參數(shù)資料
型號: ADS8406IPFFBR
英文描述: 16-BIT, 1.25 MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICRO POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE
中文描述: 16位,1.25 MSPS的,偽雙極,全差分輸入,微功耗采樣模擬到數(shù)字轉(zhuǎn)換并行接口
文件頁數(shù): 22/25頁
文件大小: 536K
代理商: ADS8406IPFFBR
www.ti.com
ADS8406
SLAS426A–AUGUST 2004–REVISED DECEMBER 2004
As with the AGND connections, +VA should be connected to a 5-V power supply plane or trace that is separate
from the connection for digital logic until they are connected at the power entry point. Power to the ADS8406
should be clean and well bypassed. A 0.1-μF ceramic bypass capacitor should be placed as close to the device
as possible. See Table 2 for the placement of the capacitor. In addition, a 1-μF to 10-μF capacitor is
recommended. In some situations, additional bypassing may be required, such as a 100-μF electrolytic capacitor
or even a Pi filter made up of inductors and capacitors—all designed to essentially low-pass filter the 5-V supply,
removing the high frequency noise.
Table 2. Power Supply Decoupling Capacitor Placement
POWER SUPPLY PLANE
SUPPLY PINS
CONVERTER ANALOG SIDE
CONVERTER DIGITAL SIDE
(4,5), (8,9), (10,11), (13,15),
(43,44), (45,46)
12, 14
Pin pairs that require shortest path to decoupling capacitors
(24,25), (34, 35)
Pins that require no decoupling
37
22
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ADS8411 16-BIT, 2 MSPS, UNIPOLAR INPUT, MICRO POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE AND REFERENCE
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