It is a pyroelectric infrared sensor capable of digital communication with the host MPU.
Nippon Ceramic Co., Ltd. has developed "D-Pyro," a passive infrared sensor equipped with digital communication capabilities that eliminates the need for analog circuits, aimed at applications such as security human detection sensors, energy management human detection sensors, and surveillance camera system human detection sensors.
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basic information
You can choose either the UART type or the I2C type. The UART type can also be used as an on/off output type. With a current consumption of 2.5μA, it is extremely low power, making it ideal for battery-operated wireless systems. The amplification characteristics can be set via software, meaning that the digital bandpass filter settings of this sensor can be configured from the host MPU. With the I2C type, multiple sensors can be connected to a single bus line. In addition to the TO-5 package, surface mount types are also available in the lineup.
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Applications/Examples of results
Pyroelectric infrared sensors are used for applications such as security motion sensors, automatic lighting motion sensors, security camera activation sensors, and energy-saving air conditioning equipment sensors.
Line up（4）
| Model number | overview |
|---|---|
| D3-323-AA | UART type Dual element type |
| D3-446-AA | UART type Quad element type |
| D4-323-AA | I2C type Dual element type |
| D4-446-AA | I2C type Quad element type |
Company information
Since its establishment in 1975, Nippon Ceramic has been engaged in the development, production, and sales of ultrasonic sensors and infrared sensors that apply various ceramic materials, with the motto of rapid technological response, and has achieved top market shares in each category to date. The foundation of this success lies in the independent development and production of various fine ceramics materials that excel in electronic, optical, and chemical properties.