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【ADI - ADMP421】
產品規格
SNR 60.5dB PSRR 80dBFS THD 3% Supply Current(Normal mode) 650uA Supply Current(Sleep mode) 50uA Mechanical Shock 20000g Operation temperature range -40℃ to +85℃
產品特性
High sensitivity of -26dBFS Flat Frequency response form 100Hz to over 12KHz Fourth - order Σ-△ modulator Small and thin 3mm x 4mm x 1mm surface-mount package
•Sensitivity:-42 dBV/Pa •Signal to Noise:59 dB(A) •Maximum Sound Pressure Level:110 Dbspl •Supply Voltage:1.5 – 3.3 V •Current Consumption:70 μA •Lead free and halogen free package:Size: 4.72 x 3.76 x 1.25 mm
產品特性
The Silicon Microphone consists of two chips combined in a single package. The MEMS chip is a capacitor made up of a stiff and perforated backplate and a flexible membrane on a Silicon substrate. It transfers the sound waves into capacity variations. The ASIC chip converts the capacity variations into an electrical signal.
產品應用
Infineon SMM310 is optimized for consumer applications with special focus on mobile phones. Further application fields re notebooks and cameras. The microphones are also suitable for automotive, industrial or medical applications, where microphones are directly assembled onto the PCB and where size as well as temperature immunity matter.
文字介紹
I n f i n e o n introduces the new product line Silicon Microphone. The microphone sensors are based on the new semiconductor MEMS (Micro Electro Mechanical Systems) technology in contrast to conventional microphones, which typically rely on the electret condenser technology.
WPG Times
