ISL23348TFRZ-T7A

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Data Acquisition - Digital Potentiometers is the classify of the following product: ISL23348TFRZ-T7A. This article will give an overview of this product’s application field and working principle.

ISL23348TFRZ-T7A is a digital potentiometer from Intersil. It is a low power, high-precision, fully integrated signal-conditioning solution designed for high-density, low-power applications. The device features a digitally programmed, 8-bit fractional-resistive scaling circuit with 256 resistor segments. It is available in three package types: the MSOP-8, TDFN-8 and XDFN-8 (3mmx2mm).

ISL23348TFRZ-T7A has a wide variety of applications and can be used in impedance matching, signal conditioning, linearization, impedance scaling, as well as other signal processing tasks. It is ideal for DC and low-frequency applications such as battery management systems, power management systems, and communications systems.

The working principle of ISL23348TFRZ-T7A is based on the operation of an MOSFET-based resistive divider. This circuitry implements a total of 256 resistor segments, giving 8-bit resolution in the resistor scaling. Intersil\'s ISL23348TFRZ-T7A is an 8-bit potentially programmable potentiometer. There is a single, common terminal called "Wiper" that can be moved up and down the 256 resistive segments. The resistive values are selected through an external interface signal, I2C/SMBus, or SPI.

ISL23348TFRZ-T7A has a wide input voltage range from 1.6V to 5.5V, requires only 0.2uA standby current and 160uA typical active current. Other features include internal ESD protection, short circuit protection, low power shutdown mode, and low resistance variation over temperature range.

The device also comes with a range of integrated features, including an on-chip temperature sensor, on/off control of the wiper, adjustable slider reference, wiper lockout and write protection, as well as an external mid-scale divider and TCO (Total Control Off) modes.

ISL23348TFRZ-T7A is an ideal choice for a range of applications where precision, low power and high density are required. It provides high-precision analog signals with minimal noise and can be used for battery management, power management, communications systems and instrumentation applications.

In summary, ISL23348TFRZ-T7A is a low-power, high-precision, fully integrated signal-conditioning solution designed for high-density, low-power applications. It comes with a range of integrated features including temperature sensor, slider reference, write protection and wiper lockout. It provides high-precision analog signals with minimal noise and can be used for battery management, power management, communications systems and instrumentation applications.

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