STAMP0 datasheet(1/62 Pages) STMICROELECTRONICS

部品番号	STAMP0

部品情報	Microphone array processor with TDM output and recombination for wide dynamic range microphones

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メーカー	STMICROELECTRONICS [STMicroelectronics]

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1 / 62 page

April 2016

DocID028639 Rev 1

1/62

This is information on a product in full production.

www.st.com

STAMP0

Microphone array processor with TDM output and recombination

for wide dynamic range microphones

Datasheet - production data

Features

•

Up to 4 dual-channel PDM inputs

supporting:

−

up to 8 single-membrane microphones

−

up to 4 dual-membrane microphones

•

Embedded recombination for dual-

membrane digital microphones

•

I

²C interface

•

3.3 V single supply operation

•

Single serial slave TDM interface

•

Supported PCM sample frequency 44.1 kHz

and 48 kHz

•

VFQFPN package

−

SMD-compliant

−

ECOPACK

®, RoHS and “Green”

compliant

Applications

•

Microphone array applications

•

Beam forming

•

Audio zooming

•

Speech recognition

•

Sound source localization

Description

STAMP0 is a microphone processor designed to

interface a plurality of digital microphones (PDM

inputs) to a generic MCU or host controller

through a serial TDM connection (PCM output).

STAMP0 has 4 PDM input lines to support

connection of up to 8 single-membrane digital

microphones or up to 4 dual-membrane

microphones. Recombination of the dual-

membrane microphone is embedded in the

device.

An internal PLL provides stable clock references

for the embedded processing as well as for the

external microphone array.

An I

²C interface allows setting the internal

registers for the control of the device depending

on the application requirements.

STAMP0 is housed in a small VFQFPN 28-lead 5

x 5 x 1 mm package.

Table 1: Device summary

Part

number

Temperature

range (°C)

Package

Packing

STAMP0

-40 to +125

VFQFPN 28L

5 x 5 x 1 mm

Tray

STAMP0TR

-40 to +125

VFQFPN 28L

5 x 5 x 1 mm

Tape

and reel

VFQFPN 28L 5 x 5 x 1 mm

Obsolete

Product(s)

- Obsolete

Product(s)

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