Key facts
- Brand
- STMicroelectronics
- Model
- STA321
- Category
- Other Electronics
- Documents
- 3
- Languages
- EN
- Last added
- 2012-08-08
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STA321MP Scalable Digital Microphone Processor Datasheet
The STA321MP is a fully digital PDM high-performance multichannel processor designed for general-purpose digital microphone applications. It features up to six serial digital inputs (PDM) and two additional virtual channels, delivering over 100 dB of signal-to-noise ratio and dynamic range.
Read onlineSTMicroelectronics STA321 specifications
| Digital processing channels | 8 digital processing channels each 24-bit |
|---|---|
| PDM input channels | 6channels of PDM input |
| Signal-to-noise ratio (SNR) | >100 dB SNR and dynamic range |
| Digital gain/attenuation range | +58 dB to -100 dB in 0.5 dB steps |
| User-programmable biquads (EQ) | Up to 10 independent 32-bit user-programmable biquads (EQ) per channel |
| Output interface data streams | I2S data outputs |
Source: STA321MP Scalable Digital Microphone Processor Datasheet
All STMicroelectronics STA321 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the primary application of the STA321MP?
The device is designed for general-purpose digital microphone applications.
From: STA321MP Scalable Digital Microphone Processor Datasheet
How many PDM input channels does the processor support?
It can accept up to six serial digital inputs via PDM.
From: STA321MP Scalable Digital Microphone Processor Datasheet
What is the maximum dynamic range of the STA321?
The device provides a 100-dB dynamic range.
Does the STA321 support microphone input biasing?
Yes, it includes a 16-bit stereo ADC with PGA and microphone biasing.
What is the maximum power output of the embedded CMOS bridge for headphones?
The embedded CMOS bridge supplies up to 0.5 W into an 8 Q load and 70 mW into a 16 Q load for the headphones output.
From: STMicroelectronics STA321MP Four-Channel Digital Audio System Datasheet
What is the physical size of the STA321MP package?
The device comes in a 56-pin, 8 mm x 8mm, VFQFPN2 package.
From: STMicroelectronics STA321MP Four-Channel Digital Audio System Datasheet