ROHM Digital Potentiometers (DigiPOT) 1

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Part RoHS Manufacturer Converter Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Package Body Material Surface Mount Nominal Temperature Coefficient No. of Functions Technology Screening Level Nominal Bandwidth Control Interface Resistance Law Nominal Total Resistance Maximum Supply Current Maximum Resistor Terminal Voltage Maximum Linearity Error (EL) Nominal Supply Voltage Power Supplies (V) Nominal Negative Supply Voltage Package Style (Meter) Package Equivalence Code Sub-Category Terminal Pitch Maximum Operating Temperature Minimum Operating Temperature Terminal Finish Terminal Position Minimum Resistor Terminal Voltage JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Seated Height Maximum Resistance Tolerance Width Qualification No. of Positions Additional Features JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Length Input Bit Code

BU9831

ROHM

Digital Potentiometer

Other

Through-Hole

8

DIP

Rectangular

Plastic/Epoxy

No

1

CMOS

2-Wire Serial

Linear

100 KΩ

3 V

3 V

3/5 V

In-Line

DIP8,.3

Digital Potentiometers

0.1 in (2.54 mm)

85 °C (185 °F)

-20 °C (-4 °F)

Tin/Tin Copper

Dual

0 V

R-PDIP-T8

0.146 in (3.7 mm)

0.3 in (7.62 mm)

No

100

Nonvolatile memory

e3/e2

10 s

260 °C (500 °F)

0.366 in (9.3 mm)

Digital Potentiometers (DigiPOT)

Digital potentiometers, also known as DigiPOTs, are electronic devices that allow the user to adjust the resistance of a circuit digitally. They are designed to replace traditional mechanical potentiometers and offer several advantages, such as greater precision, faster response, and remote control.

DigiPOTs consist of a set of resistive elements, divided into several segments, and a wiper that can be moved to change the resistance between two terminals. The position of the wiper is controlled by digital signals, which are decoded to select the appropriate resistance segment. DigiPOTs can be programmed to provide a specific resistance value or to change the resistance in response to a specific input signal.

DigiPOTs are used in a wide range of applications, such as audio amplifiers, motor control circuits, and power management systems. They offer several advantages over traditional potentiometers, such as faster response time, more precise adjustment, and greater reliability. DigiPOTs also eliminate the need for mechanical parts, which can wear out over time and require replacement.

DigiPOTs come in different configurations, including single, dual, and quad-channel versions, each with different resistance ranges and step sizes. They can be controlled by a microcontroller or other digital circuit, and some models offer features such as non-volatile memory, temperature compensation, and programmable resolution.