + k3Obj ADCCompTC3 + k2Obj ADCCompTC2 + k1Obj ADCCompTC + k0Obj + 2.693·10 = 56.28°C
SENSOR SOLUTIONS /// DATASHEET TSD305-1C55 10/2016 Page 12 ORDER INFORMATION Further customer specific adaptations are available on request. Please refer to the table below for part name, description and order information. Part Number Part Desription Comment G-TPMO-101 TSD305-1C55 Digital Thermopile Sensor TO5, I2C Interface, 0°C … +100°C EMC Due to the use of these modules for OEM application no CE declaration is done. Especially line coupled disturbances like surge, burst, HF etc. cannot be removed by the module due to the small board area and low price feature. There is no protection circuit against reverse polarity or over voltage implemented. The module will be designed using capacitors for blocking and ground plane areas in order to prevent wireless coupled disturbances as good as possible. NORTH AMERICA EUROPE ASIA ASIA Measurement Specialties, Inc., a TE Connectivity Company 1711 139th Lane NW Andover, MN 55304 Tel: +1 763 689 4870 Fax: +1 763 689 5033 customercare.ando@te.com TE Connectivity Sensors Germany GmbH Hauert 13
44227 Dortmund
Fax: +49-231-9740-20 CustomerCare.dtmd@te.com Measurement Specialties (China), Ltd., a TE Connectivity Company No. 368 Wulian 1st Road Gongxing Town Shuangliu, Chengdu Sichuan, 610200 China Tel: +86 (0) 28 8573 9088 Fax: +86 (0) 28 8573 9070 customercare.chdu@te.com Measurement S a TE Connectivit No. 26, Langsha High-tech Park ( Nanshan District, China Tel: +86-755-33 Fax: +86-755-33 CustomerCare.sh te.com/sensorsolutions Measurement Specialties, Inc., a TE Connectivity company. Measurement Specialties, MEAS, TE Connectivity, TE Connectivity (logo) and EVERY CONNECTION COUNTS are trademarks. All other logos, products and/or company names referred to herein might be trademarks of their respective owners. The information given herein, including drawings, illustrations and schematics which are intended for illustration purposes only, i s believed to be reliable. However, TE Connectivity makes no warranties as to its accuracy or completeness and disclaims any liability in connection with its use. TE Connectivity‘s obligations shall only be as set forth in TE Connectivity‘s Standard Terms and Conditions of Sale for this product and in no case will TE Connectivity be liable for any incidental, indirect or consequential damages arising out of the sale, resale, use or misuse of the product. Users of TE Connectivity products should make their own evaluation to determine the suitability of each such product for the specific application. © 2016 TE Connectivity Ltd. family of companies All Rights Reserved.