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The MP23ABS1 is a compact, low-power microphone built with a capacitive sensing element and an IC interface.
The sensing element, capable of detecting acoustic waves, is manufactured using a specialized silicon micromachining process to produce audio sensors.
The MP23ABS1 has an acoustic overload point of 130 dBSPL with a typical 64 dB signal-to-noise ratio.
The sensitivity of the MP23ABS1 is -38 dBV ±1 dB @ 94 dBSPL, 1 kHz.
The MP23ABS1 is available in a package compliant with reflow soldering and is guaranteed to operate over an extended temperature range from -40 °C to +85 °C.Key Features
- Single supply voltage operation 1.52 V - 3.6 V
- Omnidirectional sensitivity
- High signal-to-noise ratio
- High acoustic overload point: 130 dBSPL typ.
- Package compliant with reflow soldering
- Enhanced RF immunity
- Ultra-flat frequency response
- Low latency
- Ultra-low-power: 150 μA max
- ECOPACK®, RoHS, and “Green” compliant
Sample & Buy
| Part Number | Package | Packing Type | Marketing Status | Budgetary Price (US$)* | Quantity | ECCN (US) | Country of Origin | Order from Distributors | Order from ST |
|---|---|---|---|---|---|---|---|---|---|
| MP23ABS1 | RHLGA 2.65X3.5X1.08(MAX)MM 4L | Tray | Preview | 1.1 | 1000 | EAR99 | - | No availability of distributors reported, please contact our sales office | |
| MP23ABS1TR | RHLGA 2.65X3.5X1.08(MAX)MM 4L | Tape And Reel | Active | 1.1 | 1000 | EAR99 | MALTA | No availability of distributors reported, please contact our sales office |
MP23ABS1
Package
RHLGA 2.65X3.5X1.08(MAX)MM 4LPacking Type
TrayUnit Price (US$)
1.1*MP23ABS1TR
Package
RHLGA 2.65X3.5X1.08(MAX)MM 4LPacking Type
Tape And ReelUnit Price (US$)
1.1*(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
Featured Videos
The STEVAL-MKSBOX1V1 (SensorTile.box) is a ready-to-use box kit with wireless IoT and wearable sensor platform to help you use and develop apps based on remote motion and environmental sensor data, regardless of your level of expertise.
For both analog and digital microphones and our audio processor workbench
Evaluation Tools
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Picture Part number Manufacturer Description 
STEVAL-MIC004V1 ST Microphone coupon board based on the MP23ABS1 analog MEMS 
STEVAL-MKSBOX1V1 ST SensorTile.box wireless multi sensor development kit with user friendly app for IoT and wearable sensor applications Part NumberMicrophone coupon board based on the MP23ABS1 analog MEMS
SensorTile.box wireless multi sensor development kit with user friendly app for IoT and wearable sensor applications
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Picture Part number Manufacturer Description 
STEVAL-STWINMAV1 ST Analog microphone array expansion for the SensorTile Wireless Industrial Node (STWIN) kit Part NumberAnalog microphone array expansion for the SensorTile Wireless Industrial Node (STWIN) kit
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| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| MP23ABS1 | Preview | RHLGA 2.65X3.5X1.08(MAX)MM 4L | Industrial | Ecopack2 | |
| MP23ABS1TR | Active | RHLGA 2.65X3.5X1.08(MAX)MM 4L | Industrial | Ecopack2 (**) |
(**) 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.
