SPV1840LR5H-B TM Zero-Height SiSonic Microphone The SPV1840LR5H-B is a miniature, high- Features: performance, low power, bottom port Small package silicon microphone. Using Knowles proven Flat Frequency Response TM high performance SiSonic MEMS Low Current technology, the SPV1840LR5H-B consists of MaxRF protection TM an acoustic sensor, a low noise input buffer, Zero-Height Mic and an output amplifier. These devices are Ultra-Stable Performance suitable for applications such as cellphones, Standard SMD Reflow smart phones, laptop computers, sensors, Omnidirectional digital still cameras, portable music recorders, and other portable electronic devices where excellent wideband audio performance and RF immunity are required. Revision: B 2/17/2013 Sheet 1 of 11 2014 Knowles Electronics SPV1840LR5H-B 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 V = 1.8V 45 55 DD Supply Current I A DD V = 3.6V - 52 60 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 - 62.5 - dB(A) 94 dB SPL 1 kHz, Total Harmonic THD - .2 .5 % Distortion S = Typ, R > 2 k load 5% THD 1 kHz, Acoustic Overload AOP 121 123 - dB SPL Point S = Typ, V = 3.6V, R > 2 k DD load Power Supply 200mVpp sinewave PSRR - 58 - dB Rejection Ratio 1 kHz, V = 1.8V DD Power Supply 100 mVpp square wave PSR - -89 - dBV(A) Rejection 217 Hz, V = 1.8V, A-weighted DD DC Output V = 1.5V - 1.10 - V DD Output Impedance Z 1 kHz - 290 400 OUT Directivity Omnidirectional Polarity Increasing sound pressure Increasing output voltage 1 100% tested Revision: B 2/17/2014 Sheet 2 of 11 2014 Knowles Electronics