Texas Instruments delivers thinnest EMI filters with highest ESD performance
Texas Instruments today introduced six- and four-channel electromagnetic interference (EMI) filters for LCD display applications, the TPD6F202 and TPD4F202. Electrostatic discharge (ESD) ratings exceed the IEC 61000-4-2 specification by at least three times for contact discharge. Both are 67 percent better than the specification for air-gap discharge. This allows the signal to be transmitted through the device while it filters out the higher frequency RF and electromagnetic interferences (RF/EMI) that can appear as lines on a screen, especially LCD displays.
The devices’ compact size allows designers to optimize previously wasted space under connectors. Targeted applications include LCD display interfaces and anything that needs RF/EMI filtering on data lines, such as portable applications, cell phones, LCD interfaces, and video connections.
Key features and benefits of the TPD6F202 and TPD4F202
· These new 300-um packages are less than half the thickness of a credit card, or 60 percent shorter than the nearest competitor, allowing designers to take advantage of previously wasted space under connectors.
· Highest ESD protection rating of +/−25kV with less RF/EMI from the signal antenna to the screen delivers a clearer LCD display.
· Space-saving WCSP with 0.4 mm lead pitch and flow-through pin-mapping facilitates efficient layout in portable applications.
Availability and pricing
The TPD6F202 and TPD4F202 are available now in the space-saving WCSP package with a suggested resale price of $0.21 and $0.17 in quantities of 1,000, respectively.
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