AAC Technologies

Sensor and semiconductor

Vast and varied, small yet powerful

Sensor and semiconductor technology solutions provide sustained competitive services for consumer electronics, automotive, smart wearables, robotics, IoT, and other domains, delivering a premium consumer experience. We are well-versed in MEMS. The entire production process has been localized to ensure the security of product development and capacity supply.

Localization of all production processes

Independent R&D capabilities

Applicable to multiple fields

MEMS Microphones

Bone Vibration Sensor

MEMS Speakers

Barometric Pressure Sensors

Inertial Sensors

Airflow Sensors

RF Front-End Devices

AAC is a world-leading MEMS microphone supplier that delivers high-performance and cost-effective products with reliable quality and supply. We have mastered cutting-edge acoustic technologies, developed MEMS in-house, and acquired rich experience in mass production, underpinned by strategic collaboration with core suppliers.

AAC's MEMS microphones feature small size, high signal-to-noise ratio (SNR), low total harmonic distortion (THD), flat frequency response, low cut-off frequency, and high sensitivity and phase uniformity between individual units. These qualities provide a superior audio experience in consumer electronics, industrial, and other applications. We also offer high-performance MEMS microphones for harsh automotive environments. Applying AAC's leading design and packaging technologies, these microphones are certified by the AEC Q103-003 automotive quality standard, ensuring superior and reliable voice services in and out of vehicles.

Product Description

MEMS Microphones

Waterproof Microphone

Hearing Aid Microphone

Microphones Modules

Barometric Pressure and Microphone Combo Sensors

Automotive Microphones

AAC offers high-performance MEMS microphones in small size with analog or PDM outputs, delivering a wide range of high-quality voice services and an outstanding experience for customers.

Features

High performance, low power consumption
Small size and low vibration sensitivity
High temperature resistance, can be reflow soldered
Consistent performance over lifetime

High resistance to RF noise
Uniformity from part to part in frequency response
Low vibration sensitivity and excellent reliability

Use Cases

Voice calls
Voice recognition, voice commands
Active noise cancellation (ANC)

Emergency calls
Voice activity detection
Ultrasound detection, gesture recognition, and so on

Product overview:

Analog microphone:

Item	Port	Size	Acoustic port	Sensitivity	SNR	AOP	Current	LFRO	Application
1	Top	2.75x1.85x0.95 mm	0.5 mm	-42±1 dBV	59 dB	130 dBSPL	120uA	35Hz	Top port, remote controllers, etc.
1	Top	2.75x1.85x1.05 mm	0.5 mm	-38±1 dBV	62.5 dB	130 dBSPL	120uA	45Hz	Top port, TWS talk mic, remote controllers, etc.
2	Top	3.76x2.24x1.10 mm	0.5 mm	-42±1 dBV	59 dB	130 dBSPL	120uA	30Hz	Top port, remote controllers, smart speakers, etc.
2	Top	3.76x2.95x1.10 mm	0.25 mm	-38±1 dBV	64.5 dB	125 dBSPL	120uA	30Hz	Top port, remote controllers, smart speakers, etc.
3	Bottom	2.75x1.85x0.90 mm	0.25 mm	-38±1 dBV	64 dB	128 dBSPL	120uA	70Hz	Smart Phones, TWS talk mic, etc.
	Bottom	2.75x1.85x0.90 mm	0.25 mm	-38±1 dBV	64 dB	128 dBSPL	120uA	25Hz	TWS, smart glasses, etc.
	Bottom	2.75x1.85x1.0 mm	0.325 mm	-38±1 dBV	65 dB	125 dBSPL	120uA	30Hz	TWS, smartphones, etc.
	Bottom	2.75x1.85x1.1 mm	0.325 mm	-38±1 dBV	68 dB	130 dBSPL	120uA	<20Hz	High-end Smart Phones, TWS, etc.
4	Bottom	3.50x2.65x0.98 mm	0.325 mm	-38±1 dBV	66 dB	125 dBSPL	120uA	25Hz	Smartspeakers, audio/video conference applications, etc.
4	Bottom	3.50x2.65x0.98 mm	0.325 mm	-38±1 dBV	68 dB	130 dBSPL	120uA	18Hz	TWS, Webcameras, audio/video conference applications, etc.
5	Bottom	4.00x3.00x1.20 mm	0.6 mm	-38±1 dBV	70 dB	130 dBSPL	120uA	20Hz	Smartphones, headsets, webcameras, farfield Voice Recognition, etc.

Digital microphone:

Item	Port	Size	Port	Sensitivity	SNR	AOP	Current	LFRO	Application
1	0.325 mm	3.5x2.65x1.0 mm	TOP	-26±1 dBFS	64 dB	120 dBSPL	700uA	47.5Hz	Top port, smart speakers, speaker phones, etc.
2	0.25 mm	4.0x2.0x1.1 mm	TOP	-26±1 dBFS	64 dB	120 dBSPL	700uA	30Hz	Laptops, AIO, TVs, etc.
	0.25 mm	4.0x2.0x1.1 mm	TOP	-26±1 dBFS	65 dB	120 dBSPL	700uA	30Hz	Laptops, AIO, TVs, etc.
	0.25 mm	4.0x3.0x1.0 mm	TOP	-26±1 dBFS	65 dB	120 dBSPL	700uA	30Hz	Laptops, AIO, TVs, etc.
	0.4 mm	4.0x3.0x1.0 mm	TOP	-26±1 dBFS	67 dB	120 dBSPL	800uA	-	Laptops, AIO, TVs, etc.
3	0.25 mm	2.75x1.85x1.0 mm	Bottom	-26±1 dBFS	63 dB	120 dBSPL	700uA	32Hz	Smart glasses, TWS etc.
3	0.25mm	2.75x1.85x1.0 mm	Bottom	-26±1 dBFS	66 dB	120 dBSPL	700uA	40Hz	Smart glasses, TWS etc.
4	0.325 mm	3.50x2.65x0.98 mm	Bottom	-26±1 dBFS	64 dB	120 dBSPL	750uA	30Hz	TV, Remote controllers, PC, etc.
5	0.6 mm	4.0x3.0x1.2 mm	Bottom	-26±1 dBFS	69 dB	120 dBSPL	700uA	30Hz	PC, Webcamera, video conference etc.
6	0.25 mm	2.75x1.85x1.00 mm	Bottom	-37±1 dBFS	64 dB	132 dBSPL	520uA	27Hz	Low power consumption for smartphones and wearables.
7	0.25 mm	3.0x2.3x1.0 mm	Bottom	-37±1 dBFS	65 dB	131 dBSPL	560uA	20Hz	Low power consumption for smartphones and wearables.
8	0.325 mm	3.50x2.65x0.98 mm	Bottom	-37±1 dBFS	65.5 dB	131 dBSPL	1000uA	18Hz	Smartphones and wearables, etc.
	0.325 mm	3.50x2.65x0.98 mm	Bottom	-37±1 dBFS	68 dB	132 dBSPL	500uA	35Hz	Low power consumption for smartphones and wearables.
	0.6 mm	3.50x2.65x0.98 mm	Bottom	-37±1 dBFS	70 dB	128 dBSPL	1000uA	28Hz	AI application for samartphones and samrt glasses, etc.
	0.6 mm	3.50x2.65x0.98 mm	Bottom	-37±1 dBFS	70 dB	132 dBSPL	500uA	28Hz	AI application for samartphones and samrt glasses, etc.