Key facts
- Brand
- STMicroelectronics
- Model
- AN2583
- Industry
- Industrial
- Documents
- 2
- Languages
- EN · ZH
- Last added
- 2012-08-06
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ST AN2583 Application note handbook
This document provides an application note for the M41TOOAUD, a highly integrated circuit combining a real-time clock with an audio section. It is designed for use in all-in-one printer-fax-scanner units and other consumer devices where high functionality and low cost are required. The note details the internal architecture, including the trickle charge circuit, voltage reference, and the audio path consisting of an input amplifier, low-pass filter, and bridged output amplifier.
Read onlineSTMicroelectronics AN2583 specifications
| Output power | 300 mW into an 8 Q load |
|---|---|
| Supply voltage | 3.3 V |
| Low-pass filter frequency | 8 kHz |
| Gain steps | 16-step, digitally controlled |
| Gain range | -33 dB to +12 dB |
| THD specification | less than 2% at 1 kHz |
All STMicroelectronics AN2583 documents by type
How to use the product for one specific task, with worked examples.
Questions answered in these manuals
What is the M41TOOAUD?
It is a highly integrated circuit that combines a real-time clock with an audio section.
What are the typical applications for this device?
It is perfect for all-in-one printer applications and other consumer devices.
What is the total harmonic distortion (THD) specification for the device?
The THD is specified to be less than 29 % at 1 kHz with a 300 mW output.
What is the bandwidth of the low‑pass filter in the audio path?
The low‑pass filter has an 8 kHz cutoff frequency.