Circuit Protection for Keypad or General I/O

On Semiconductor has integrated devices designed to suppress EMI/RFI noise for keypad interfaces subjected to electromagnetic interferences. These filters includes ESD protection.



Keypad EMI Suppression - Four to Sixteen Data Lines
EMI Filters + ESD Protection

Features/Benefits

Typical Insertion Loss Curve

Typical Keypad Circuit Use

Typical Insertion Loss Curve Typical Keypad Circuit Use

Device Channels Capacitance @ 2.5 V (pF) Resistance (Ω) Attenuation @ 800 MHz (-db) Bandwidth F3db (MHz) Size
L x W x H (mm)
UDFN
EMI5204 4 TBD 100 20 250 1.7 x 1.35 x 0.55
EMI5206 6 TBD 100 20 250 2.5 x 1.35 x 0.55
EMI5208 8 TBD 100 20 250 3.3 x 1.35 x 0.55

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