STEVAL-STWINMA2

批量生产
Design Win

Industrial analog microphone array expansion for the SensorTile Wireless Industrial Node (STWIN) kit

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产品概述

描述

The STEVAL-STWINMA2 microphone array expansion adds advanced audio sensing capabilities to the STEVAL-STWINKT1B (and STEVAL-STWINKT1) SensorTile Wireless Industrial Node (STWIN) kit for high frequency vibration monitoring applications.

The board includes four low-power, high signal-to-noise ratio (SNR) IMP23ABSU capacitive sensing microphones, supported by a very low drop voltage, low quiescent current, and low-noise voltage regulator, ideal for battery-powered applications such as STWIN.

The expansion board is connected via a dedicated 12-pin connector to the core system board.

The combination of STWIN and STEVAL-STWINMA2 is supported thanks to the software examples provided within the X-CUBE-MEMSMIC1 expansion software package for STM32Cube.

The package includes one example of microphone data steaming via USB and one example of ultrasound condition monitoring (UltrasoundFFT) that calculates the FFT of the analog microphone signal and streams the result to a PC GUI via USB.

The microphone sampling rate is set by default to 192 kHz whereas the microphone bandwidth is up to 80 kHz.

  • 所有功能

    • Analog microphone array expansion for STEVAL-STWINKT1B (and STEVAL-STWINKT1)
    • Connects to the STWIN core system board through a dedicated 12-pin connector
    • 3 V to 5.5 V power supply input
    • 4 mm square-shaped differential microphone array
    • Four IMP23ABSU high-performance, single-ended, analog, bottom-port MEMS microphones
    • LDK130 300 mA low quiescent current very low noise LDO
    • Ultrasound frequency response up to 80 kHz
    • On-board audio-grade quad ADC
    • Serial audio interface (SAI) digital output

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质量与可靠性

产品型号 Marketing Status 等级规格 符合RoHS级别 WEEE Compliant 材料声明**
STEVAL-STWINMA2
批量生产
CARD 工业 Ecopack2 Yes

STEVAL-STWINMA2

Package:

CARD

Material Declaration**:

Marketing Status

批量生产

Package

CARD

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此,它们可能不是100%适用于特定的设备。有关特定设备的信息,请联系 销售支持

样片和购买

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产品型号
供货状态
Budgetary Price (US$)*/Qty
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包装类型
RoHS
Country of Origin
ECCN (US)
ECCN (EU)
供应商
核心产品
STEVAL-STWINMA2
Available at distributors

经销商的可用性 STEVAL-STWINMA2

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STEVAL-STWINMA2 批量生产

Budgetary Price (US$)*/Qty:
-
包:
包装类型:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

产品型号:

STEVAL-STWINMA2

供应商:

ST

核心产品:

IMP23ABSUTR

代理商名称

代理商库存报告日期:

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(*) 建议转售单价(美元)仅用于预算用途。如需以当地货币计价的报价,请联系您当地的 ST销售办事处 或我们的 经销商