MAX4992

19-4150; Rev 1; 6/09 www.DataSheet4U.com Low RON, Dual-SPDT/Single-DPDT Analog Switches with Slow Turn-On Time General Description The MAX4991–MAX4994 low on-resistance analog switches operate from a single +1.8V to +5.5V supply. The MAX4991/MAX4993 feature a slow turn-on time to reduce clicks and pops due to coupling capacitors and audio amplifiers with a DC output bias. This feature provides click-and-pop reduction without adding additional parts for existing architectures. The MAX4991/MAX4992 are dual single-pole/doublethrow (SPDT) switches, while the MAX4993/MAX4994 are double-pole/double-throw (DPDT) switches. The MAX4993/MAX4994 feature an active-low enable input (EN) that sets all the channels to high impedance and reduces supply current when driven high. These devices have 0.3Ω on-resistance and 0.004% THD+N to route high fidelity audio signals. The MAX4991–MAX4994 are available in space-saving 10-pin UTQFN (1.4mm x 1.8mm) package, and are specified for operation over the -40°C to +85°C extended temperature range. Features ♦ Slow Turn-On for Click-and-Pop Reduction Without Additional Parts ♦ Low 0.3Ω On-Resistance ♦ Low RON Flatness (1mΩ) ♦ Low THD+N: 0.004% ♦ +1.8V to +5.5V Single-Supply Operation ♦ 1.2µA (typ) Supply Current ♦ Space-Saving Packages 10-Pin UTQFN (1.4mm x 1.8mm x 0.55mm) MAX4991–MAX4994 Pin Configurations NC2 8 9 10 7 TOP VIEW CB2 COM2 GND 6 5 4 3 NC1 CB1 COM1 MAX4991/ MAX4992 Applications Speaker Headset Source Switching Cellular Phones Po...