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參數(shù)資料
| 型號： | EVAL-AD5111SDZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 14/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR AD5111 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 數(shù)字電位器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | AD5111 |
| 主要屬性： | 1 通道，128 位置 |
| 次要屬性： | 串行接口 |
| 已供物品： | 板，CD |
Data Sheet
AD5111/AD5113/AD5115
Rev. | Page 21 of 24
POWER-UP SEQUENCE
Because of the ESD protection diodes that limit the voltage
compliance at the A, B, and W terminals (see Figure 45), it is
important to power on VDD before applying any voltage to the
A, B, and W terminals. Otherwise, the diodes are forward-
biased such that VDD is powered on unintentionally and can
affect other parts of the circuit. Similarly, VDD should be
powered down last. The ideal power-on sequence is in the
following order: GND, VDD, and VA/VB/VW. The order of
powering VA, VB, VW and the digital inputs is not important as
long as they are powered on after VDD.
GND
VDD
A
W
B
09654-
046
Figure 45. Maximum Terminal Voltages Set by VDD and GND
LAYOUT AND POWER SUPPLY BIASING
It is always a good practice to use compact, minimum lead
length layout design. The leads to the input should be as direct
as possible with a minimum conductor length. Ground paths
should have low resistance and low inductance. It is also good
practice to bypass the power supplies with quality capacitors.
Apply low equivalent series resistance (ESR) 1 μF to 10 μF
tantalum or electrolytic capacitors at the supplies to minimize
any transient disturbance and to filter low frequency ripple.
Figure 46 illustrates the basic supply bypassing configuration
VDD
+
GND
C1
0.1F
C2
10F
AGND
AD5111/
AD5113/
AD5115
09654-
047
Figure 46. Power Supply Bypassing
A
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| EVAL-AD5116EBZ | 功能描述:BOARD EVAL FOR AD5116 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:* 標(biāo)準(zhǔn)包裝:1 系列:- 主要目的:電信，線路接口單元（LIU） 嵌入式:- 已用 IC / 零件:IDT82V2081 主要屬性:T1/J1/E1 LIU 次要屬性:- 已供物品:板，電源，線纜，CD 其它名稱:82EBV2081 |
| EVAL-AD5141DBZ | 功能描述:數(shù)字電位計開發(fā)工具 EVALUATION BOARD I.C. RoHS:否 制造商:Arduino 產(chǎn)品:TinkerKit Rotary Potentiometers 工具用于評估:TinkerKit 電阻:4.7 kOhms 工作電源電壓:0 V to 5 V |
| EVAL-AD5142ADBZ | 功能描述:數(shù)字電位計開發(fā)工具 EVALUATION BOARD I.C. RoHS:否 制造商:Arduino 產(chǎn)品:TinkerKit Rotary Potentiometers 工具用于評估:TinkerKit 電阻:4.7 kOhms 工作電源電壓:0 V to 5 V |
| EVAL-AD5142DBZ | 功能描述:數(shù)字電位計開發(fā)工具 EVALUATION BOARD I.C. RoHS:否 制造商:Arduino 產(chǎn)品:TinkerKit Rotary Potentiometers 工具用于評估:TinkerKit 電阻:4.7 kOhms 工作電源電壓:0 V to 5 V |
| EVAL-AD5143DBZ | 功能描述:數(shù)字電位計開發(fā)工具 EVALUATION BOARD I.C. RoHS:否 制造商:Arduino 產(chǎn)品:TinkerKit Rotary Potentiometers 工具用于評估:TinkerKit 電阻:4.7 kOhms 工作電源電壓:0 V to 5 V |
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