742X083222J

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Resistor Networks, Arrays

The 742X083222J is an application specific resistor array used in a wide variety of electronic circuits. It is a low-profile, high-density, 8-pin surface-mount device that provides two distinct resistive channels along with a wide range of available rated resistance values.

The two channels, labeled A and B, are connected on the inner layer of the board and can be utilized to sample, balance, or sense signals. This allows the resistor array to be used in a wide range of applications, such as active systems, amplified feedback, channel-to-channel gain compensation, level shifting, and signal conditioning. Another common application is using the 742X083222J to reduce the noise or interference in high impedance circuits.

The 742X083222J has two distinct channels that are labeled A and B on the board. Channel A provides resistances from 0.25 ohms to 1 ohm and channel B provides resistances from 0.1 ohms to 4 ohms. Each channel has 6 possible rated resistance values that can be selected by connecting one of the terminals on the board to the corresponding pin number on the 8-pin SMT connector.

The 742X083222J comprises two types of substrates: an insulating lattice and resistive elements. The insulating lattice is made from polyimide over a FR4 base material, which distributes the heat from the resistive elements evenly and helps to keep the entire board cool. The resistive elements are made from high-conductivity metal foils that are laminated to the inner layer of the board. The resistance of the 742X083222J is adjustable via trim resistors, which are connected to the 8-pin connector. Trimming is done by connecting a negative voltage to the trim resistor, which will reduce the resistance of the resistors attached to it.

The 742X083222J has the ability to operate at high temperatures, up to 125°C. The high temperature range and tight tolerance of the resistances makes it suitable for use in high-performance applications. The maximum recommended power dissipation of the 742X083222J is 500mW, making it suitable for use in temperature-sensitive circuits. The 742X083222J also has internal shields to prevent interference from external sources.

In summary, the 742X083222J is a leader in the field of resistor networks and arrays. It is one of the most high-density solutions available on the market, providing two distinct channels that can be used for a wide variety of applications. It also features high power dissipation capabilities and internal shield protection, making it a great choice for both portable and temperature-sensitive applications.

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