[AK9710AEF01] AK9710AEF01 IR Sensor for NDIR CO2 Sensing 1. General Description The AK9710AEF01 is a small mid-infrared quantum photo diode made of InSb. It can work at room temperature by AKM unique compound semiconductor technology, which realizes the high sensitivity, high speed response, and high reliability. The AK9710AEF01 has a built in an optical band pass filter. This sensor is optimized to NDIR CO2 Sensing application. 2. Features High Sensitivity Signal-to-noise ratio is three times higher than conventional thermopiles. High Speed Response (~100kHz) High Reliability No bias voltage needed Built in an Optical Band Pass Filter for CO2 Sensing 3mm x 3mm small surface mount type plastic package Application HVAC CO2 refrigerant leakage detection Flame detection 016013404-E-01 2016/12 -1- [AK9710AEF01] 3. Table of Contents 1. General Description................................................................................................................................ 1 2. Features ................................................................................................................................................. 1 3. Table of Contents ................................................................................................................................... 2 4. Block Diagram and Functions ................................................................................................................ 3 4.1. Block Diagram.............................................................................................................................. 3 4.2. Functions ..................................................................................................................................... 3 5. Pin Configurations and Functions .......................................................................................................... 3 5.1. Pin Configurations ....................................................................................................................... 3 5.2. Functions ..................................................................................................................................... 4 6. Absolute Maximum Ratings ................................................................................................................... 4 7. Recommended Operating Conditions .................................................................................................... 4 8. Electrical Characteristics ........................................................................................................................ 4 9. Optical Filter Specification ...................................................................................................................... 5 10. Field of view (Reference) ..................................................................................................................... 6 11. Recommended External Circuits ......................................................................................................... 6 12. Package................................................................................................................................................ 7 12.1. Outline Dimensions ....................................................................................................................... 7 12.2. Pad Dimensions............................................................................................................................. 7 12.3. Marking .......................................................................................................................................... 8 13. Precautions........................................................................................................................................... 9 14. Ordering Guide ..................................................................................................................................... 9 15. Revision History ................................................................................................................................... 9 IMPORTANT NOTICE .......................................................................................................................... 10 016013404-E-01 2016/12 -2- [AK9710AEF01] 4. Block Diagram and Functions 4.1. Block Diagram Figure 4.1 Block Diagram 4.2. Functions Block IR Table 4.1 Block Functions Function Mid-infrared quantum photo diode 5. Pin Configurations and Functions 5.1. Pin Configurations Top View Figure 5.1 Pin Configurations 016013404-E-01 2016/12 -3- [AK9710AEF01] 5.2. Functions Table 5.1 Pin Functions Pin No. Name I/O Functions 1, 2, 3, 4, 10 Dp － p-type output pin 5, 6, 7, 8, 9 Dn － n-type output pin 6. Absolute Maximum Ratings Table 6.1 Absolute Maximum Ratings Parameter Symbol Min. Max. Unit Operating Temperature Ta -40 85 °C Storage Temperature Tstg -40 85 °C Notes Operation exceeding these ratings may cause permanent damage to device. Do not apply a bias voltage. 7. Recommended Operating Conditions Table 7.1 Recommended Operating Conditions Parameter Symbol Min. Typ. Max. Input Voltage (*1) Vin -10 0 10 Operating Temperature Ta -40 85 Note *1: Do not apply a bias voltage between Dp and Dn. Refer to the recommended external circuits. Unit μV °C 8. Electrical Characteristics Table 8.1 Electrical Characteristics Unless otherwise specified, Ta = 25°C Parameter Symbol Min. Typ. Max. Output Current (*2) Ip 1.04 2.97 4.90 Internal Resistance (*3) Ro 75 188 Notes: *2: Measurement conditions: The final test is done by the equivalent light source as below. - Light source Blackbody furnace with diameter = 22.2mm Surface temperature = 500C - Distance AK9710AEF01 to blackbody = 10cm. - The soda glass is placed between the sensor and the blackbody furnace. - Measured by a 10Hz lock-in amplifier. *3: Measurement conditions: - Average value at ±500nA output. 