Electronic device and method of operating the same

A method of operating an electronic device, the method comprising:

• classifying a plurality of analog-to-digital converters into a plurality of default analog-to-digital converter groups;
• generating analog input signals for the plurality of analog-to-digital converters using an operation based on a plurality of input voltages and a plurality of weight data;
• calculating an average and a standard deviation of the analog input signals;
• generating input signal distribution information of the plurality of default analog-to-digital converter groups based on the analog input signals using the average and the standard deviation;
• classifying the plurality of default analog-to-digital converter groups into a plurality of first analog-to-digital converter groups based on the input signal distribution information of the plurality of default analog-to-digital converter groups;
• determining an input range of each of the plurality of first analog-to-digital converter groups based on the input signal distribution information of the plurality of default analog-to-digital converter groups;
• and
• controlling the plurality of analog-to-digital converters to operate according to an input range of a corresponding first analog-to-digital converter group among the plurality of first analog-to-digital converter groups.

A method of operating an electronic device, the method comprising:

• classifying a plurality of analog-to-digital converters into a plurality of default analog-to-digital converter groups;
• generating analog input signals for the plurality of analog-to-digital converters using an operation based on a plurality of input voltages and a plurality of weight data;
• generating input signal distribution information of the plurality of default analog-to-digital converter groups based on the analog input signals;
• classifying the plurality of default analog-to-digital converter groups into a plurality of first analog-to-digital converter groups based on the input signal distribution information of the plurality of default analog-to-digital converter groups;
• determining an input range of each of the plurality of first analog-to-digital converter groups based on the input signal distribution information of the plurality of default analog-to-digital converter groups;
• and
• controlling the plurality of analog-to-digital converters to operate according to an input range of a corresponding first analog-to-digital converter group among the plurality of first analog-to-digital converter groups, wherein the method further comprises:
• obtaining an output value for input data using a neural network model that is configured to apply to the plurality of analog-to-digital converters controlled to operate according to the determined input range;
• measuring accuracy of the neural network model based on the output value;
• increasing the number of groups to which the plurality of analog-to-digital converters are classified or the number of output bits of the plurality of analog-to-digital converters, in response to the accuracy being less than a preset threshold value.