CM1483-02DE [ONSEMI]
EMI Filter with ESD Protection;
| 型号： | CM1483-02DE |
| 厂家： | 
ONSEMI |
| 描述： | EMI Filter with ESD Protection |
| 文件： | 总8页 (文件大小：296K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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Praetorian® L-C EMI Filter with ESD
Protection for Headset Speaker Apps
CM1483
Features
Product Description
•
•
2 channels of EMI filtering
±±kV ESD protection (IEC 61000-4-2, contact
discharge)
±15kV ESD protection (HBM)
Greater than -40dB of attenuation at 1GHz
TDFN-0± package
The CM1483 is an L-C EMI filter array with ESD
protection, which integrates two Pi-filters (C-L-C) for
the headset speaker. The CM1483 has component
values of 100pF-3nH-100pF. The parts include ESD
protection diodes on all input/output pins, which
provide a very high level of protection for sensitive
electronic components that may be subjected to
electrostatic discharge (ESD). The ESD diodes
connected to the filter ports safely dissipate ESD
strikes of ±8kV, 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 at greater than
±15kV.
•
•
•
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
•
This device is particularly well suited for portable
electronics (e.g. mobile handsets, PDAs, notebook
computers) because of its small package format
and easy-to-use pin assignments. In particular, the
CM1483 is ideal for EMI filtering and protecting
speaker output lines from ESD for the headset
speaker in mobile handsets. Most speakers have
impedance of 8Ω and in order to maximize the
power output, the resistance of an EMI filter needs
to be as low as possible and the CM1483
addresses this by having a C-L-C based EMI filter
where the inductor has less than 1Ω of resistance.
The CM1483 is available in a small, low-profile
(2mm x 2mm) 8-lead TDFN package in a lead-free
finish.
©2010 SCILLC. All rights reserved.
May 2010 – Rev. 2
Publication Order Number:
CM1483/D
CM1483
Rev. 2 | Page 2 of 7 | www.onsemi.com
CM1483
PIN DESCRIPTIONS
PIN
NAME
DESCRIPTION
1
Filter #1
Filter #1
2
3
NC
NC
No connect
No connect
Filter #2
4
Filter #2
Filter #2
NC
5
Filter #2
6
No connect
No connect
Filter #1
7
NC
±
Filter #1
GND
DAP
Ground
Ordering Information
PART NUMBERING INFORMATION
Lead-free Finish
Ordering Part Number1
Part Marking
Pins
Package
TDFN
±
CM14±3 -02DE
±3E
Note 1: Parts are shipped in Tape & Reel form unless otherwise specified.
Rev. 2 | Page 3 of 7 | www.onsemi.com
CM1483
Specifications
ABSOLUTE MAXIMUM RATINGS
PARAMETER
RATING
UNITS
Storage Temperature Range
DC current per inductor
–65 to +150
°C
mA
W
30
DC package power rating
0.5
STANDARD OPERATING CONDITIONS
PARAMETER
RATING
UNITS
Operating Temperature Range
–40 to +±5
°C
ELECTRICAL OPERATING CHARACTERISTICS(NOTE 1)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
L
Inductance
3.0
nH
Ω
R
DC Channel Resistance
0.75
1
CTOT
C
Total Channel Capacitance
Capacitance C
2.5V DC; 1MHz, 30mV AC
2.5V DC; 1MHz, 30mV AC
VIN = +5V
160
200
100
0.1
240
pF
pF
μA
μA
ILEAK
Diode Leakage Current
1.0
VIN =-5V
-1.0
-0.1
VSIG
Signal Clamp Voltage
Positive Clamp
I
LOAD = 10mA
5
–15
7
–10
15
–5
V
V
Negative Clamp
ILOAD = –10mA
VESD
In-system ESD Withstand Voltage
Human Body Model, MIL-STD-±±3,
Method 3015
Notes 2 & 3
±15
±±
kV
kV
Contact Discharge per IEC 61000-
4-2 Level 4
fC
Cut-off frequency
L = 3nH, C = 100pF
31
MHz
Ω
Ω
Z
SOURCE = 50 , ZLOAD = 50
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.
Rev. 2 | Page 4 of 7 | www.onsemi.com
CM1483
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)
Rev. 2 | Page 5 of 7 | www.onsemi.com
CM1483
Mechanical Details
TDFN-08 Mechanical Specifications, 0.5mm
The CM14±3 is supplied in an ±-lead 0.5mm TDFN package. Dimensions are presented below.
For complete information on the TDFN-0±, see the California Micro Devices TDFN Package Information
document.
PACKAGE DIMENSIONS
TDFN
Package
MO-229 (Var. VCCD-3)*
JEDEC
No.
±
Leads
Dim.
Millimeters
Nom Max
Inches
Nom Max
Min
Min
0.70
0.75
0.20 REF
0.25
0.±0 0.02± 0.030 0.031
0.00± REF
A
A3
b
0.20
1.90
1.50
1.90
0.±0
0.30 0.00± 0.010 0.012
2.10 0.075 0.079 0.0±3
1.70 0.059 0.063 0.067
2.10 0.075 0.079 0.0±3
1.00 0.031 0.035 0.039
0.020 BSC
2.00
D
1.60
D2
E
2.00
0.90
E2
e
0.50 BSC
0.20
0.20
0.00±
K
0.30
0.40 0.00± 0.012 0.016
3000 pieces
L
# per
tape and
reel
Controlling dimension: millimeters
*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
Rev. 2 | Page 6 of 7 | www.onsemi.com
CM1483
ON Semiconductor and
are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further
notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC
assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special,
consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and
actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer's technical experts.
SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in
systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC
product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized
application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and
expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even
if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature
is subject to all applicable copyright laws and is not for resale in any manner.
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Rev. 2 | Page 7 of 7 | www.onsemi.com
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