SPV1840LR5H-B+Rev+B+Datasheet.pdf

Revision: B 2/17/2013 Sheet 1 of 11 ?2014 Knowles Electronics SPV1840LR5H-B Zero-Height SiSonicTM Microphone The SPV1840LR5H-B is a miniature, high- performance, low power, bottom port silicon microphone. Using Knowles’ proven high performance SiSonicTM MEMS technology, the SPV1840LR5H-B 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. Features: ? Small package ? Flat Frequency Response ? Low Current ? MaxRF protection ? Zero-Height MicTM ? Ultra-Stable Performance ? Standard SMD Reflow ? Omnidirectional Revision: B 2/17/2014 Sheet 2 of 11 ?2014 Knowles Electronics SPV1840LR5H-B 1. ABSOLUTE MAXIMUM RATINGS Parameter Absolute Maximum Rating Units VDD to Ground -0.5, +5.0 V OUT to Ground -0.3, VDD + 0.3 V 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 ±2°C, 55±20% R.H., VDD(min) ≤ VDD ≤ VDD(max), no load, unless otherwise indicated Parameter Symbol Conditions Min Typ Max Units Supply Voltage1 VDD 1.5 - 3.6 V Supply Current1 IDD VDD = 1.8V 45 55 μA VDD = 3.6V - 52 60 Sensitivity1 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) Total Harmonic Distortion THD 94 d