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AD5114 Datasheet(PDF) 11 Page - Analog Devices

Part No. AD5114
Description  Single-Channel, 128-/64-/32-Position, Up/Down, ±8% Resistor Tolerance, Nonvolatile Digital Potentiometer
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD5114 Datasheet(HTML) 11 Page - Analog Devices

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Data Sheet
AD5111/AD5113/AD5115
Rev. 0 | Page 11 of 24
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
AD5111/
AD5113/
AD5115
3
W
4
B
1
VDD
2
A
6 CLK
5 GND
TOP VIEW
(Not to Scale)
8 CS
7 U/D
NOTES
1. THE EXPOSED PAD IS INTERNALLY
FLOATING.
Figure 5. Pin Configuration
Table 8. Pin Function Descriptions
Pin No.
Mnemonic
Description
1
VDD
Positive Power Supply. Decouple this pin with 0.1 µF ceramic capacitors and 10 µF capacitors.
2
A
Terminal A of RDAC. GND ≤ VA ≤ VDD.
3
W
Wiper Terminal of RDAC. GND ≤ VW ≤ VDD.
4
B
Terminal B of RDAC. GND ≤ VB ≤ VDD.
5
GND
Ground Pin, Logic Ground Reference.
6
CLK
Clock Input. Each clock pulse executes the step-up or step-down of the resistance. The direction is determined
by the state of the U/D pin. CLK is a negative edge trigger. Data can be transferred at rates up to 50 MHz.
7
U/D
Up/Down Selection Counter Control.
8
CS
Chip Select. Active Low.
EPAD
Exposed Pad. The exposed pad is internally floating.


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