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PDF ASM3P2180A Data sheet ( Hoja de datos )

Número de pieza ASM3P2180A
Descripción Peak Reducing EMI Solution
Fabricantes ON Semiconductor 
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ASM3P2180A Hoja de datos, Descripción, Manual
ASM3P2180A
Peak Reducing
EMI Solution
Product Description
The ASM3P2180A is a versatile spread spectrum frequency
modulator designed specifically for a wide range of clock frequencies.
ASM3P2180A reduces electromagnetic interference (EMI) at the
clock source, allowing system wide reduction of EMI of down stream
clock and data dependent signals. ASM3P2180A allows significant
system cost savings by reducing the number of circuit board layers,
and shielding that are traditionally required to pass EMI regulations.
ASM3P2180A modulates the output of a single PLL in order to
“spread” the bandwidth of a synthesized clock, thereby decreasing the
peak amplitudes of its harmonics. This results in significantly lower
system EMI compared to the typical narrow band signal produced by
oscillators and most clock generators. Lowering EMI by increasing
a signal’s bandwidth is called spread spectrum clock generation.
ASM3P2180A uses the most efficient and optimized modulation
profile approved by the FCC and is implemented by using
a proprietary all-digital method.
Features
Generates a 1x EMI Optimized Clock Output
Input Frequency:
6 MHz − 10 MHz
18 MHz − 30 MHz
Output Frequency:
6 MHz − 10 MHz
18 MHz − 30 MHz
Two Selectable Down Spread Options
Selectable Frequency Range
Integrated Loop Filter Components
Operates with a 3.3 V Supply
CMOS Design
8-Pin SOIC Packages
This Device is Pb-Free, Halogen Free and is RoHS Compliant
Applications
The ASM3P2180A is targeted towards notebook LCD displays,
other displays using an LVDS interface, PC peripheral devices and
embedded systems.
www.onsemi.com
8
1
SOIC−8 NB
CASE 751
PIN CONNECTION
CLKIN/XIN 1
8 NC
XOUT 2
GND 3
ASM3P2180A
7 FS
6 VDD
SS% 4
5 CLKOUT
MARKING DIAGRAM
8
ACT
ALYWX
G
1
ACT
A
L
Y
W
G
= Specific Device Code
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb-Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering and shipping information on page 4 of
this data sheet.
© Semiconductor Components Industries, LLC, 2016
July, 2016 − Rev. 4
1
Publication Order Number:
ASM3P2180/D

1 page

ASM3P2180A pdf
ASM3P2180A
PACKAGE DIMENSIONS
−X−
A
SOIC−8 NB
CASE 751−07
ISSUE AK
B
−Y−
−Z−
H
85
S 0.25 (0.010) M Y M
1
4
K
G
D
C
SEATING
PLANE
N X 45 _
0.10 (0.004)
M
J
0.25 (0.010) M Z Y S X S
SOLDERING FOOTPRINT*
1.52
0.060
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A AND B DO NOT INCLUDE
MOLD PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL
IN EXCESS OF THE D DIMENSION AT
MAXIMUM MATERIAL CONDITION.
6. 751−01 THRU 751−06 ARE OBSOLETE. NEW
STANDARD IS 751−07.
MILLIMETERS
INCHES
DIM MIN MAX MIN MAX
A 4.80 5.00 0.189 0.197
B 3.80 4.00 0.150 0.157
C 1.35 1.75 0.053 0.069
D 0.33 0.51 0.013 0.020
G 1.27 BSC 0.050 BSC
H 0.10 0.25 0.004 0.010
J 0.19 0.25 0.007 0.010
K 0.40 1.27 0.016 0.050
M 0_ 8_ 0_ 8_
N 0.25 0.50 0.010 0.020
S 5.80 6.20 0.228 0.244
7.0
0.275
4.0
0.155
0.6
0.024
1.270
0.050
ǒ ǓSCALE 6:1
mm
inches
*For additional information on our Pb-Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor’s product/patent
coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. ON Semiconductor reserves the right to make changes without further notice to any products herein.
ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor 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.
Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, regulations and safety requirements or standards,
regardless of any support or applications information provided by ON Semiconductor. “Typical” parameters which may be provided in ON Semiconductor 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. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not
designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification
in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized
application, Buyer shall indemnify and hold ON Semiconductor 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 ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This
literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
LITERATURE FULFILLMENT:
Literature Distribution Center for ON Semiconductor
19521 E. 32nd Pkwy, Aurora, Colorado 80011 USA
Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada
Fax: 303−675−2176 or 800−344−3867 Toll Free USA/Canada
Email: orderlit@onsemi.com
N. American Technical Support: 800−282−9855 Toll Free
USA/Canada
Europe, Middle East and Africa Technical Support:
Phone: 421 33 790 2910
Japan Customer Focus Center
Phone: 81−3−5817−1050
ON Semiconductor Website: www.onsemi.com
Order Literature: http://www.onsemi.com/orderlit
For additional information, please contact your local
Sales Representative
www.onsemi.com
5
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