资 源 简 介
The DG2018 and DG2019 are low voltage, single supplyanalog switches. The DG2018 is a dualdouble-pole/double-throw (DPDT) with two control inputs thateach controls a pair of single-pole/double-throw (SPDT). TheDG2019 uses one control pin to operate four independentSPDT switches.When operated on a +3-V supply, the DG2018’s control pinsare compaTIble with 1.8-V digital logic. The DG2019 has anavailable feature of a VL pin that allows a 1.0-V threshold for thecontrol pin when VL is powered with 1.5 V.Built on Vishay Siliconix’s low voltage submicron CMOSprocess, the DG2018 and DG2019 are ideal for highperformance switching of analog signals; providing lowon-resistance (6 @ +2.7 V), fast speed (Ton, Toff @ 42 nsand 16 ns), and a bandwidth that exceeds 150 MHz.The DG2018 and DG2019 were designed to offer soluTIonsthat extend beyond audio/video funcTIons, to providing theperformance required for today’s demanding mixed-signalswitching in portable applicaTIons.An epitaxial layer prevents latch-up. Brake-before-make isguaranteed for all SPDT’s. All switches conduct equally well inboth directions when on, and blocks up to the power supplylevel when off.