016013404-E-01 Unit nA kΩ 2016/12 -4- [AK9710AEF01] 9. Optical Filter Specification Table 9.1 Optical Filter Specification Angle of incidence = 0 Ta = 25°C Parameter Symbol Min Typ Center wavelength CWL 4240 4280 Full width at half maximum FWHM 243 270 Peak transmission intensity Tpeak 75 Max 4320 297 Unit nm nm % Figure 9.1 Definition of CWL, FWHM and Tpeak Figure 9.2 Optical filter transmittance (Reference) 016013404-E-01 2016/12 -5- [AK9710AEF01] 10. Field of view (Reference) Ta = 25°C Figure 10.1 Field of view Measurement conditions: Distance between AK9710AEF01 and light source is 10cm. Light source: Blackbody diameter=22.2mm, Surface temperature=550°C 11. Recommended External Circuits Figure 11.1 Recommended external circuits *Vref level is between Vcc level and GND level. *R1, R2, and C1 should be optimized for the application. 016013404-E-01 2016/12 -6- [AK9710AEF01] 12. Package 12.1. Outline Dimensions Unit: mm Unless otherwise specified: ± 0.1mm Figure 12.1 Outline Dimensions 12.2. Pad Dimensions Figure 12.2 Pad Dimensions 016013404-E-01 2016/12 -7- [AK9710AEF01] 12.3. Marking Y (Year) Mark Year 0 2020 1 2021 2 2022 3 2023 4 2024 5 2015 6 2016 7 2017 8 2018 9 2019 016013404-E-01 M (Month) D (Day) Mark Month Mark Day C Jan. 1 1 D Feb. 2 2 E Mar. 3 3 F Apr. 4 4 G May. 5 5 H Jun. 6 6 J Jul. 7 7 K Aug. 8 8 L Sep. 9 9 M Oct. 0 10 N Nov. A 11 P Dec. B 12 C 13 D 14 E 15 F 16 G 17 H 18 J 19 K 20 L 21 N 22 P 23 R 24 S 25 T 26 U 27 V 28 W 29 X 30 Y 31 L (Lot) Mark Lot 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 0 10 A 11 B 12 C 13 D 14 E 15 F 16 G 17 H 18 J 19 K 20 L 21 M 22 N 23 P 24 R 25 S 26 T 27 U 28 V 29 W 30 X 31 Y 32 Z 33 2016/12 -8- [AK9710AEF01] 13. Precautions <Electrostatic Discharge (ESD)> This product is sensitive to Electrostatic Discharge (ESD). When handling the product, please be careful about the following matters. When you handle the product, please work in the environment to protect against static electricity (ex. more than 40%RH). Always use an ESD wrist strap and wear antistatic clothes. Please take electrostatic measures of the container etc. where the product touches directly. <Storage Environment> Please avoid exposed to direct sunlight. Please keep it as much as possible at room temperature and normal humidity. The desirable condition is 5-35 C and 40 - 85%RH. In addition, please keep the product away from the chlorine gas and the causticity gas. When this product is kept in inappropriate environment, it may influence product properties. <Other Precautions> As Gallium Arsenide (GaAs) and Indium Antimonide (InSb) are used for this product, please be careful about the following matters. 1) Please do not take this product to burning and melting and destroys, chemical processing etc.. 2) When you discard this product, please handle it according to related laws and your regulations on waste disposal. Please be careful not to damage and pollute the sensor surface because the sensor properties may change. 14. Ordering Guide AK9710AEF01 AKD9710 -40 ~ 85ºC 10-pin SON Consumer Grade Evaluation Board 15. Revision History Date (Y/M/D) 16/10/24 16/12/20 Revision 00 01 Reason First Edition Correction Page 4 016013404-E-01 Contents Corrected Final Test Condition of Electrical Characteristics 2016/12 -9- IMPORTANT NOTICE 0. Asahi Kasei Microdevices Corporation (“AKM”) reserves the right to make changes to the information contained in this document without notice. When you consider any use or application of AKM product stipulated in this document (“Product”), please make inquiries the sales office of AKM or authorized distributors as to current status of the Products. 1. All information included in this document are provided only to illustrate the operation and application examples of AKM Products. AKM neither makes warranties or representations with respect to the accuracy or completeness of the information contained in this document nor grants any license to any intellectual property rights or any other rights of AKM or any third party with respect to the information in this document. You are fully responsible for use of such information contained in this document in your product design or applications. AKM ASSUMES NO LIABILITY FOR ANY LOSSES INCURRED BY YOU OR THIRD PARTIES ARISING FROM THE USE OF SUCH INFORMATION IN YOUR PRODUCT DESIGN OR APPLICATIONS. 2. The Product is neither intended nor warranted for use in equipment or systems that require extraordinarily high levels of quality and/or reliability and/or a malfunction or failure of which may cause loss of human life, bodily injury, serious property damage or serious public impact, including but not limited to, equipment used in nuclear facilities, equipment used in the aerospace industry, medical equipment, equipment used for automobiles, trains, ships and other transportation, traffic signaling equipment, equipment used to control combustions or explosions, safety devices, elevators and escalators, devices related to electric power, and equipment used in finance-related fields. Do not use Product for the above use unless specifically agreed by AKM in writing. 3. 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