محصولات صوتی میکروفون

Product Attributes

Introduction

The SPH0655LM4H-1 is a miniature, high-performance, low-power, bottom-port silicon digital microphone with a single-bit PDM output. The device employs Knowles' proven high-performance SiSonic MEMS technology, incorporating an acoustic sensor, a low-noise input buffer, and a Σ-Δ modulator. These devices are suitable for applications requiring excellent wideband audio performance and RF immunity, such as mobile phones, smartphones, laptops, sensors, digital cameras, portable music recorders, and other portable electronic devices. In addition, the SPH0655LM4H-1 offers multiple performance modes.

Features

• Low distortion / high acoustic overload point
• High SNR
• Low current consumption in low-power mode
• Flat frequency response
• High drive capability
• RF shielding
• Bottom port
• Sensitivity matching
• Dual multiplexed channel support
• Multiple performance modes (sleep, low-power, normal)
• Ultra-stable performance
• Omnidirectional
• Standard SMD reflow soldering
• LGA package

Applications

• Portable electronic devices
• Mobile phones
• Laptops
• Tablets
• Digital cameras
• Portable music recorders