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California Micro Devices

CM1431 Datasheet Preview

CM1431 Datasheet

LCD and Camera EMI Filter Array

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CM1431
LCD and Camera EMI Filter Array with ESD Protection
Features
• Four, six and eight channels of EMI filtering with
integrated ESD protection
• Pi-style EMI filters in a capacitor-resistor-capacitor
(C-R-C) network
±15kV ESD protection on each channel
(IEC 61000-4-2 Level 4, contact discharge)
±30kV ESD protection on each channel (HBM)
• Greater than 35dB attenuation (typical) at 1 GHz
• TDFN package with 0.40mm lead pitch:
w w w . D a4-tcha. =S8-hleaed TeDFt N4 U . c o m
• 6-ch. = 12-lead TDFN
• 8-ch. = 16-lead TDFN
• Tiny TDFN package size:
• 8-lead: 1.7mm x 1.35mm
• 12-lead: 2.5mm x 1.35mm
• 16-lead: 3.3mm x 1.35mm
• Increased robustness against vertical impacts
during manufacturing process
• Lead-free finishing
Applications
• LCD and Camera data lines 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.
• Wireless handsets
• Handheld PCs/PDAs
• LCD and camera modules
Product Description
The CM1431 is a family of pi-style EMI filter arrays with
ESD protection, which integrates four, six and eight fil-
ters (C-R-C) in small form factor TDFN 0.40mm pitch
packages. The CM1431 has component values of
15pF-100Ω-15pF per channel. The CM1431 has a cut-
off frequency of 120MHz and can be used in applica-
tions with data rates up to 48Mbps. The parts include
ESD diodes on every pin, which provide a very high
level of protection for sensitive electronic components
that may be subjected to electrostatic discharge (ESD).
The ESD protection diodes safely dissipate ESD
strikes of ±15kV, well beyond the maximum require-
ment of the IEC61000-4-2 international standard.
Using the MIL-STD-883 (Method 3015) specification
for Human Body Model (HBM) ESD, the pins are pro-
tected for contact discharges at greater than ±30kV.
These devices are particularly well-suited for portable
electronics (e.g. wireless handsets, PDAs, notebook
computers) because of their small package and easy-
to-use pin assignments. In particular, the CM1431 is
ideal for EMI filtering and protecting data and control
lines for the I/O data ports, LCD display and camera
interface in mobile handsets.
The CM1431 is housed in space-saving, low-profile 8-,
12- and 16-lead TDFN packages with a 0.40mm pitch
and is available with lead-free finishing. This smaller
size TDFN package provides up to 42% board space
saving vs. the 0.50mm pitch TDFN packages.
Electrical Schematic
FILTER+ESDn*
GND
100Ω
15pF R
C
15pF
C
FILTER+ESDn*
* See Package/Pinout Diagram
for expanded pin information.
1 of 4, 6 or 8 EMI/RFI + ESD Channels
© 2006 California Micro Devices Corp. All rights reserved.
02/06/06
490 N. McCarthy Blvd., Milpitas, CA 95035-5112 Tel: 408.263.3214 Fax: 408.263.7846 www.cmd.com
1




California Micro Devices

CM1431 Datasheet Preview

CM1431 Datasheet

LCD and Camera EMI Filter Array

No Preview Available !

CM1431
TOP VIEW
(Pins Down View)
8765
PACKAGE / PINOUT DIAGRAMS
BOTTOM VIEW
(Pins Up View)
1234
TOP VIEW
(Pins Down View)
12 11 10 9 8 7
BOTTOM VIEW
(Pins Up View)
1 23 45 6
Pin 1
Marking
XX
GPANDD
Pin 1
Marking
XXXX
GND
PAD
1234
8765
www.DataSheet4U.com
CM1431-04DF/DE
8 Lead TDFN Package
TOP VIEW
(Pins Down View)
16 15 14 13 12 11 10 9
1 23 45 6
12 11 10 9 8 7
CM1431-06DF/DE
12 Lead TDFN Package
BOTTOM VIEW
(Pins Up View)
1 23 45 6 7 8
Pin 1
Marking
XXXXX
GND
PAD
Notes:
1) These drawings are not to scale.
1 23 45 6 7 8
16 15 14 13 12 11 10 9
CM1431-08DF/DE
16 Lead TDFN Package
DEVICE PIN(s)
-04 -06 -08
111
222
333
444
55
66
7
8
GND PAD
NAME
FILTER1
FILTER2
FILTER3
FILTER4
FILTER5
FILTER6
FILTER7
FILTER8
GND
PIN DESCRIPTIONS
DEVICE PIN(s)
DESCRIPTION
Filter + ESD Channel 1
Filter + ESD Channel 2
Filter + ESD Channel 3
Filter + ESD Channel 4
Filter + ESD Channel 5
Filter + ESD Channel 6
Filter + ESD Channel 7
Filter + ESD Channel 8
Device Ground
-04 -06 -08
8 12 16
7 11 15
6 10 14
5 9 13
8 12
7 11
10
9
NAME
FILTER1
FILTER2
FILTER3
FILTER4
FILTER5
FILTER6
FILTER7
FILTER8
DESCRIPTION
Filter + ESD Channel 1
Filter + ESD Channel 2
Filter + ESD Channel 3
Filter + ESD Channel 4
Filter + ESD Channel 5
Filter + ESD Channel 6
Filter + ESD Channel 7
Filter + ESD Channel 8
Ordering Information
PART NUMBERING INFORMATION
Pins
8
Package
TDFN-8
Standard Finish
Ordering Part
Number1
Part Marking
CM1431-04DF
WF
Lead-free Finish
Ordering Part
Number1
Part Marking
CM1431-04DE
WE
12
TDFN-12
CM1431-06DF
N31F
CM1431-06DE
N31E
16
TDFN-16
CM1431-08DF
N318F
CM1431-08DE
N318E
Note 1: Parts are shipped in Tape & Reel form unless otherwise specified.
© 2006 California Micro Devices Corp. All rights reserved.
2 490 N. McCarthy Blvd., Milpitas, CA 95035-5112 Tel: 408.263.3214 Fax: 408.263.7846 www.cmd.com 02/06/06


Part Number CM1431
Description LCD and Camera EMI Filter Array
Maker California Micro Devices
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CM1431 Datasheet PDF






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