A good PCB layout for the TDA8035HN/C1,157 involves keeping the input and output tracks as short as possible, using a solid ground plane, and placing decoupling capacitors close to the device. Additionally, it's recommended to use a separate analog and digital ground plane to minimize noise coupling.
To ensure proper powering and decoupling, connect the VCC pin to a stable 5V power supply, and add a 10uF decoupling capacitor between VCC and GND, as close to the device as possible. Additionally, add a 100nF decoupling capacitor between AVCC and AGND for analog power supply decoupling.
The maximum clock frequency that can be used with the TDA8035HN/C1,157 is 40MHz. However, it's recommended to use a clock frequency of 20MHz or lower to ensure reliable operation and minimize power consumption.
The TDA8035HN/C1,157 can be configured for I2C or SPI interface by setting the appropriate pins high or low. For I2C interface, set the SCL pin high and the SDA pin as an open-drain output. For SPI interface, set the SCK pin high and the SDI pin as an input. Refer to the datasheet for specific pin configurations and settings.
The typical power consumption of the TDA8035HN/C1,157 is around 10mA at 5V supply voltage and 20MHz clock frequency. However, power consumption can vary depending on the specific application, clock frequency, and operating conditions.
TDA8035HN/C1,157 datasheet
by NXP Semiconductors
