參數(shù)資料
型號: AD7863AR-10
廠商: ANALOG DEVICES INC
元件分類: ADC
英文描述: RECTIFIER SCHOTTKY DUAL 30A 30V 275A-ifsm 0.55V-vf 1mA-ir TO-3P 30/TUBE
中文描述: 4-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO28
封裝: MS-013AE, SOIC-28
文件頁數(shù): 17/18頁
文件大小: 207K
代理商: AD7863AR-10
AD7863
17
REV. A
V
A1
V
B1
V
A2
V
B2
V
S
V
REF
AD7863
0.1 F
ANALOG
SUPPLY
15V
AGND
DGND
AGND
0.1 F
+V
S
0.1 F
AD780
0.1 F
V
OUT
V
IN
0.1 F
V
DD
10 F
L
(FERRITE BEAD)
47 F
ANALOG
SUPPLY
+5V
TEMP
V
A1
V
B1
V
A2
V
B2
4
AD797s
+15V
0.1 F
Figure 21. Typical Connections Diagram Including the Relevant Decoupling
Supply Decoupling
Noise on the analog power plane (V
DD
) can be further reduced
by use of multiple decoupling capacitors (Figure 21).
Optimum performance is achieved by the use of disc ceramic
capacitors. The V
DD
and reference pins (whether using an
external or an internal reference) should be individually
decoupled to the analog ground plane (AGND). This should
be done by placing the capacitors as close as possible to the
AD7863 pins with the capacitor leads as short as possible, thus
minimizing lead inductance.
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