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参数资料
| 型号： | AD538BD |
| 厂商： | Analog Devices Inc |
| 文件页数： | 4/17页 |
| 文件大小： | 0K |
| 描述： | IC MULT/DIV REALTIME ACU 18-CDIP |
| 标准包装： | 1 |
| 功能： | 模拟计算装置 |
| 位元/级数： | 单象限 |
| 封装/外壳： | 18-CDIP（0.300"，7.62mm） |
| 供应商设备封装： | 18-CDIP |
| 包装： | 管件 |
AD538
Rev. E | Page 11 of 16
ONE-QUADRANT MULTIPLICATION/DIVISION
Figure 13 shows how the AD538 may be easily configured
as a precision one-quadrant multiplier/divider. The transfer
function VO = VY (VZ/VX) allows three independent input
variables, a calculation not available with a conventional
multiplier. In addition, the 1000:1 (that is, 10 mV to 10 V)
input dynamic range of the AD538 greatly exceeds that of
analog multipliers computing one-quadrant multiplication
and division.
25k
25k
100
25k
25k
ANTILOG
LOG
OUTPUT
100
AD538
IY
A
D
IX
VX
C
IN4148
VY
8
1
17
16
15
14
13
12
11
10
2
3
4
5
6
7
8
9
LOG
RATIO
INTERNAL
VOLTAGE
REFERENCE
SIGNAL
GND
PWR
GND
IZ
VZ
INPUT
VO
I
+15V
–15V
B
+10V
+2V
00959-
014
OUTPUT
VY
INPUT
VX
INPUT
VO = VY
VZ
VX
Figure 13. One-Quadrant Combination Multiplier/Divider
By simply connecting the input, VX (Pin 15) to the 10 V
reference (Pin 4), and tying the log-ratio output at B to the
antilog input at C, the AD538 can be configured as a one-
quadrant analog multiplier with 10 V scaling. If 2 V scaling
is desired, VX can be tied to the 2 V reference.
When the input VX is tied to the +10 V reference terminal, the
multiplier transfer function becomes:
=
V
Z
Y
O
10
As a multiplier, this circuit provides a typical bandwidth of 400 kHz
with values of VX, VY, or VZ varying over a 100:1 range (that is,
100 mV to 10 V). The maximum error with a 100 mV to 10 V
range for the two input variables will typically be +0.5% of
reading. Using the optional Z offset trim scheme, as shown in
Figure 14, this error can be reduced to +0.25% of reading.
By using the 10 V reference as the VY input, the circuit of
Figure 13 is configured as a one-quadrant divider with a fixed
scale factor. As with the one-quadrant multiplier, the inputs
accept only single (positive) polarity signals. The output of the
one-quadrant divider with a +10 V scale factor is:
=
X
Z
O
V
10
The typical bandwidth of this circuit is 370 kHz with 1 V to
10 V denominator input levels. At lower amplitudes, the band-
width gradually decreases to approximately 200 kHz at the
2 mV input level.
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| AD538BDZ | 功能描述:IC MULT/DIV REALTIME ACU 18-CDIP RoHS:是 类别:集成电路 (IC) >> 线性 - 模拟乘法器，除法器 系列:- 标准包装:25 系列:HA 功能:模拟乘法器 位元/级数:四象限 封装/外壳:16-CDIP（0.300"，7.62mm） 供应商设备封装:16-CDIP 侧面铜焊 包装:管件 |
| AD538SD | 功能描述:IC MULT/DIV REALTIME ACU 18-CDIP RoHS:否 类别:集成电路 (IC) >> 线性 - 模拟乘法器，除法器 系列:- 标准包装:25 系列:HA 功能:模拟乘法器 位元/级数:四象限 封装/外壳:16-CDIP（0.300"，7.62mm） 供应商设备封装:16-CDIP 侧面铜焊 包装:管件 |
| AD538SD/883B | 功能描述:增效器/分频器 MULT/DIV ACU IC RoHS:否 制造商:Texas Instruments 产品:Multiplier 逻辑系列: 工作电源电压: 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:Through Hole 封装 / 箱体:PDIP-14 |
| AD5390BCP-3 | 制造商:Analog Devices 功能描述:DAC 16-CH Resistor-String 14-bit 64-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:8/16-CHANNEL, 14/12-BIT, 3V/5V VOLTAGE OUT DAC - Bulk |
| AD5390BCP-3-REEL | 制造商:Analog Devices 功能描述:DAC 16-CH Resistor-String 14-bit 64-Pin LFCSP EP T/R |
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