12-Bit, +3.3V, 130MSPS, High Speed D/A Converter The ISL76161 is a 12-bit, 130MSPS (Mega-Samples Per Second), CMOS, high speed, low power, D/A (digital to analog) converter, designed specifically for use in radar systems or high performance communication systems, such as base transceiver stations utilizing 2.5G or 3G cellular protocols.