? 1/5 applications: where emi filtering in esd sensitive equipment is required : computers and printer communication systems mobile phones description the EMIF08-2005qej is a highly integrated device designed to suppress emi/rfi noise in all systems subjected to electromagnetic interfer- ences. additionally, the EMIF08-2005qej filter includes an esd protection circuitry which pre- vents destruction when subjected to esd dis- charge up to 15kv. benefits emi symmetrical low-pass filter low pcb space consuming: 9 mm 2 very thin package < 1 mm high reliability offered by monolithic integration complies with the following standards: iec61000-4-2: 15kv (air discharge) 8kv (contact discharge) mil std 883e - method 3015-7 class 3: 25kv (human body test) figure 3: basic cell configuration input output low-pass filter r = 200 c = 50pf max. ? EMIF08-2005qej rev. 3 16 15 14 13 12 11 10 9 1 2 3 4 5678 qfn 3x3mm 16 pins january 2005 figure 2: pin configuration input output low-pass filter input output low-pass filter input output low-pass filter input output low-pass filter 116 215 314 413 input output low-pass filter input output low-pass filter input output low-pass filter input output low-pass filter 512 611 710 89 emi filter including esd protection tm: ipad is a trademark of stmicroelectronics. ipad? table 1: order code part number marking EMIF08-2005qej em08
EMIF08-2005qej 2/5 table 2: absolute ratings (tamb = 25c) table 3: electrical characteristics (t amb = 25 c) symbol parameter and test conditions value unit v pp esd discharge ec61000-4-2 air discharge iec61000-4-2 contact discharge 15 8 kv t j junction temperature 125 c t stg storage temperature range - 55 +150 c t l maximum lead temperature for soldering 260 c symbol parameter v br breakdown voltage i rm leakage current @ v rm v rm stand-off voltage v cl clamping voltage i pp peak pulse current t voltage temperature coefficient v f forward voltage drop r i/o series resistance between input & output c line input capacitance per line symbol test conditions min. typ. max. unit v br i r = 1 ma 6 8 10 v i rm v rm = 3v per line 500 na r d i pp = 10a, t p = 2.5 s1 ? r i/o 180 200 220 ? c in v bias = 0v f = 1mhz v osc = 30mv 45 50 pf v br i pp slope = 1/r d v rm v f i f i i rm v v cl
EMIF08-2005qej 3/5 figure 3: filtering behavior figure 4: capacitance versus reverse applied voltage figure 5: ordering information scheme 100.0k 1.0m 10.0m 100.0m 1.0g -30.00 -25.00 -20.00 -15.00 -10.00 -5.00 f/hz EMIF08-2005qej aplac 7.62 user: stmicroelectronics nov 05 2002 emif08: s21(db) response 0 10 20 30 40 50 60 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 c(v) v (v) r c line (pf) emif 08 - xx zz qej emi filter number of lines information package x = resistance value / 10(ohms) z = capacitance value / 10(pf) qej = qfn 3mm x 3mm
EMIF08-2005qej 4/5 figure 6: qfn package mechanical data figure 7: foot print dimensions (in millimeters) e a a1 e k e2 b r d2 k l a3 d 0.30 0.70 0.65 0.50 1.00 4.00 table 4: ordering information ordering code marking package weight base qty delivery mode EMIF08-2005qej em08 qfn 3x3 16 pins 22.1 mg 3000 tape & reel table 5: revision history date revision description of changes dec-2002 2a last issue. 03-jan-2005 3 minor template update. no content change. ref. dimensions millimeters inches min. typ. max. min. typ. max. a 0.80 0.90 1.00 0.031 0.035 0.039 a1 0 0.02 0.05 0 0.001 0.002 a3 0.20 0.008 b 0.18 0.25 0.30 0.007 0.010 0.012 d 3.00 0.118 d2 0.25 0.70 1.25 0.010 0.028 0.049 e 3.00 0.118 e2 0.25 0.70 1.25 0.010 0.028 0.049 e 0.50 0.020 k 0.20 0.008 l 0.30 0.40 0.50 0.012 0.016 0.020 r 0.09 0.004
EMIF08-2005qej 5/5 information furnished is believed to be accurate and reliable. however, stmicroelectronics assu mes no responsibility for the co nsequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specifications mentioned in this publicati on are subject to change without notice. this publication supersedes and replac es all information previously supplied. stmicroelectronics prod ucts are not authorized for use as critical components in life support devices or systems without express written approval of stmicroelectro nics. the st logo is a registered tr ademark of stmicroelectronics. all other names are the property of their respective owners ? 2005 stmicroelectronics - all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - ital y - japan - malaysia - malta - morocco - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com
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