SPH0642HT5H-1 Wide Bandwidth, Low Noise, Precision TM Top Port SiSonic Microphone The SPH0642HT5H-1 is a miniature, high- Features: performance, low power, top port silicon Matched Sensitivity microphone. Using Knowles proven high Flat Frequency Response TM performance SiSonic MEMS technology, Low Noise the SPH0642HT5H-1 consists of an acoustic Low Current sensor, a low noise input buffer, and an Small package output amplifier. These devices are suitable MaxRF protection TM for applications such as cellphones, smart Zero-Height Mic phones, laptop computers, sensors, digital Ultra-Stable Performance still cameras, portable music recorders, and Standard SMD Reflow other portable electronic devices where Omnidirectional excellent wideband audio performance and RF immunity are required. Revision: A 4/25/2014 Sheet 1 of 11 2014 Knowles Electronics SPH0642HT5H-1 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 V = 1.8V - 117 130 DD 1 Supply Current I A DD - V = 3.6V 132 185 DD 1.8V 1 Sensitivity S 94 dB SPL 1 kHz -39 -38 -37 dBV/Pa Signal to Noise Ratio SNR 94 dB SPL 1 kHz, A-weighted - 65 - dB(A) 94 dB SPL 1 kHz, Total Harmonic THD - .25 - % Distortion S = Typ, R > 3 k load 10% THD 1 kHz, Acoustic Overload AOP - 124 - dB SPL Point S = Typ, V = 3.6V, R > 3 k DD load Power Supply 200mVpp sinewave PSRR 78 dB Rejection Ratio 1 kHz, V = 1.8V DD Power Supply 100 mVpp square wave PSR - -106 dBV(A) Rejection 217 Hz, V = 1.8V, A-weighted DD DC Output V = 1.8V - 1.3 - V DD Output Impedance Z 1 kHz - - 500 OUT Directivity Omnidirectional Polarity Increasing sound pressure Increasing output voltage 1 100% tested. Revision: A 4/25/2014 Sheet 2 of 11 2014 Knowles Electronics