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PDF CM1631 Data sheet ( Hoja de datos )
| Número de pieza | CM1631 | |
| Descripción | LCD and Camera EMI Filter Array | |
| Fabricantes | ON Semiconductor | |
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LCD and Camera EMI Filter Array withwww.DataSheet4U.com
ESD Protection
CM1631
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
• uDFN package with 0.40mm lead pitch:
•4-ch. = 8-lead uDFN
•6-ch. = 12-lead uDFN
•8-ch. = 16-lead uDFN
• Tiny uDFN package size:
• 8-lead: 1.70mm x 1.35mm x 0.50mm
• 12-lead: 2.50mm x 1.35mm x 0.50mm
• 16-lead: 3.30mm x 1.35mm x 0.50mm
• Increased robustness against vertical impacts
during manufacturing process
• Lead-free finishing, RoHS compliant
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 CM1631 is a family of pi-style EMI filter arrays
with ESD protection, which integrates four, six, or
eight filters (C-R-C) in a small form factor, uDFN
0.40mm pitch package. The CM1631 has component
values of 15pF-100W-15pF per channel with a cut-off
frequency of 120MHz, and can be used in
applications with data rates up to 48Mbps. The
device includes ESD diodes on every pin, that
provide a very high level of protection for sensitive
electronic components against possible electrostatic
discharge (ESD). The ESD protection diodes safely
dissipate ESD strikes of ±15kV, which is well beyond
the maximum requirement of the IEC61000-4-2
international standard. Using the MIL-STD-883
(Method 3015) specification for Human Body Model
(HBM) ESD, the pins are protected for contact
discharges 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 CM1631 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 CM1631 is housed in space-saving, ultra-low-
profile 8-, 12- and 16-lead uDFN packages with a
0.40mm pitch and is available with lead-free finishing.
This smaller size uDFN package provides up to 42%
board space saving vs. the 0.50mm pitch uDFN
packages.
©2010 SCILLC. All rights reserved.
May 2010 – Rev. 0
Publication Order Number:
CM1631/D
1 page  
CM1631
www.DataSheet4U.com
ELECTRICAL OPERATING CHARACTERISTICS (SEE NOTE1)
SYMBOL PARAMETER
R Resistance
CONDITIONS
MIN TYP MAX UNITS
80 100 120
Ω
C Total Channel Capacitance
TOTAL
At 2.5VDC Reverse Bias, 1MHz,
30mVAC
24
30
36
pF
C Capacitance C
At 2.5VDC Reverse Bias, 1MHz,
30mVAC
12
15
18
pF
VDIODE
ILEAK
VSIG
Standoff Voltage
Diode Leakage Current (reverse bias)
Signal Clamp Voltage
Positive Clamp
Negative Clamp
I =10μA
DIODE
V =DIODE 3.3V
ILOAD = 10mA
ILOAD = -10mA
6.0
0.1 1.0
V
μA
5.6 6.8
-0.4 -0.8
V
V
V In-system ESD Withstand Voltage
ESD
Note 2
a) Human Body Model, MIL-STD-883,
Method 3015
b) Contact Discharge per IEC 61000-4-
2 Level 4
±30 kV
±15 kV
R
DYN
f
C
A
1GHz
Dynamic Resistance
Positive
Negative
Cut-off Frequency
Z =50Ω, Z =50Ω
SOURCE
LOAD
Channel R = 100Ω,
Channel C = 15pF
Absolute Attenuation @ 1GHz from 0dB Z = 50Ω, Z = 50Ω,
SOURCE
LOAD
Level
DC Bias = 0V; Notes 1 and 3
2.3 Ω
0.9 Ω
110 MHz
35 dB
A Absolute Attenuation @ 800MHz to
800MHz - 6GHz
6GHz from 0dB Level
ZSOURCE = 50Ω, Z LOAD = 50Ω,
DC Bias = 0V; Notes 1 and 3
30 dB
Note 1: TA=25°C unless otherwise specified.
Note 2: ESD applied to input and output pins with respect to GND, one at a time.
Note 3: Attenuation / RF curves characterized by a network analyzer using microprobes.
Rev. 0 | Page 5 of 22 | www.onsemi.com
5 Page 
CM1631
Performance Information (cont’d)
Typical Filter Performance (TA=25°C, DC Bias=0V, 50 Ohm Environment)
www.DataSheet4U.com
Figure 11. Insertion Loss vs. Frequency (FILTER1 Input to GND, CM1631-08DE)
Figure 12. Insertion Loss vs. Frequency (FILTER2 Input to GND, CM1631-08DE)
Rev. 0 | Page 11 of 22 | www.onsemi.com
11 Page | ||
| Páginas | Total 22 Páginas | |
| PDF Descargar | [ Datasheet CM1631.PDF ] | |
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