Manufacturer Part Number
MP45DT02
Manufacturer
STMicroelectronics
Introduction
MEMS silicon microphone for audio applications
Product Features and Performance
Type: MEMS (Micro-Electro-Mechanical Systems) Silicon
Output Type: Digital Pulse Density Modulation (PDM)
Directionality: Omnidirectional pickup pattern
Frequency Response: 100 Hz to 10 kHz
Sensitivity: -26dB ±3dB at 94dB Sound Pressure Level (SPL)
Signal-to-Noise Ratio: 61dB
Port Location: Top-ported
Termination Type: Solder Pads
Compact Size Dimensions: 4.72mm L x 3.76mm W
Low Profile: 1.38mm Height
Shape: Rectangular
Product Advantages
High SNR for clear audio capture
Omnidirectional sensitivity captures sound from all directions
Key Technical Parameters
Sensitivity: -26dB ±3dB at 94dB SPL
Signal-to-Noise Ratio: 61dB
Operating Voltage Range: 1.64 V to 3.6 V
Rated Voltage: 1.8 V
Supply Current: 650 µA
Frequency Response: 100 Hz to 10 kHz
Quality and Safety Features
Built with STMicroelectronics' stringent quality controls
Compatibility
Compatible with digital PDM audio input hardware
Application Areas
Suitable for a variety of audio applications from mobile devices to smart home systems
Product Lifecycle
Obsolete status; replacement or upgrade options may be available
Key Reasons to Choose This Product
High fidelity sound capture in a small form factor
Energy efficient with low supply current
Broad operating voltage suitable for diverse applications
Quality assurance from a reputable semiconductor manufacturer
Digital output for direct interface with signal processors and microcontrollers