PMUT Ultrasonic Sensor

The APU5826B is a PZT piezoelectric ultrasonic sensor chip manufactured using MEMS technology. It is thinner and offers superior performance compared to traditional ceramic sensors. It can replace traditional ceramic ultrasonic sensors, meeting the needs of applications such as more accurate obstacle recognition and distance testing.

Integrated high voltage coefficient thin-film PZT material

Excellent high-frequency response characteristics

Fully MEMS Integrated Manufacturing

It has the advantages of small size and high consistency.

Surface Mount Technology (SMT) Package

Convenient channel design and system integration

Product Details

Performance parameters

parameter	Typical value	unit
Device size	5.85.82.6	mm
Maximum input voltage	36	Vp-p
capacitance	20±10%	nF
impedance	145±10	Oh
phase	＜0	-
Rated frequency	38±3	KHz
Directionality	80±5	°
Function	Transmitter	Single mode
sound pressure	≥110	dB at 38K Hz 10Vp-p 7cm/0dB=20uPa
Material	MEMS PZT	-
End material	Gold Plated Brass	-
Environmental compliance	ROHS/REACH	-
Operating temperature	APφ3.7±0.2-30~+75	℃
Storage temperature	-40~+85	℃