ISL23325UFVZ

The ISL23325UFVZ is an adjustable digital potentiometer providing an accurate way to digitally control the output resistance and/or voltage. It is a member of Intersil’s family of digital potentiometers, which are designed to interface digital logic to analog systems and are optimized for use in ADCs and DACs. The ISL23325UFVZ offers a wide range of digital and analog inputs, as well as integrated EEPROM.

The ISL23325UFVZ is ideal for applications such as the adjustment of gain, filter cutoff frequencies, offset, load setting and calibration in data conversion applications. It can also be used to set the DC potential on power supplies and in voltage dividers. Furthermore, it is perfectly suited for applications that require adjustable gains and offsets.

The ISL23325UFVZ offers linear increments over a wide range of resistances and voltages depending on the configuration. It features 225 tap points of resolution, with an optional bit select feature for Access Time Faster and improved accuracy.

The ISL23325UFVZ consists of four terminals connected electrically in a “digipot” configuration, which is a three-terminal network driven from four logic level inputs. It is essentially a voltage-controlled resistor and allows voltage or current to be adjusted by changing the resistance between two of the terminals.

To achieve this, the ISL23325UFVZ uses a shift register, wherein data from the logic inputs is shifted into the internal resistive network. Controlling the shift register’s information results in changes in the output resistance and/or voltage. The resistance is adjusted in linear increments, making it ideal for applications such as the adjustment of gain, filter cutoff frequencies, offset, load setting, and calibration in data conversion applications.

The ISL23325UFVZ features a wide input voltage range and features peak operating supply voltage of 5.5V. It includes an internal EEPROM with a write access speed of up to 25MHz. The EEPROM allows non-volatile memory preservation, meaning a user-defined configuration will be retained even after the device is powered off.

The ISL23325UFVZ is designed to operate with low quiescent current and provide Logic High/Low control signals without needing an external pull-up resistor. The device has output current capability of 20mA for an adjustable current source applications and can also be used to generate voltage dividers and variable voltage regulators.

In conclusion, the ISL23325UFVZ offers a wide range of digital and analog inputs, as well as integrated EEPROM and excellent operational performance. It is perfect for applications that require adjustable gains and offsets and is designed to operate with low quiescent current. It is a must-have for any data conversion application or any other that requires adjustable resistance or voltage.