參數(shù)資料
型號: TP5510N
廠商: National Semiconductor Corporation
英文描述: Full Duplex Analog Front End for Consumer Applications
中文描述: 全雙工模擬前端的消費(fèi)應(yīng)用
文件頁數(shù): 11/12頁
文件大?。?/td> 197K
代理商: TP5510N
Applications Information
POWER SUPPLIES
While the pins of the AFE are well protected against electri-
cal misuse, it is recommended but not mandatory that the
standard CMOS practice be followed, ensuring that ground
is connected to the device before any other connections are
made. In applications where the printed circuit board may be
plugged into a ‘‘hot’’ socket with power and clocks already
present, an extra long ground pin in the connector should
be used.
All ground connections to each device should meet at a
common point as close as possible to the GNDA pin. This
minimizes the interaction of ground return currents flowing
through a common bus impedance. 0.1
m
F supply decou-
pling capacitors should be connected from this common
ground point to V
CC
and V
BB
, as close to the device as
possible.
For best performance, if more than 1 AFE is on a card, the
ground point of each AFE on a card should be connected to
a common card ground in star formation, rather than via a
ground bus.
This common ground point should be decoupled to V
CC
and
V
BB
with 10
m
F capacitors.
Physical Dimensions
inches (millimeters) unless otherwise noted
Molded Small Outline Package (WM)
Order Number TP5510WM
NS Package Number M16B
http://www.national.com
11
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