AS1749 Description
Technical coantmesntAsGtill valid Datasheet AS1747, AS1748, AS1749, AS1750 L o w - Vo l ta g e , D u a l S P D T, Au d i o C l i c k l e s s S w i t.AS1749 Features
* The SPDT (single-pole/double-throw) switches AS1747, AS1748, AS1749 and AS1750 allow signals below ground to pass through without distortion. These analog switches are ideal for switching audio signals, due to their supply voltage from +1.8V to +5.5V and their low 0.4Ω on-resistance. An included coAS1749 Applications
* The device is ideal for cell phones, PDAs and hand-held devices, notebook computers and MP3 players. Figure 1. Typical Operating Circuit Out+ Audio Source 1 Out- NC1 NO1 NC2 Out+ Audio Source 2 Out- NO2 Mute CMPO Shunt Switch COM1 IN1 Input Select 8Ω Speaker IN2 COM2 V+ V+/3 + - CM
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