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AD532SH/883B PDF预览

AD532SH/883B

更新时间： 2024-02-17 16:42:01
品牌 Logo 应用领域
其他 - ETC /
页数 文件大小 规格书
8页 182K
描述
Analog Multiplier/Divider

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AD532SH/883B 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：, CAN10,.23Reach Compliance Code：unknown
风险等级：5.64模拟集成电路 - 其他类型：ANALOG MULTIPLIER OR DIVIDER
JESD-30 代码：O-MBCY-W10JESD-609代码：e0
标称负供电电压 (Vsup)：-15 V端子数量：10
最高工作温度：125 °C最低工作温度：-55 °C
封装主体材料：METAL封装等效代码：CAN10,.23
封装形状：ROUND封装形式：CYLINDRICAL
电源：+-15 V认证状态：Not Qualified
筛选级别：38535Q/M;38534H;883B子类别：Analog Computational Functions
最大供电电流 (Isup)：12 mA标称供电电压 (Vsup)：15 V
技术：BIPOLAR温度等级：MILITARY
端子面层：Tin/Lead (Sn/Pb)端子形式：WIRE
端子位置：BOTTOMBase Number Matches：1

AD532SH/883B 数据手册

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AD532  
AD532 PERFORMANCE CHARACTERISTICS  
AC FEEDTHROUGH  
Multiplication accuracy is defined in terms of total error at  
25°C with the rated power supply. The value specified is in  
percent of full scale and includes XIN and YIN nonlinearities,  
feedback and scale factor error. To this must be added such  
application-dependent error terms as power supply rejection,  
common-mode rejection and temperature coefficients (although  
worst case error over temperature is specified for the AD532S).  
Total expected error is the rms sum of the individual compo-  
nents since they are uncorrelated.  
AC feedthrough is a measure of the multiplier’s zero suppression.  
With one input at zero, the multiplier output should be zero  
regardless of the signal applied to the other input. Feedthrough  
as a function of frequency for the AD532 is shown in Figure 5. It  
is measured for the condition VX = 0, VY = 20 V (p-p) and VY = 0,  
VX = 20 V (p-p) over the given frequency range. It consists  
primarily of the second harmonic and is measured in millivolts  
peak-to-peak.  
1000  
Accuracy in the divide mode is only a little more complex. To  
achieve division, the multiplier cell must be connected in the  
feedback of the output op amp as shown in Figure 13. In this  
configuration, the multiplier cell varies the closed loop gain of the  
op amp in an inverse relationship to the denominator voltage.  
Thus, as the denominator is reduced, output offset, bandwidth  
and other multiplier cell errors are adversely affected. The divide  
error and drift are then ⑀m × 10 V/X1 – X2) where ⑀m represents  
multiplier full-scale error and drift, and (X1–X2) is the absolute  
value of the denominator.  
Y FEEDTHROUGH  
100  
X FEEDTHROUGH  
10  
NONLINEARITY  
Nonlinearity is easily measured in percent harmonic distortion.  
The curves of Figures 3 and 4 characterize output distortion as  
a function of input signal level and frequency respectively, with  
one input held at plus or minus 10 V dc. In Figure 4 the sine  
wave amplitude is 20 V (p-p).  
1
100  
1k  
10k  
100k  
1M  
10M  
FREQUENCY ꢄ Hz  
Figure 5. Feedthrough vs. Frequency  
COMMON-MODE REJECTION  
1.0  
The AD532 features differential X and Y inputs to enhance its  
flexibility as a computational multiplier/divider. Common-mode  
rejection for both inputs as a function of frequency is shown in  
Figure 6. It is measured with X1 = X2 = 20 V (p-p), (Y1 – Y2) =  
10 V dc and Y1 = Y2 = 20 V (p-p), (X1 – X2) = 10 V dc.  
X
IN  
Y
IN  
0.1  
70  
60  
Y COMMON-MODE REJ  
50  
(X ꢄX ) ꢅ ꢃ10V  
1
2
40  
30  
0.01  
3
6
7
9
11 12 13 14  
2
8
10  
1
4
5
X COMMON-MODE REJ  
PEAK SIGNAL AMPLITUDE ꢄ Volts  
(Y ꢄY ) ꢅ ꢃ10V  
1
2
Figure 3. Percent Distortion vs. Input Signal  
20  
10  
0
100  
100  
1k  
10k  
100k  
1M  
10M  
FREQUENCY ꢄ Hz  
Figure 6. CMRR vs. Frequency  
10  
20V p-p SIGNAL  
1.0  
X
IN  
Y
IN  
0.1  
10  
100  
1k  
10k  
100k  
1M  
FREQUENCY ꢄ Hz  
Figure 4. Percent Distortion vs. Frequency  
REV. C  
–4–  
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