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AN3631
| Title |
Title
Low-BOM Microphone Interface Using the Analog Signal Conditioning (OPAMP) Peripheral
|
|---|---|
| Name |
Name
AN3631
|
| Date |
Date
09/11/2020
|
| Description |
Description
This application note describes how to interface an electret microphone with a microcontroller (MCU) using the Analog Signal Conditioning (OPAMP) peripheral. In addition to the microphone, only one resistor and one capacitor are required. The OPAMP peripheral also provides the ability to adjust the gain under firmware control.
|
Silicon Products
| Description | Product |
Description |
|---|---|---|
|
AVR32DB48
Analog Signal Conditioning, Multi-Voltage I/O
|
AVR32DB48 | Analog Signal Conditioning, Multi-Voltage I/O |
|
AVR32DB28
Analog Signal Conditioning, Multi-Voltage I/O
|
AVR32DB28 | Analog Signal Conditioning, Multi-Voltage I/O |
|
AVR32DB32
Analog Signal Conditioning, Multi-Voltage I/O
|
AVR32DB32 | Analog Signal Conditioning, Multi-Voltage I/O |
|
AVR128DB64
Analog Signal Conditioning, Multi-Voltage I/O
|
AVR128DB64 | Analog Signal Conditioning, Multi-Voltage I/O |
|
AVR128DB28
Analog Signal Conditioning, Multi-Voltage I/O
|
AVR128DB28 | Analog Signal Conditioning, Multi-Voltage I/O |
|
AVR128DB48
Analog Signal Conditioning, Multi-Voltage I/O
|
AVR128DB48 | Analog Signal Conditioning, Multi-Voltage I/O |
|
AVR128DB32
Analog Signal Conditioning, Multi-Voltage I/O
|
AVR128DB32 | Analog Signal Conditioning, Multi-Voltage I/O |
|
AVR64DB32
Analog Signal Conditioning, Multi-Voltage I/O
|
AVR64DB32 | Analog Signal Conditioning, Multi-Voltage I/O |
|
AVR64DB48
Analog Signal Conditioning, Multi-Voltage I/O
|
AVR64DB48 | Analog Signal Conditioning, Multi-Voltage I/O |
|
AVR64DB28
Analog Signal Conditioning, Multi-Voltage I/O
|
AVR64DB28 | Analog Signal Conditioning, Multi-Voltage I/O |
|
AVR64DB64
Analog Signal Conditioning, Multi-Voltage I/O
|
AVR64DB64 | Analog Signal Conditioning, Multi-Voltage I/O |