SPW0442HR5H-1
SPW0442HR5H-1 Datasheet
SPW0442HR5H-1
| Part | Datasheet |
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SPW0442HR5H-1 |
SPW0442HR5H-1 (pdf) |
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| SPW0442HR5H-1 Precision Top Port SiSonicTM Microphone The SPW0442HR5H-1 is a miniature, high-performance, low power, top port silicon microphone. Using Knowles’ proven high-performance SiSonicTM MEMS technology, the SPW0442HR5H-1 consists of an acoustic sensor, a low noise input buffer, and an output amplifier. 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. Product Features • Matched Sensitivity • Small Package • Low Current • MaxRF Protection • Top Ported Design • Ultra-Stable Performance • Standard SMD Reflow • Omnidirectional • Portable electronics • Cellphones • Laptop Computers • Tablets • Digital Still Cameras • Portable Music Recorders knowles.com Copyright 2017 Knowles Absolute Maximum Ratings Table 1 Absolute Maximum Ratings Parameter Absolute Maximum Rating Vdd to Ground OUTPUT to Ground Vdd+0.3 Input Current to any pin Temperature -40 to +100 Units V mA ºC 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. Acoustic & Electrical Specifications Table 2 Normal Mode Microphone Specifications Test Conditions 23 ±2°C, 55±20% R.H., Vdd min < Vdd < Vdd max , no load, unless otherwise indicated Parameter Conditions Units Supply Voltage Vdd Supply Current Idd Supply Current1 Sensitivity1 Vdd = 1.8V Vdd = 3.6V 94 dB SPL 1 kHz dBV/Pa Signal to Noise Ratio Total Harmonic Distortion Acoustic Overload Point Power Supply Rejection Ratio Power Supply Rejection DC Output SNR THD AOP PSRR PSR 94 dB SPL 1 kHz, A-weighted 94 dB SPL 1 kHz, S = Typ, Rload > 10% THD 1 kHz, S = Typ, Vdd = 3.6V, Rload > 200 mVpp sine wave 50-20kHz Vdd = 1.8V 100 mVpp square wave |
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