The GW9121 is a high speed, low power, 12-bit, successive-approximation analog-to-digital converter (SAR ADC) that operates from a wide single power supply range of 2.7V to 5.25V. The GW9121 features a serial interface capable of 1MSPS throughput rate, making it suitable for interfacing with microprocessors or DSPs. The GW9121 provides various solutions for battery-powered systems including medical instruments and portable systems.