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Single and Dual Comparators Enable Different Audio Jacks to be Used in Same Device

Thu, 08/11/2011 - 10:55am
single and dual comparatorsFairchild’s FAN156 and FAN256 low power comparators typically consume less than 10 µA of supply current. They operate at a low voltage of 1.6 V and are fully operational up to 5.5 V, making them appropriate for use in 1.8-V, 3.0-V and 5.0-V systems. These comparators are suitable for applications including mobile phones, alarm and security systems, personal digital assistants, computers and portable medical devices. In mobile applications, the FAN156 and FAN256 help reduce the 3-times falling issue associated with slow insertion of an audio headset jack, as well as enable different audio headset jacks to be used in the same device. Both devices feature a complementary push-pull P- and N-channel output stage capable of driving a rail-to-rail output swing with a load ranging up to 5.0 mA.

Fairchild Semiconductor
888-522-5372, www.fairchildsemi.com 
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