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參數(shù)資料
| 型號： | AD538ADZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 4/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC REALTIME ACU UNIT 18-CDIP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 功能： | 模擬計算裝置 |
| 位元/級數(shù)： | 單象限 |
| 封裝/外殼： | 18-CDIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 18-CDIP |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 789 (CN2011-ZH PDF) |
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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| AD538BD | 功能描述:IC MULT/DIV REALTIME ACU 18-CDIP RoHS:否 類別:集成電路 (IC) >> 線性 - 模擬乘法器，除法器 系列:- 標(biāo)準(zhǔn)包裝:25 系列:HA 功能:模擬乘法器 位元/級數(shù):四象限 封裝/外殼:16-CDIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:16-CDIP 側(cè)面銅焊 包裝:管件 |
| AD538BDZ | 功能描述:IC MULT/DIV REALTIME ACU 18-CDIP RoHS:是 類別:集成電路 (IC) >> 線性 - 模擬乘法器，除法器 系列:- 標(biāo)準(zhǔn)包裝:25 系列:HA 功能:模擬乘法器 位元/級數(shù):四象限 封裝/外殼:16-CDIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:16-CDIP 側(cè)面銅焊 包裝:管件 |
| AD538SD | 功能描述:IC MULT/DIV REALTIME ACU 18-CDIP RoHS:否 類別:集成電路 (IC) >> 線性 - 模擬乘法器，除法器 系列:- 標(biāo)準(zhǔn)包裝:25 系列:HA 功能:模擬乘法器 位元/級數(shù):四象限 封裝/外殼:16-CDIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:16-CDIP 側(cè)面銅焊 包裝:管件 |
| AD538SD/883B | 功能描述:增效器/分頻器 MULT/DIV ACU IC RoHS:否 制造商:Texas Instruments 產(chǎn)品:Multiplier 邏輯系列: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:Through Hole 封裝 / 箱體: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 |
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