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AD8324 PDF预览

AD8324

更新时间: 2024-02-10 05:18:39
品牌 Logo 应用领域
亚德诺 - ADI 驱动器
页数 文件大小 规格书
16页 639K
描述
3.3 V Upstream Cable Line Driver

AD8324 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SSOP
包装说明:SSOP,针数:20
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.33.00.01风险等级:7.42
差分输出:YES驱动器位数:1
输入特性:STANDARD接口集成电路类型:LINE DRIVER
接口标准:GENERAL PURPOSEJESD-30 代码:R-PDSO-G20
JESD-609代码:e3长度:8.6614 mm
湿度敏感等级:1功能数量:1
端子数量:20最高工作温度:70 °C
最低工作温度:-25 °C封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH峰值回流温度(摄氏度):260
认证状态:Not Qualified最大接收延迟:
座面最大高度:1.7526 mm最大供电电压:3.47 V
最小供电电压:3.13 V标称供电电压:3.3 V
表面贴装:YES温度等级:OTHER
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.635 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:3.9116 mm
Base Number Matches:1

AD8324 数据手册

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AD8324  
OVERSHOOT ON PC PRINTER PORTS  
CONTROLLING GAIN/ATTENUATION  
OF THE AD8324  
The data lines on some PC parallel printer ports have excessive  
overshoot, which may cause communications problems when  
presented to the CLK pin of the AD8324. The evaluation board  
was designed to accommodate a series resistor and shunt  
capacitor (R9 and C5 in Figure 29) to filter the CLK signal if  
required. For parallel ports with logic levels above 3.3 V, R9 and  
C5 may be used as an attenuator.  
The slide bar controls the gain/attenuation of the AD8324,  
which is displayed in dB and in V/V. The gain scales 1 dB per  
LSB. The gain code from the position of the slide bar is  
displayed in decimal, binary, and hexadecimal (Figure 28).  
INSTALLING VISUAL BASIC CONTROL SOFTWARE  
Install the CabDrive_24 software by running the setup.exe file  
on disk one of the AD8324 evaluation software. Follow the on-  
screen directions and insert disk two when prompted. Choose  
the installation directory and then select the icon in the upper  
left to complete the installation.  
RUNNING AD8324 SOFTWARE  
To load the control software, go to START, PROGRAMS,  
CABDRIVE_24 or select the AD8324.exe file from the installed  
directory. Once loaded, select the proper parallel port to  
communicate with the AD8324 (Figure 27).  
Figure 28. Control Software Interface  
TRANSMIT ENABLE AND SLEEP MODE  
The Transmit Enable and Transmit Disable buttons select the  
mode of operation of the AD8324 by asserting logic levels on  
the asynchronous TXEN pin. The Transmit Disable button  
applies Logic 0 to the TXEN pin, disabling forward transmis-  
sion. The Transmit Enable button applies Logic 1 to the TXEN  
pin, enabling the AD8324 for forward transmission. Checking  
the Enable SLEEP Mode checkbox applies Logic 0 to the asyn-  
SLEEP  
SLEEP  
chronous  
pin, setting the AD8324 for  
mode.  
Figure 27. Parallel Port Selection  
MEMORY FUNCTIONS  
The Memory section of the software provides a way to alternate  
between two gain settings. The X–>M1 button stores the  
current value of the gain slide bar into memory, while the RM1  
button recalls the stored value, returning the gain slide bar to  
the stored level. The same applies to the X–>M2 and RM2  
buttons.  
Rev. 0 | Page 14 of 16  
 
 
 

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