SPU1410LR5H-QB TM Zero-Height SiSonic Microphone With Extended Low Frequency Performance The SPU1410LR5H-QB is a miniature, high- Features: performance, low power, bottom port Extended Low Frequency Performance silicon microphone. Using Knowles proven Flat Frequency Response TM high performance SiSonic MEMS Low Current technology, the SPU1410LR5H-QB consists Small package of an acoustic sensor, a low noise input MaxRF protection TM buffer, and an output amplifier. These Zero-Height Mic devices are suitable for applications such as Ultra-Stable Performance cellphones, smart phones, laptop Standard SMD Reflow computers, sensors, digital still cameras, Omnidirectional portable music recorders, and other portable electronic devices where excellent wideband audio performance and RF immunity are required. Revision: D 3/27/2013 Sheet 1 of 11 2013 Knowles Electronics SPU1410LR5H-QB 1. ABSOLUTE MAXIMUM RATINGS Parameter Absolute Maximum Rating Units V to Ground -0.5, +5.0 V DD OUT to Ground -0.3, V + 0.3 V DD Input Current to Any Pin 5 mA Temperature Range -40 to +100 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. ACOUSTIC & ELECTRICAL SPECIFICATIONS TEST CONDITIONS: 23 2C, 5520% R.H., V (min) < V < V (max), no load, unless otherwise indicated DD DD DD Parameter Symbol Conditions Min Typ Max Units 1 Supply Voltage V 1.5 - 3.6 V DD 1,2 Supply Current I - 120 160 A DD 1 Sensitivity S 94 dB SPL 1 kHz -41 -38 -35 dBV/Pa Signal to Noise Ratio SNR 94 dB SPL 1 kHz, A-weighted - 63 - dB(A) 94 dB SPL 1 kHz, Total Harmonic THD - 0.15 1 % Distortion S = Typ, R > 3 k load Acoustic Overload 10% THD 1 kHz, AOP 115 118 - dB SPL Point S = Typ, V = 3.6V, R > 3 k DD load DC Output V = 1.5V - 0.73 - V DD Output Impedance Z 1 kHz - - 400 OUT Directivity Omnidirectional Polarity Increasing sound pressure Increasing output voltage 1 100% tested. 2 Maximum specifications are measured at maximum V . Typical specifications are measured at V = 1.8V. DD DD Revision: D 3/27/2013 Sheet 2 of 11 2013 Knowles Electronics