Global Difference Amplifier Market By Type (Single Channel Difference Amplifiers , Dual Channels Difference Amplifiers , Triple Channels Difference Amplifiers , and Quad Channels Difference Amplifiers), By Application (High-voltage Current Sensing , Battery Cell Voltage Monitoring , Power-supply Current Monitoring , and Motor Controls), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029