参数资料
型号: X9420WP16Z
厂商: Intersil
文件页数: 9/19页
文件大小: 0K
描述: IC DGTL POT 1CH 16PDIP
标准包装: 30
系列: XDCP™
接片: 64
电阻(欧姆): 10k
电路数: 1
温度系数: 标准值 ±300 ppm/°C
存储器类型: 非易失
接口: 5 线 SPI(芯片选择,设备位址)
电源电压: 4.5 V ~ 5.5 V
工作温度: 0°C ~ 70°C
安装类型: 通孔
封装/外壳: 16-DIP(0.300",7.62mm)
供应商设备封装: 16-DIP
包装: 管件
17
FN8195.1
April 26, 2006
APPLICATIONS INFORMATION
Electronic potentiometers provide three powerful application advantages: (1) the variability and reliability of a solid-
state potentiometer, (2) the flexibility of computer-based digital controls, and (3) the retentivity of nonvolatile memory
used for the storage of multiple potentiometer settings or data.
Basic Configurations of Electronic Potentiometers
Basic Circuits
VR
VW
VR
I
Three terminal Potentiometer;
Variable voltage divider
Two terminal Variable Resistor;
Variable current
VH
VL
Noninverting Amplifier
Voltage Regulator
Offset Voltage Adjustment
Comparator with Hysterisis
+
VS
VO
R2
R1
VO = (1+R2/R1)VS
R1
R2
Iadj
VO (REG) = 1.25V (1+R2/R1)+Iadj R2
VO (REG)
VIN
317
+
VS
VO
R2
R1
VUL = {R1/CR1+R2} VO(max)
VLL = {R1/CR1+R2} VO(min)
100k
Ω
10k
Ω
10k
Ω
10k
Ω
-12V
+12V
TL072
+
VS
VO
R2
R1
}
+5V
-5V
LM308A
Cascading Techniques
Buffered Reference Voltage
+
+5V
R1
+V
-5V
VW
VOUT = VW
OP-07
VW
+V
X
(a)
(b)
X9420
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