製品概要
概要
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 I²C 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.
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特徴
- 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
- I²C 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
- Up to 4 dual-channel PDM inputs supporting:
EDAシンボル / フットプリント / 3Dモデル
STマイクロエレクトロニクス - STAMP0
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