NUF4220: Audio EMI Filter, 4 Line, with ESD Protection

NUF4220MN is a 4 line LC EMI filter array designed for audio applications. It offers greater than -30 dB attenuation at frequencies from 800 MHz to 5.0 GHz, with no line loss. This part is a single chip solution for audio interface applications, 2 speaker lines with a microphone line. This device also offers ESD protection-clamping transients from static discharges and ESD protection is provided across all capacitors.

Features
  • Provides EMI Filtering and ESD Protection
  • Integration of 20 Discretes
  • Compliance with IEC61000-4-2 (level 4) 18 kV(Contact)
  • DFN8, 2x2 mm Package
  • Moisture Sensitivity Level 1
  • ESD Ratings: Machine Model = C and Human Body Model = 3B
  • Excellent Line Efficiency with Low Line Resistance < 1.1 Ω max
  • This is a Pb-Free Device
Applications
  • Headsets, MP3s, and PDAs
  • Digital Cameras, Portable DVDs, and Handfree Interface
Packages
Data Sheets (1)
Document TitleDocument ID/SizeRevisionRevision Date
Audio EMI Filter, 4 Line, with ESD ProtectionNUF4220MN/D (78.0kB)0
Simulation Models (2)
Document TitleDocument ID/SizeRevisionRevision Date
PSpice ModelNUF4220MN.LIB (2.0kB)0
Spice3 ModelNUF4220MN.SP3 (2.0kB)0
Package Drawings (1)
Document TitleDocument ID/SizeRevision
DFN8 2.0x2.0x0.9mm, 0.5p506AA (31.8kB)F
Order Information
ProductStatusCompliancePackageMSL*ContainerBudgetary Price/Unit
NUF4220MNT1GActivePb-free Halide freeDFN-8506AA1Tape and Reel3000$0.2267
Specifications
ProductInterfaceNumber of LinesFilter TypeR Typ (Ω)C Typ (pF)IR Max (µA)V(BR) Typ (V)VRWM Max (V)
NUF4220MNT1GAudio4L-C0.852050.175
Audio EMI Filter, 4 Line, with ESD Protection (78.0kB) NUF4220
Design Considerations for ESD/EMI Filters NUF4220
Use of NUF4220MN for ESD Protection and EMI Filtering of Audio Lines NUF4220
PSpice Model NUF4220
Spice3 Model NUF4220
DFN8 2.0x2.0x0.9mm, 0.5p NUF4220