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MAX5471 Datasheet(PDF) 6 Page - Maxim Integrated Products

Part No. MAX5471
Description  32-Tap, Nonvolatile, Linear-Taper Digital Potentiometers
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX5471 Datasheet(HTML) 6 Page - Maxim Integrated Products

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32-Tap, Nonvolatile, Linear-Taper Digital
Potentiometers in SOT23
6
_______________________________________________________________________________________
Pin Description
RESISTANCE DNL vs. TAP POSITION
(MAX5475)
TAP POSITION
25
20
15
10
5
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
-0.04
030
VOLTAGE-DIVIDER MODE
RESISTANCE INL vs. TAP POSITION
(MAX5475)
TAP POSITION
25
20
15
10
5
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
-0.04
030
VOLTAGE-DIVIDER MODE
Typical Operating Characteristics (continued)
(VDD = 5.0V, TA = +25
°C, unless otherwise noted.)
PIN
MAX5471/
MAX5472
MAX5474/
MAX5475
NAME
FUNCTION
11
CS
Chip-Select Input. Drive low to change wiper position (W) through INC and U/D. A low-to-
high transition with INC high stores the wiper position in nonvolatile memory.
2
3
GND
Ground
34
U/D
Up/Down Control Input. With U/D low, a high-to-low INC transition decrements the wiper
position. With U/D high, a high-to-low INC transition increments the wiper position.
45
INC
Wiper Increment Control Input. With CS low, the wiper position moves in the direction
determined by the state of U/D on a high-to-low transition.
56
H
High Terminal of Resistor. The voltage at H can be greater than or less than the voltage at L.
Current can flow into or out of H.
62
VDD
Power Supply
7
W
Wiper Terminal of Resistor
8L
Low Terminal of Resistor. The voltage at L can be greater than or less than the voltage at H.
Current can flow into or out of L.


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