[AK9730AJF21] AK9730AJF21
IR Sensor for NDIR Gas Sensing
1. General Description
The AK9730AJF21 is a small mid-infrared quantum photo diode made of AlInSb. It can work at room
temperature by AKM unique compound semiconductor technology, which realizes the high sensitivity,
high speed response, and high reliability. This sensor is optimized to NDIR flammable gas 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 (CWL: 3.32μm)
3mm x 3mm small surface mount type plastic package 3. Applications NDIR gas sensor
CH4, R32 etc. 018015023-E-00 2019/3
-1-[AK9730AJF21] 4. Table of Contents
1. General Description. 1
2. Features . 1
3. Applications . 1
4. Table of Contents . 2
5. Block Diagram and Functions . 3
5.1. Block Diagram . 3
5.2. Functions . 3
6. Pin Configurations and Functions . 3
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