AD5293BRUZ-100-RL7

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The AD5293BRUZ-100-RL7 is a digitally programmable—or “digi-pots”—potentiometer that bridges the gap between traditional analog potentiometers and digital control in a very small package. It is part of a family of devices targeting applications in automotive, industrial, instrumentation, and consumer markets.

Broadly speaking, digi-pots are used to help analog systems interface with digital systems. These devices come in two main functional forms: single- (or uni-polar) and dual- (or bi-polar) configuration. Each type of digi-pot can be used for a variety of applications, such as reading the voltage settings in an amplifier for a home theater, adjusting the speed of a motor, and controlling the gain of an OpAmp.

The AD5293BRUZ-100-RL7 is a single-channel, low-power digi-pot designed to fit in small products such as surface-mount assembly (SMT) devices. It is available in pin-compatible dual-channel versions, as well as with optional digital output drivers.

This device offers six selectable terminal arrangements, allowing it to adapt to a wide array of applications. It also has low power consumption, making it ideal for usage in power-sensitive systems. In addition, it is manufactured with an on-chip laser-trimmable resistor, offering flexibility in accurate voltage control.

The AD5293BRUZ-100-RL7 is a digital potentiometer that consists of three terminals – two input terminals, A and B, and one output terminal, W. By changing the relative resistance between the two input terminals, the effective resistance between the output terminal and either of the input terminals is changed, enabling the device to vary voltage. The amount of voltage variation depends on the current on the control inputs, as well as the resolution of the device.

The device works by measuring the difference in voltage between the two input terminals and adjusting the resistance between the two terminals based on that difference. The voltage measured between the two input terminals can be modified by applying a voltage across either of the inputs. This causes the resistance between the two terminals to increase or decrease, depending on the sign of the applied voltage.

The resolution of the device determines the amount of voltage change that can be achieved. The AD5293BRUZ-100-RL7 device has a resolution of 100 steps, meaning that it can achieve a maximum voltage change of 100 mV, although the actual change may be less due to the effects of current on the control inputs.

Given its small package size, low power consumption, and on-chip laser-trimmable resistor, the AD5293BRUZ-100-RL7 is suitable for a wide range of applications, including motor control, audio equipment, industrial systems, and more. It is ideal for designers looking for a reliable, low-power, and highly accurate solution for digital potentiometers in their applications.

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