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AD246 PDF预览

AD246

更新时间: 2024-02-29 18:48:38
品牌 Logo 应用领域
亚德诺 - ADI 时钟驱动器
页数 文件大小 规格书
2页 129K
描述
Clock Driver

AD246 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active包装说明:DIP,
Reach Compliance Code:unknown风险等级:5.8
Is Samacsys:N系列:AD24
输入调节:STANDARDJESD-30 代码:R-PDXA-T4
逻辑集成电路类型:LOW SKEW CLOCK DRIVER湿度敏感等级:NOT SPECIFIED
功能数量:1反相输出次数:
端子数量:4实输出次数:1
最高工作温度:85 °C最低工作温度:-25 °C
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装形状:RECTANGULAR封装形式:VERTICAL IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:COMMERCIAL
座面最大高度:15.9 mm最小供电电压 (Vsup):14.25 V
标称供电电压 (Vsup):15 V表面贴装:NO
温度等级:OTHER端子面层:NOT SPECIFIED
端子形式:THROUGH-HOLE端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:2.5 mmBase Number Matches:1

AD246 数据手册

 浏览型号AD246的Datasheet PDF文件第2页 
a
Clock Driver  
AD246  
GENERAL DESCRIPTION  
AD246 SPECIFICATIONS  
The AD246 is a compact, inexpensive clock driver that can be  
used to obtain the required clock from a single 15 V supply. The  
circuit shown in Figure 1 (essentially an AD246) can operate at  
least 32 AD204s at the rated minimum supply voltage of 14.25 V  
and one additional isolator can be operated for each 40 mV  
increase in supply voltage up to 15 V.  
(Typical @ 25C and VS = 15 V, unless otherwise noted.)  
Model  
AD246JY  
AD246JN  
OUTPUT*  
Frequency  
Voltage  
25 kHz Nominal 25 kHz Nominal  
15 V p-p Nominal 15 V p-p Nominal  
Fan Out  
32 max  
32 max  
A supply bypass capacitor is included in the AD246, but if many  
AD204s are operated from a single AD246, an external bypass  
connector should be used with a value of at least 1 mF for every  
five isolators used. Place the capacitor as close as possible to the  
clock driver.  
POWER SUPPLY  
REQUIREMENTS  
Input Voltage  
Supply Current  
Unloaded  
15 V ± 5%  
15 V ± 5%  
35 mA  
2.2 mA  
35 mA  
2.2 mA  
15V  
6
14  
Each AD204  
Adds 1 mA  
Load on AD204  
+VISO or  
–VISO Adds  
6
5
180pF  
TELEDYNE  
1
IN914  
7
TSC426  
C
2
4
10  
2
3
CLKOUT  
1F  
RC  
R
Q
CD  
4947B  
+
5
0.7 mA  
0.7 mA  
35V  
49.9k⍀  
IN914  
*The high current drive will not support a short to ground.  
Specifications are subject to change without notice.  
12  
9
8
7
4
3
CLK AND  
PWR COM  
AD246 Pin Designations  
Figure 1. Clock Driver  
Pin (Y)  
Pin (N)  
Function  
1
2
12  
12  
1
14  
15 V Power In  
Clock Output  
Common  
13  
24  
Common  
OUTLINE DIMENSIONS  
AD246JY Package  
Dimensions shown in inches and (millimeters)  
AD246JN Package  
Dimensions shown in inches and (millimeters)  
8.40 (0.330) MAX  
36.70 (1.445) MAX  
25.30 (0.995) MAX  
8.90 (0.350)  
AD246JN  
MAX  
FRONT VIEW  
15.90  
SIDE  
VIEW  
AD246JY  
2.50 (0.100)  
MIN  
(0.625)  
MAX  
FRONT VIEW  
0.51 (0.020)  
0.38 (0.015)  
0.51 (0.020)  
0.25 (0.010)  
0.38 (0.015)  
0.25 (0.010)  
3.70 (0.145)  
1
2.50  
(0.100)  
MIN  
27.90 (1.100)  
1.30 (0.050)  
NOM  
14.00 (0.550)  
2.90 (0.115)  
2.50 (0.100)  
NOM  
12  
0.38 (0.015)  
0.25 (0.010)  
5.00 (0.197)  
1
12.70  
(0. 500)  
17.80  
BOTTOM VIEW  
(0.700)  
2.90  
13  
(0.115)  
24  
14  
2.50  
BOTTOM  
VIEW  
C
L
(0.100)  
25.40 (1.000)  
2
12  
CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS  
(IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR  
REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN  
CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS  
(IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR  
REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN  
REV. 0  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. No license is granted by implication or otherwise  
under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
www.analog.com  
© Analog Devices, Inc., 2002  

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