CM1681 California Micro Devices Corporation, CM1681 Datasheet

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CM1681

Manufacturer Part Number
CM1681
Description
2 Channel Emi Filter With Esd Protection For Headset Speaker Applications
Manufacturer
California Micro Devices Corporation
Datasheet
Features
© 2007 California Micro Devices Corp. All rights reserved.
04/09/07
Electrical Schematic
2 channels of EMI filtering
Pi-style filters in a capacitor-resistor-capacitor
(C-R-C) network
discharge)
Supports AC signals - ideal for audio applications
Greater than 40dB of attenuation at 1GHz
8-lead, 2.00mm x 2.00mm footprint uDFN Package
Low profile height of 0.5mm
Lead-free finishing
8kV ESD protection (IEC 61000-4-2, contact
15kV ESD protection (HBM)
490 N. McCarthy Blvd., Milpitas, CA 95035-5112
Filter #1
Filter #2
1
4
2 Channel EMI Filter with ESD Protection
for Headset Speaker Applications
100pF
100pF
C
C
10Ω
10Ω
Tel: 408.263.3214
R
R
Applications
Headset speaker 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.
100pF
100pF
C
C
Fax: 408.263.7846
8
5
Filter #1
Filter #2
PRELIMINARY
www.cmd.com
CM1681
1

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CM1681 Summary of contents

Page 1

... I/O port protection for mobile handsets, notebook computers, PDAs etc. • EMI filtering for data ports in cell phones, PDAs or notebook computers. 10Ω R 100pF 100pF C C 10Ω R 100pF 100pF C C Tel: 408.263.3214 Fax: 408.263.7846 ● ● PRELIMINARY CM1681 8 Filter #1 5 Filter #2 1 www.cmd.com ● ...

Page 2

... Down View) (Pins Up View 8-Lead uDFN Package PIN DESCRIPTIONS PART NUMBERING INFORMATION Ordering Part Number CM1681-02DE Tel: 408.263.3214 ● PRELIMINARY CM1681 GND PAD Lead-free Finish 1 Part Marking P81E Fax: 408.263.7846 www.cmd.com ● ● 04/09/07 ...

Page 3

... ABSOLUTE MAXIMUM RATINGS CONDITIONS Note 3 2.5V DC; 1MHz, 30mV ±5. 10mA LOAD I = –10mA LOAD Notes 2 & 3 Ω 100pF Ω Tel: 408.263.3214 ● PRELIMINARY CM1681 RATING –65 to +150 0.5 RATING –40 to +85 (NOTE 1) MIN TYP MAX 160 200 240 100 0.1 1.0 5 ...

Page 4

... 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. 4 490 N. McCarthy Blvd., Milpitas, CA 95035-5112 Tel: 408.263.3214 Fax: 408.263.7846 ● ● PRELIMINARY CM1681 www.cmd.com ● 04/09/07 ...

Page 5

... Mechanical Details uDFN-08 Mechanical Specifications, 0.5mm Dimensions for the CM1681 supplied in a 2mmx2mm, 8-lead, 0.5mm pitch uDFN package are presented below. PACKAGE DIMENSIONS Package uDFN JEDEC MO-229C No. Leads 8 Millimeters Dim. Min Nom Max A 0.45 0.50 0.55 A1 0.00 0.02 0.05 A3 0.127 REF b 0.20 0.25 0.30 D 1.90 2.00 2.10 D2 1.50 1.60 1.70 E 1.90 2.00 2.10 E2 0.80 0.90 1.00 e 0.50 BSC K 0.20 L 0.20 0.30 0.40 # per ...

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