参数资料
型号: X9313TS
厂商: Intersil
文件页数: 11/12页
文件大小: 0K
描述: IC DIGITAL POT 100K 32TP 8SOIC
标准包装: 100
系列: XDCP™
接片: 32
电阻(欧姆): 100k
电路数: 1
温度系数: 标准值 ±300 ppm/°C
存储器类型: 非易失
接口: 3 线串行(芯片选择,递增,增/减)
电源电压: 4.5 V ~ 5.5 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
8
FN8177.6
January 15, 2008
Applications Information
Electronic digitally controlled potentiometers (XDCP) provide
three powerful application advantages:
1. The variability and reliability of a solid-state potentiometer.
2. The flexibility of computer-based digital controls.
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/RW
VR
I
THREE-TERMINAL POTENTIOMETER;
VARIABLE VOLTAGE DIVIDER
TWO-TERMINAL VARIABLE RESISTOR;
VARIABLE CURRENT
VH
VL
CASCADING TECHNIQUES
BUFFERED REFERENCE VOLTAGE
+
+5V
R1
+V
-5V
VW
VREF
VOUT
OP-07
VW
VW/RW
+V
X
(a)
(b)
VOUT = VW/RW
NONINVERTING AMPLIFIER
+
VS
VO
R2
R1
VO = (1 + R2/R1)VS
LM308A
VOLTAGE REGULATOR
R1
R2
Iadj
VO (REG) = 1.25V (1 + R2/R1) + IADJ R2
VO (REG)
VIN
317
OFFSET VOLTAGE ADJUSTMENT
+
VS
VO
R2
R1
100k
Ω
10k
Ω
10k
Ω
10k
Ω
-12V
+12V
TL072
COMPARATOR WITH HYSTERESIS
VUL = [R1/(R1 + R2)] VO(max)
VLL = [R1/(R1 + R2)] VO(min)
+
VS
VO
R2
R1
}
LT311A
+5V
-5V
(FOR ADDITIONAL CIRCUITS SEE AN115)
X9313
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