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NMF3000 Datasheet

  • NMF3000

  • Dual-Stage, Differential Lines Filter

  • 90.59KB

  • 10頁(yè)

  • ONSEMI

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NMF3000, NMF3010
Dual鈭扴tage, Differential
Lines Filter with ESD
Protection
The NMF3000 and the NMF3010 are a dual鈭抯tage, differential line
ESD and filtering protection scheme for input signals into portable
devices. The NMF3000 is the first stage and is located at or very near
to the interface to the outside world. It provides the high鈭抣evel ESD
protection as well as the initial filtering of incoming audio signals. The
NMF3010 is the second stage and provides additional signal filtering.
This second stage can be placed some distance away from the first
stage to allow for effective filtering across extended distances.
A1
http://onsemi.com
MARKING
DIAGRAMS
A1
Features
鈥?/div>
Dual Filtering Lines for 2鈭扖hannels or Differential Transmission
鈥?/div>
Separate Power and Analog Grounds for ESD Protection and
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Filtering Circuitry
V
CC
Input Pin on First Stage to Set Microphone DC Bias
IEC 61000鈭?鈭? Grade
鹵15
kV Contact ESD Protection on the Inputs,
V
CC
, and Between Power and Analog Grounds
IEC 61000鈭?鈭? Level 1 ESD protection on All Other Pin鈭抰o鈭扨in
Combinations
These are Pb鈭扚ree Devices*
9 Bump Flip鈭扖hip
CASE 499AE
A1
6 Bump Flip鈭扖hip
CASE 499AF
A
L
Y
W
A1
= Assembly Location
= Wafer Lot
= Year
= Work Week
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
V
CC
NMF3000FCT1G
NMF3010FCT1G
Microphone
Incoming
Audio
Signals
C
1st
Stage
C
2nd
Stage
Audio
Amplifier
Figure 1. System Diagram
*For additional information on our Pb鈭扚ree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
漏
Semiconductor Components Industries, LLC, 2004
1
March, 2004 鈭?Rev. 1
Publication Order Number:
NMF3000/D
脠脠
脠脠
脟
脟
NMF
3000
ALYW
NIO
ALYW

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