Network Array is a type of resistor used in electronic circuits and sensors.
Network Array refers to a collection of multiple elements arranged in a regular pattern, while Resistor Array consists of multiple resistors arranged side-by-side on a single substrate. Since multiple resistors are arranged on a substrate, mounting density is high, which is effective for efficient component placement and cost reduction.
Certain types of resistor arrays are also referred to as Network Arrays. One side of each resistor is connected to the signal line of the network circuit, and the other side is connected to the line common to all resistors as a common terminal.
A voltage is added to this common line that becomes the high level of the signal and functions as a so-called pull-up resistor.
Network Arrays of resistors are used on a variety of electronic circuits to perform functions such as current and voltage control, branching, and measurement. Examples are listed below.
Resistor arrays are sometimes used as resistor dividers in analog-to-digital conversion and digital-to-analog conversion circuits.
For example, as a temperature sensor array, it is possible to detect different temperature ranges.
The principle of Network Array is based on multiple resistors arranged on a single substrate, each electrically connected to each other.
A typical Network Array consists of several resistors connected in series. As current flows through the Network Array, the current passes through each resistor, creating a voltage drop across each resistor.
For a voltage applied to both ends of the Network Array, a voltage drop is generated in proportion to the resistance of each resistor, thus serving to divide the voltage.
When used as a Sensor Network Array, the individual resistors in the Network Array should have slightly varying resistance values depending on the difference in some physical quantity (e.g., temperature or pressure). The Network Array functions as a sensor by providing resistance data to an external device.
The address bus and data bus between the CPU and memory perform data input/output in both directions. length and data length.
In addition, these I/O circuits are configured as open-drain outputs to accommodate different signal voltages. Therefore, external pull-up processing is required to fix the potential of each line. In such applications, network resistors in the same package are very superior in terms of mounting space.
Network Array consists of multiple resistors arranged on a substrate and each resistor is electrically connected to the other.
Network Array is placed on a single small substrate. The substrate is usually made of an insulating material (e.g., ceramic) and serves to hold the resistors.
Network Array contains several resistors. These resistors are commonly referred to as thin-film resistors and are made of a metal film (e.g., nickel-chromium alloy) formed on a substrate.
The resistance value of the resistor is determined at the design stage by parameters such as the thickness and length of the metal film. Note that independent resistors may be placed on the substrate.
Each resistor on the Network Array has its own electrodes, which are placed at both ends of the resistor. These electrodes are used to connect the resistors to each other by means of a wiring pattern on the board.
Network Arrays are packaged to protect the elements and facilitate handling. Common packaging forms include chip resistor packages (SMD packages) and dual-illuminated packages (DIP packages).
*Including some distributors, etc.
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