Audio DSP Systems | BELASIGNA R281

常時音声認識、ボイス・トリガ・オーディオ DSP システム

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Overview

BelaSigna® R281 は、広範囲にわたる消費者向け電子デバイスに適した超低電力ボイス・トリガ・ソリューションです。一般的なアプリケーションで、BelaSigna R281 は「常に耳をそばだてて」いて、ユーザーから教え込まれたひと言のトリガ・フレーズを検知すると、ウェイクアップ信号をアサートします。「常時オン」キー・フレーズ検知の平均消費電力は 300 uW 未満 (ただし、マイクロフォンの消費電力を除く) で、待機状態でのバッテリ寿命を維持します。BelaSigna R281 は超小型ソリューションで、5 mm x 5mm QFN32 パッケージと 2.42 mm x 2.74 mm WLCSP パッケージの両方で提供されます。これは、4 mil ルーティングを使用し、必要最低限の外付け部品とともに、シングル・レイヤ PCB 上に設計できます。デバイスが動作するように構成するには、外部の I2C ホスト・コントローラが必要です。

  • "Always Listening" Hands-Free Voice Trigger

  • Smartphones
  • Tablets
  • Wearables
  • Smart Watches
  • Portable Electronic Devices
  • Personal Communication Devices
  • Any device with an extremely low-power sleep mode which could benefit from "always listening" voice trigger technology

  • Ultra-Low-Power
  • Superior Performance
  • Mixed-Signal
  • Easy Design-In

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状態

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

DSP Core (bits)

Coprocessor Type

MIPS

Dynamic Range (dB)

RAM (kB)

Istandby Typ (µA)

Audio Inputs

Audio Outputs

Reference Price

BR281Q32A101V1G

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Obsolete

CAD Model

Pb

A

H

P

QFN-32

488AM

3

260

REEL

5000

N

16

WOLA

60

-

-

160

1

0

Price N/A

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BR281W31A101V1G

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Last Shipments

CAD Model

Pb

A

H

P

WLCSP-31

567NB

1

260

REEL

2500

N

16

WOLA

60

-

-

170

1

0

Price N/A

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信頼性データ

Die Related Summary Data

Device: BR281W31A101V1G

Equivalent to wafer fab process: ONC18

製品技術

製品技術

等価デバイス時間

MTBF/MTTF (時間)

FITS

ONC18

2

6465777234

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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