MCP4151-502E/MF

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Data Acquisition - Digital Potentiometers

The MCP4151-502E/MF is an advanced digital potentiometer feature with a 128-position applied field and working principle. It is a low-power, low-voltage CMOS device and is designed to operate between 1.8V and 5.5V. The device has two independent digital potentiometers that can each be used in single or double-ended configurations. Both devices, when configured in a single-ended configuration, can be independently programmed over the full range of resistance values from 0Ω to 5kΩ. When configured in a double-ended configuration, the A output can be programmed over the full range from 0Ω to 10kΩ.

The MCP4151-502E/MF is designed for applications such as sensor and actuator controls, voltage gain augmentations, current limiting, and process control. It can also be used for adjusting various parameters in audio applications from impedance matching to volume control and channel selection. The device is suitable for high-speed analogue to digital conversion, PWM control, and microphone pre-amplification.

The MCP4151-502E/MF uses a simple yet robust architecture to give users the flexibility to program high precision potentiometric features. The device features an 8-bit resolution and the output is determined using an 8-bit data register. Data is written to this register using either the I2C protocol or by using the voltage programming pin (VPP). Programming using either method is simple and provides low power operation. Data can be programmed continuously or non-continuously and the device can be configured to “remember” the last programmed output.

The device features an internal LDO (low drop-out) regulator that ensures very low current consumption. The output impedance between the wiper and terminals is typically 4kΩ and the wiper voltage can be varied from 0V to VDD. The MCP4151-502E/MF is available in 8-pin PDIP and SOIC packages. The device is highly reliable and has an Endurance Rating of 1 million write cycles.

The MCP4151-502E/MF is an ideal choice for a wide range of applications that require a basic and advanced digital potentiometer feature. With its advanced features and flexibility, the device can be used to build simple, accurate, and low power potentiometric devices in a variety of demanding applications.

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