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ASM3P2180A データシート PDF ( 特性, スペック, ピン接続図 )

部品番号 ASM3P2180A
部品説明 Peak Reducing EMI Solution
メーカ ON Semiconductor
ロゴ ON Semiconductor ロゴ 

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ASM3P2180A Datasheet, ASM3P2180A PDF,ピン配置, 機能
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

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