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AD637JR PDF预览

AD637JR

更新时间: 2024-01-22 04:58:30
品牌 Logo 应用领域
亚德诺 - ADI 转换器
页数 文件大小 规格书
10页 163K
描述
High Precision, Wide-Band RMS-to-DC Converter

AD637JR 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:DIP包装说明:CERDIP-14
针数:14Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.08Is Samacsys:N
转换器类型:RMS TO DC CONVERTERJESD-30 代码:R-GDIP-T14
JESD-609代码:e0长度:19.43 mm
最大线性误差 (EL):0.05%最大负电源电压:-18 V
最小负电源电压:-3 V标称负供电电压:-15 V
功能数量:1端子数量:14
最大工作频率:0.15 MHz最高工作温度:125 °C
最低工作温度:-55 °C封装主体材料:CERAMIC, GLASS-SEALED
封装代码:DIP封装等效代码:DIP14,.3
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED最大正输入电压:7 V
电源:+-15 V认证状态:Not Qualified
座面最大高度:5.08 mm子类别:Analog Special Function Converters
最大压摆率:3 mA最大供电电压:18 V
最小供电电压:3 V标称供电电压:15 V
表面贴装:NO温度等级:MILITARY
端子面层:Tin/Lead (Sn/Pb)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED最大总误差:0.7%
宽度:7.62 mmBase Number Matches:1

AD637JR 数据手册

 浏览型号AD637JR的Datasheet PDF文件第4页浏览型号AD637JR的Datasheet PDF文件第5页浏览型号AD637JR的Datasheet PDF文件第6页浏览型号AD637JR的Datasheet PDF文件第7页浏览型号AD637JR的Datasheet PDF文件第8页浏览型号AD637JR的Datasheet PDF文件第10页 
AD637  
+V  
S
1F  
NOTE: VALUES CHOSEN TO GIVE 0.1%  
AVERAGING ERROR @ 1Hz  
3.3M3.3M⍀  
1F  
AD548JN  
BUFFER  
AD637  
FILTERED  
V rms OUTPUT  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
–V  
S
SIGNAL  
INPUT  
ABSOLUTE  
VALUE  
NC  
6.8M⍀  
+V  
NC  
S
BIAS  
SECTION  
1000pF  
1M⍀  
OUTPUT  
OFFSET  
ADJUST  
SQUARER/DIVIDER  
+V  
S
50k⍀  
25k⍀  
–V  
S
–V  
S
2
25k⍀  
V
IN  
V rms  
+
100F  
FILTER  
8
C
AV  
1%  
499k⍀  
R
C
3.3F  
AV1  
Figure 15. AD637 as a Low Frequency RMS Converter  
EXPANDABLE  
VECTOR SUMMATION  
Vector summation can be accomplished through the use of two  
AD637s as shown in Figure 16. Here the averaging capacitors  
are omitted (nominal 100 pF capacitors are used to insure  
stability of the filter amplifier), and the outputs are summed as  
shown. The output of the circuit is  
BUFFER  
AD637  
1
2
3
14  
13  
12  
11  
10  
9
ABSOLUTE  
VALUE  
V
IN  
X
2
VO = VX 2 +VY  
BIAS  
SECTION  
SQUARER/DIVIDER  
This concept can be expanded to include additional terms by  
feeding the signal from Pin 9 of each additional AD637 through  
a 10 kresistor to the summing junction of the AD711, and ty-  
ing all of the denominator inputs (Pin 6) together.  
+V  
S
4
5
25k⍀  
–V  
S
25k⍀  
6
7
If CAV is added to IC1 in this configuration, the output is  
100pF  
5pF  
FILTER  
AD637  
8
2 . If the averaging capacitor is included on both  
VX 2 +VY  
10k⍀  
10k⍀  
BUFFER  
2
VX 2 +VY  
IC1 and IC2, the output will be  
.
1
2
3
14  
13  
12  
11  
10  
9
AD711K  
This circuit has a dynamic range of 10 V to 10 mV and is lim-  
ited only by the 0.5 mV offset voltage of the AD637. The useful  
bandwidth is 100 kHz.  
ABSOLUTE  
VALUE  
V
IN  
X
10k⍀  
BIAS  
SECTION  
SQUARER/DIVIDER  
+V  
4
5
S
20k⍀  
25k⍀  
–V  
S
25k⍀  
6
7
100pF  
FILTER  
8
2
2
V
=
V
+ V  
V
OUT  
X
Figure 16. AD637 Vector Sum Configuration  
REV. E  
–9–  

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