SPM0423HD4H-WB

SPM0423HD4H-WB Digital SiSonicTM Microphone The SPM0423HD4H-WB is a miniature, highperformance, low power, top port silicon digital microphone with a single bit PDM output. Using Knowles’ proven high performance SiSonicTM MEMS technology, the SPM0423HD4H-WB consists of an acoustic sensor, a low noise input buffer, and a sigma-delta modulator. These devices are suitable for applications such as cellphones, smart phones, laptop computers, sensors, digital still cameras, portable music recorders, and other portable electronic devices where excellent wideband audio performance and RF immunity are required. Features:  PDM Output  Supports Dual Multiplexed Channels  Ultra-Stable Performance  Standard SMD Reflow  Omnidirectional Revision: C Sheet 1 of 13 2/28/2013 ©2013 Knowles Electronics SPM0423HD4H-WB 1. ABSOLUTE MAXIMUM RATINGS Parameter VDD, DATA to Ground CLOCK to Ground SELECT to Ground Input Current Short Circuit Current to/from DATA Temperature Range Absolute Maximum Rating -0.3, +5.0 -0.3, +5.0 -0.3, +5.0 ±5 Indefinite to Ground or VDD -40 to +100 Units V V V mA sec °C Stresses exceeding these “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only. Functional operation at these or any other conditions beyond those indicated under “Acoustic & Electrical Specifications” is not implied. Exposure beyond those indicated under “Acoustic & Electrical Specifications” for extended periods may affect device reliability. 2. ...