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MAX4994EVB+ Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX4994EVB+ Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 10 page 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 pro- vides click-and-pop reduction without adding additional parts for existing architectures. The MAX4991/MAX4992 are dual single-pole/double- throw (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 0.3 Ω 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 extend- ed temperature range. Applications Speaker Headset Source Switching Cellular Phones Portable MP3 Players Audio Signal Routing 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) Low RON, Dual-SPDT/Single-DPDT Analog Switches with Slow Turn-On Time ________________________________________________________________ Maxim Integrated Products 1 Ordering Information/Selector Guide 19-4150; Rev 1; 6/09 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Note: All devices operate over -40°C to +85°C extended temperature range. + Denotes a lead(Pb)-free/RoHS-compliant package. * Future product—contact factory for availability. PART PIN-PACKAGE CONFIGURATION SLOW-SWITCHING TIME ENABLE LINE TOP MARK MAX4991EVB+* 10 UTQFN Dual SPDT Yes No AAD MAX4992EVB+ 10 UTQFN Dual SPDT No No AAE MAX4993EVB+ 10 UTQFN DPDT Yes Yes AAF MAX4994EVB+* 10 UTQFN DPDT No Yes AAG Typical Application Circuit appears at end of data sheet. TOP VIEW 5 4 3 8 9 10 MAX4993/ MAX4994 7 6 1 2 NC1 CB COM1 NO2 COM2 UTQFN EN 5 4 3 8 9 10 MAX4991/ MAX4992 7 6 1 2 NC1 CB1 COM1 NO2 COM2 CB2 UTQFN Pin Configurations |
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