Product overview
Description
The MP23DB02MM is an ultra-compact, low-power, omnidirectional, digital MEMS microphone built with a capacitive sensing element and an IC interface with optional stereo configuration.
The sensing element, capable of detecting acoustic waves, is manufactured using a specialized silicon micromachining process dedicated to produce audio sensors.
The IC interface is manufactured using a CMOS process that allows designing a dedicated circuit able to provide a digital signal externally in PDM format.
The MP23DB02MM offers multiple performance modes enabled by different clock frequency ranges (power-down, low-power and normal mode). The device has a narrow sensitivity range of ±1 dB, high SNR and low distortion for all operative modes.
The MP23DB02MM is available in a bottom-port, SMD-compliant, EMI-shielded package and is guaranteed to operate over an extended temperature range from -40 °C to +85 °C.
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All features
- Omnidirectional digital microphone
- Sensitivity: –26 dBFS ±1dB
- “Always-on" experience with low power consumption
- Multiple performance modes (sleep, low power, normal)
- Typical current consumption
2 μA (sleep mode) 285 µA (low-power mode) 800 µA (normal mode) - 122 dBSPL acoustic overload point for all operative modes
- PDM single-bit output with option for stereo configuration
- RHLGA package
Bottom-port design SMD-compliant EMI-shielded ECOPACK, RoHS and “Green” compliant
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A MEMS microphone is an electro-acoustic transducer housing a sensor (MEMS) and an application-specific integrated circuit (ASIC) in a single package.
Top port MEMS microphones are designed in a plastic package with a dedicated ground ring around the port hole for ESD robustness. The MEMS are positioned directly beneath the port hole to maximize acoustic performance. Bottom port devices are designed in a metal package to improve product robustness and reliability. The substrate includes capacitance plating to improve RF immunity.
MEMS microphones with Analog output means lower power consumption and a smaller/compact ASIC structure. Digital MEMS microphone includes an ADC to convert the analog signal to a PDM signal thus allowing a robust data transmission and better EMI rejection
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STMicroelectronics - MP23DB02MM
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Quality and Reliability
| Part Number | Marketing Status | Package | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|
| MP23DB02MMTR | Active | RHLGA 3.5X2.65X0.98 MM 4L | Ecopack1 | |
MP23DB02MMTR
Package:
RHLGA 3.5X2.65X0.98 MM 4LMaterial Declaration**:
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
Sample & Buy
| Part Number | Order from distributors | Order from ST | Marketing Status | ECCN (US) | ECCN (EU) | Packing Type | Package | Temperature (°C) | Country of Origin | Budgetary Price (US$)*/Qty | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||
| MP23DB02MMTR | distributors No availability of distributors reported, please contact our sales office | Active | EAR99 | NEC | Tape and Reel | RHLGA 3.5X2.65X0.98 MM 4L | -40 | 85 | CHINA | | ||
MP23DB02MMTR Active
Buy Direct at ST (*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors