The recommended layout and placement for the MAX5353AEPA+ involves keeping the device away from high-current carrying traces, using a solid ground plane, and placing bypass capacitors close to the device. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended. Refer to the Maxim Integrated Products application note AN1991 for more details.
To ensure proper power-up and initialization, the MAX5353AEPA+ requires a monotonic power supply ramp-up, a minimum supply voltage of 2.7V, and a clock frequency of at least 10kHz. The device also requires a reset pulse on the RST pin to initialize the internal registers. Refer to the datasheet section 7.1 for more details.
The maximum allowed capacitive load on the DAC outputs of the MAX5353AEPA+ is 200pF. Exceeding this limit may cause instability or oscillations in the output stage. It is recommended to use a buffer amplifier or an op-amp to drive heavy capacitive loads.
The internal voltage reference of the MAX5353AEPA+ can be calibrated by using the REFADJ pin to adjust the reference voltage. A calibration procedure is described in the datasheet section 9.1, which involves measuring the output voltage of the DAC and adjusting the REFADJ pin to achieve the desired reference voltage.
The MAX5353AEPA+ has a thermal derating of 6.4mW/°C above 25°C. This means that the maximum power dissipation of the device decreases by 6.4mW for every degree Celsius above 25°C. It is essential to ensure proper thermal management to prevent overheating and ensure reliable operation.
MAX5353AEPA+ datasheet
by Maxim Integrated Products
