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DP7114

更新时间： 2024-10-01 01:25:47
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尼得科 - NIDEC /
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32-Tap Digital Potentiometer

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DP7114 数据手册

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DP7114  
32-Tap Digital Potentiometer (DP)  
Description  
The DP7114 is  
a
single digital potentiometer (DP)  
designed as an electronic replacement for mechanical  
potentiometers and trim pots. Ideal for automated adjustments on high  
volume production lines, they are also well suited for applications  
where equipment requiring periodic adjustment is either difficult to  
access or located in a hazardous or remote environment.  
The DP7114 contains a ꢀꢁïWDS series resistor array connected  
between two terminals R and R . An up/down counter and decoder  
SOICï8  
H
L
MSOPï8  
TDFNï8  
that are controlled by three input pins, determines which tap is  
connected to the wiper, R . The wiper setting, stored in nonvolatile  
W
memory, is not lost when the device is powered down and is  
automatically reinstated when power is returned. The wiper can be  
adjusted to test new system values without affecting the stored setting.  
Wiperïcontrol of the DP7114 is accomplished with three input  
control pins, CS, U/D, and INC. The INC input increments the wiper  
in the direction which is determined by the logic state of the U/D input.  
The CS input is used to select the device and also store the wiper  
position prior to power down.  
TSSOPï8  
The digital potentiometer can be used as a WKUHHïterminal  
resistive divider or as  
a
WZRïWHUPLQDO variable resistor.  
PIN CONFIGURATIONS  
DPs bring variability and programmability to a wide variety of  
applications including control, parameter adjustments, and signal  
processing.  
1
V
INC  
U/D  
CC  
CS  
L
W
R
R
R
H
GND  
Features  
SOIC (V),  
MSOP (Z)  
v 32ïposition Linear Taper Potentiometer  
v Nonïvolatile EEPROM Wiper Storage  
v Low Standby Current  
v Single Supply Operation: 2.5 V ï 6.0 V  
v Increment Up/Down Serial Interface  
v Resistance Values: 10 k , 50 k and 100 k  
v Available in SOIC, TSSOP, MSOP and Space Saving  
2 x 3 mm TDFN Packages  
1
R
R
CS  
L
W
V
CC  
INC  
GND  
R
U/D  
H
TSSOP (Y)  
1
INC  
U/D  
V
CC  
CS  
v These Devices are PbïFree, Halogen Free/BFR Free and are RoHS  
R
R
H
L
Compliant  
GND  
R
W
Applications  
TDFN (VP2)  
(Top Views)  
v Automated Product Calibration  
v Remote Control Adjustments  
v Offset, Gain and Zero Control  
v Tamperïproof Calibrations  
v Contrast, Brightness and Volume Controls  
v Motor Controls and Feedback Systems  
v Programmable Analog Functions  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 15 of this data sheet.  
¢ NIDEC COPAL ELECTRONICS CORP.  
June, 2011 ï Rev. 20  
1
Publication Order Number:  
DP7114/D  
1234567...14

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