? 2007 california micro devices corp. all rights reserved. 03/30/07 490 n. mccarthy blvd., milpitas, ca 95035-5112 l tel: 408.263.3214 l fax: 408.263.7846 l www.cmd.com 1 cm1482 2 channel emi filter with esd protection for headset microph one applications features ? 2 channels of emi filtering ? pi-style filters in a capacitor-resistor-capacitor (c-r-c) network ? 8kv esd protection (iec 61000-4-2, contact discharge) ? 15kv esd protection (hbm) ? supports ac signals - ideal for audio applications ? greater than 40db of attenuation at 1ghz ? 8-lead, 2.00mm x 2.00mm footprint tdfn package ? low profile maximum height of 0.8mm ? lead-free finishing applications ? headset microphone port in mobile handsets ? i/o port protection for mobile handsets, notebook computers, pdas etc. ? emi filtering for data ports in cell phones, pdas or notebook computers. electrical schematic 68 47pf 47pf 68 8 5 1 4 filter #1 filter #2 filter #2 filter #1 47pf 47pf cc c c r r
? 2007 california micro devices corp. all rights reserved. 2 490 n. mccarthy blvd., milpitas, ca 95035-5112 l tel: 408.263.3214 l fax: 408.263.7846 l www.cmd.com 03/30/07 cm1482 ordering information note 1: parts are shipped in tape & reel form unless otherwise specified. pin descriptions pin name description 1 filter #1 filter #1 2 nc no connect 3 nc no connect 4 filter #2 filter #2 5 filter #2 filter #2 6 nc no connect 7 nc no connect 8 filter #1 filter #1 dap gnd ground package / pinout diagrams note:this drawing is not to scale. CM1482-02DE 8 lead tdfn package gnd pa d 4 3 2 1 5 6 7 8 pin 1 82e 4 3 2 1 5 6 7 8 marking bottom view (pins up view) top view (pins down view) part numbering information pins package lead-free finish ordering part number 1 part marking 8 tdfn CM1482-02DE 82e
? 2007 california micro devices corp. all rights reserved. 03/30/07 490 n. mccarthy blvd., milpitas, ca 95035-5112 l tel: 408.263.3214 l fax: 408.263.7846 l www.cmd.com 3 cm1482 specifications note 1: t a = 25c unless otherwise specified. note 2: esd applied to input and output pins with respect to gn d, one at a time. clamping voltage is measured at the opposite si de of the emi filter to the esd pin (i.e. if esd is appli ed to pin 1 then clamping voltage is measured at pin 8). note 3: these parameters guaranteed by design and characterization. absolute maximum ratings parameter rating units storage temperature range ?65 to +150 c dc package power rating 0.5 w standard operating conditions parameter rating units operating temperature range ?40 to +85 c electrical operating characteristics (note 1) symbol parameter conditions min typ max units r resistance r 61 68 75 r match resistor-to-resistor matching note 3 5 % c tot total channel capacitance 2.5v dc; 1mhz, 30mv ac 74 94 114 pf c capacitance c 47 pf i leak diode leakage current v in = 5.0v 0.1 1.0 a v sig signal clamp voltage positive clamp negative clamp i load = 10ma i load = ?10ma 5 ?15 7 -10 15 ?5 v v v esd in-system esd wi thstand voltage human body model, mil-std-883, method 3015 contact discharge per iec 61000-4-2 level 4 notes 2 & 3 15 8 kv kv f c cut-off frequency z source = 50 , z load = 50 r = 68 , c = 47pf 60 mhz
? 2007 california micro devices corp. all rights reserved. 4 490 n. mccarthy blvd., milpitas, ca 95035-5112 l tel: 408.263.3214 l fax: 408.263.7846 l www.cmd.com 03/30/07 cm1482 performance information typical filter performance (nominal conditions unless specified otherwise, 50 ohm environment) figure 1. insertion loss vs. frequency (filter #1 to gnd) figure 2. insertion loss vs. frequency (filter #2 to gnd)
? 2007 california micro devices corp. all rights reserved. 03/30/07 490 n. mccarthy blvd., milpitas, ca 95035-5112 l tel: 408.263.3214 l fax: 408.263.7846 l www.cmd.com 5 cm1482 mechanical details tdfn-08 mechanical specifications, 0.5mm the cm1482 is supplied in an 8-lead 0.5mm tdfn package. dimensions are presented below. for complete information on the tdfn-08, see the cal- ifornia micro devices tdfn package information docu- ment. * this package is compliant with jedec standard mo-229, variation vccd-3 with exception of the d2 and e2 dimensions as called out in the table above and the r1 dimension which is not specified in the mo-229 standard. package dimensions for 8-lead, 0.5mm pitch tdfn package package dimensions package tdfn jedec no. mo-229 (var. vccd-3) * leads 8 dim. millimeters inches min nom max min nom max a 0.70 0.75 0.80 0.028 0.030 0.031 a3 0.20 ref 0.008 ref b 0.20 0.25 0.30 0.008 0.010 0.012 d 1.90 2.00 2.10 0.075 0.079 0.083 d2 1.50 1.60 1.70 0.059 0.063 0.067 e 1.90 2.00 2.10 0.075 0.079 0.083 e2 0.80 0.90 1.00 0.031 0.035 0.039 e 0.50 bsc 0.020 bsc k 0.20 0.008 l 0.20 0.30 0.40 0.008 0.012 0.016 # per tape and reel 3000 pieces controlling dimension: millimeters mechanical package diagrams bottom view a a3 0.10 c side view top view b l 0.10 c a b m 8x d2 e2 e gnd pad d e pin 1 marking 4 3 2 1 5 6 7 8 k r 5 6 7 8 3 2 14 c0.25
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