MCP1501T-40E/SN

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The MCP1501T-40E/SN is an advanced Voltage reference IC from Microchip, designed to provide precision, low-cost, low-noise and temperature stability when used in power management and other applications requiring a reference voltage. The MCP1501T-40E/SN is part of a family of voltage reference ICs, designed to provide the dependability and accuracy needed for power management, data acquisition and system control systems.

The MCP1501T-40E/SN is a monolithic voltage reference IC, with dual output buffer and adjustable output voltage control. It is available in a Lead-free 8-pin SOT-23 package, and is powered by a single supply voltage in the range of 2.0V to 5.5V. It also features a wide operating temperature range of -40 °C to +125 °C, enabling reliability and stability in extreme temperature conditions.

The MCP1501T-40E/SN is well-suited for applications requiring an adjustable reference voltage, such as battery management, safety devices and DC/DC converters. It also provides precision, low-noise and temperature stability when used in power management, data acquisition and system control systems. The MCP1501T-40E/SN also features advanced power management features, such as adjustable output voltage, adjustable output current and disable control.

The MCP1501T-40E/SN has an adjustable output voltage range of 1.5V to 5.0V and adjustable output current of 100uA to 300uA. The IC also features a 0.2% accuracy over line, load and temperature. The output buffer of the MCP1501T-40E/SN provides very low noise and fast transient response, making it ideal for precision applications. The IC also provides over-temperature protection, latch-up protection and disable control.

The working principle of the MCP1501T-40E/SN is based on two novel, patented trimming techniques combined with a precision resistor divider. The first trimming technique utilises a high precision reference voltage, while the second utilizes a trimmed low-power resistor divider network. Together, these techniques enable the output accuracy and temperature stability to be maintained over the full operating temperature range, while providing improved output noise performance.

To further improve the accuracy of the reference output, the MCP1501T-40E/SN contains an on-chip trim register, controlled by an SPI or I²C interface. This register allows the user to adjust the output voltage by a total of ± 6mV, resulting in an accuracy of ± 10mV. The trim register also features an adjustable trim current, enabling the user to set a higher or lower current to reduce noise and improve accuracy.

The MCP1501T-40E/SN is thus an ideal solution for both low-power precision applications and high-power precision applications requiring a reference voltage over a wide range of temperatures. The combination of its advanced trimming techniques, low noise output buffer, and adjustable output and trim current makes the MCP1501T-40E/SN an excellent choice for applications requiring the highest level of accuracy and reliability.

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