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PDF CM1411 Data sheet ( Hoja de datos )
| Número de pieza | CM1411 | |
| Descripción | 2 Channel Headset/Speaker EMI Filter with ESD Protection | |
| Fabricantes | California Micro Devices | |
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CM1411www.DataSheet4U.com
2 Channel Headset/Speaker EMI Filter with ESD Protection
Features
• Functionally and pin compatible with CMD’s
CSPEMI201A
• OptiGuard™ coated for improved reliability at
assembly
• Two channels of EMI filtering
• Pi-style EMI filters in a capacitor-resistor-capacitor
(C-R-C) network
• Greater than 40dB attenuation at 1GHz
• +8kV ESD protection on each channel
• (IEC 61000-4-2 Level 4, contact discharge)
• +15kV ESD protection in each channel (HBM)
• Supports AC signals—ideal for audio applications
• Extremely low lead inductance for optimum filter
and ESD performance
• 5-bump, 0.950mm X 1.410mm footprint
Chip Scale Package (CSP)
• Lead-free version available
Applications
• EMI filtering and ESD protection for
headset/speaker ports
• Wireless Handsets
• Handheld PCs / PDAs
• MP3 Players
• Digital Camcorders
• Notebooks
• Desktop PCs
Product Description
The CM1411 is a dual low-pass filter array integrating
two pi-style filters (C-R-C) that reduce EMI/RFI emis-
sions while at the same time providing ESD protection.
This part is custom-designed to interface with a
speaker port on a cellular telephone or similar device.
Each high quality filter provides more than 35dB atten-
uation in the 800-2700 MHz range. These pi-style fil-
ters support bidirectional filtering, controlling EMI both
to and from a speaker element. They also support AC
signals with a cutoff frequency of 31MHz, enabling
audio signals to pass through without distortion.
In addition, the CM1411 provides a very high level of
protection for sensitive electronic components that may
be subjected to electrostatic discharge (ESD). The
CM1411 can safely dissipate ESD strikes of 8kV, the
maximum requirement of the IEC 61000-4-2 interna-
tional standard. Using the MIL-STD-883 (Method 3015)
specification for Human Body Model (HBM) ESD, the
device provides protection for contact discharges to
greater than 15kV.
The CM1411 is particularly well-suited for portable
electronics (e.g., cellular telephones, PDAs, notebook
computers) because of its small package format and
low weight. The CM1411 incorporates OptiGuard™
coating which results in improved reliability at assem-
bly and is available in a space-saving, low-profile Chip
Scale Package with optional lead-free finishing.
Electrical Schematic
SPKR_IN1 A1
10Ω
100pF
100pF
C1
SPKR_OUT1
SPKR_IN2 A3
10Ω
100pF
100pF
C3
SPKR_OUT2
B2
GND
© 2005 California Micro Devices Corp. All rights reserved.
09/15/05 490 N. McCarthy Blvd., Milpitas, CA 95035-5112 ● Tel: 408.263.3214 ● Fax: 408.263.7846 ● www.calmicro.com
1
1 page  
CM1411www.DataSheet4U.com
Application Information
Refer to Application Note AP-217, "The Chip Scale Package", for a detailed description of Chip Scale Packages
offered by California Micro Devices.
PRINTED CIRCUIT BOARD RECOMMENDATIONS
PARAMETER
Pad Size on PCB
Pad Shape
Pad Definition
Solder Mask Opening
Solder Stencil Thickness
Solder Stencil Aperture Opening (laser cut, 5% tapered walls)
Solder Flux Ratio
Solder Paste Type
Pad Protective Finish
Tolerance — Edge To Corner Ball
Solder Ball Side Coplanarity
Maximum Dwell Time Above Liquidous
Maximum Soldering Temperature for Eutectic Devices using a Eutectic Solder Paste
Maximum Soldering Temperature for Lead-free Devices using a Lead-free Solder Paste
VALUE
0.275mm
Round
Non-Solder Mask defined pads
0.325mm Round
0.125 - 0.150mm
0.330mm Round
50/50 by volume
No Clean
OSP (Entek Cu Plus 106A)
+50μm
+20μm
60 seconds
240°C
260°C
Non-Solder Mask Defined Pad
0.275mm DIA.
Solder Stencil Opening
0.330mm DIA.
Solder Mask Opening
0.325mm DIA.
Figure 3. Recommended Non-Solder Mask Defined Pad Illustration
250
200
150
100
Figure 4. Eutectic (SnPb) Solder
Ball Reflow Profile
50
0
1:00.0
2:00.0
3:00.0
4:00.0
Time (minutes)
Figure 5. Lead-free (SnAgCu) Solder
Ball Reflow Profile
© 2005 California Micro Devices Corp. All rights reserved.
09/15/05 490 N. McCarthy Blvd., Milpitas, CA 95035-5112 ● Tel: 408.263.3214 ● Fax: 408.263.7846 ● www.calmicro.com
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet CM1411.PDF ] | |
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