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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$)* | Quantity | ECCN (US) | Country of Origin | Order from Distributors | Order from ST |
|---|---|---|---|---|---|---|---|---|---|
| MP23ABS1 | RHLGA 2.65X3.5X1.08(MAX)MM 4L | Tray |
Preview
|
1.1 | 1000 | EAR99 | - | No availability of distributors reported, please contact our sales office | |
| MP23ABS1TR | RHLGA 2.65X3.5X1.08(MAX)MM 4L | Tape And Reel |
Active
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1.1 | 1000 | EAR99 | - | Check Availability | Buy now |
MP23ABS1
Package
RHLGA 2.65X3.5X1.08(MAX)MM 4LPacking Type
TrayUnit Price (US$)
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
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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 Part NumberMicrophone coupon board based on the MP23ABS1 analog MEMS
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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
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RHLGA 2.65X3.5X1.08(MAX)MM 4L | Industrial | Ecopack2 (**) | |
| MP23ABS1TR |
Active
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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.
