The MAX9711ETC+ requires careful layout and placement to minimize noise and ensure proper operation. It is recommended to place the device close to the audio codec or processor, and to use a solid ground plane to reduce noise. Additionally, the input and output traces should be kept short and away from other noisy signals.
The gain setting of the MAX9711ETC+ depends on the specific application and the desired output level. A good starting point is to set the gain to 20dB and adjust from there based on the output level required. It's also important to consider the input signal level and adjust the gain accordingly to avoid clipping or distortion.
The recommended power-up sequence for the MAX9711ETC+ is to first apply the analog power supply (AVDD) and then the digital power supply (DVDD). This ensures that the analog circuitry is powered up before the digital circuitry, which helps to prevent any potential latch-up or damage to the device.
The MAX9711ETC+ has built-in filters to help reduce noise and interference in the audio signal. However, additional filtering may be necessary depending on the specific application. It's recommended to use a combination of passive and active filtering techniques, such as RC filters and active filters, to effectively filter out noise and interference.
The maximum input signal level that the MAX9711ETC+ can handle is 2.2Vrms. Exceeding this level can result in distortion or damage to the device. It's important to ensure that the input signal level is within the recommended range to ensure proper operation and to prevent damage to the device.
MAX9711ETC+ datasheet
by Maxim Integrated Products
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