ORNTA2001AT1 Resistors

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Resistor networks and arrays are a type of electronic circuit consisting of multiple resistors connected in a desired configuration, depending on the application. The ORNTA2001AT1 is a popular programmable resistor network. It is a digital-to-analog converter (DAC) that translates digital codes to either an analog voltage or current. It has a total resistance of 71.4 kΩ in BCD format and features 8-bit resolution, adjustable ripple, up to 512 tap settings, and is programmable through I2C communication.

Application Field of ORNTA2001AT1:

The ORNTA2001AT1 is a popular resistor network for use in various applications, including audio and motion control, instrumentation, signal processing, and other systems where a high degree of accuracy is desirable. It can be used to generate arbitrary resistances or as a controlled amplifier or attenuator. It can also be used to simulate a variable resistor (potentiometer) or as an adjustable current source.

Working Principle of ORNTA2001AT1:

The ORNTA2001AT1 works by connecting each of its 7 pins to a different point along the resistor ladder, with 8 taps between each pin. The pins are connected to the central ladder by switch elements, allowing the current path to choose between any of the taps on the ladder. By repeatedly setting the digital code on all the taps, the position of the switch elements can be controlled.

The device can be used for either voltage control or current control, depending on the application. In voltage control, the digital code is set by a sequence of binary words to drive the switch elements to a specific tap position. This position determines the output voltage of the ORNTA2001AT1. In current control, the output is determined by the amount of current that can flow through the resistor ladder.

The ORNTA2001AT1 is able to generate highly accurate, stable, and adjustable outputs for applications where absolute precision is required. The device features an adjustable ripple setting that allows it to be configured for applications where the output needs to be kept within tight voltage and current tolerances. Additionally, it can be programmed to provide either an isolated or a series output, allowing it to be configured to meet the specific requirements of the application.

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