LM4040A82IDBZTG4

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The LM4040A82IDBZTG4 is a precision 2.486 V shunt voltage reference. It is a voltage reference belonging to the PMIC (Power Management IC) family, in the Voltage Reference subcategory. The LM4040A82IDBZTG4 can be used in applications ranging from automotive to home equipment, as well as in any application with a need for a low voltage reference.

This precision reference features an output voltage tolerance of 1% over a temperature range from -40°C to 105°C. It has a low temperature coefficient (-25 ppm/°C) and offers a low total error band (typically 4 mV) over the range -40° to +125°C. The device is supplied in a 8-pin space-saving DSBGA (Lead Free RoHS Compliant) package.

The basic working principle of the LM4040A82IDBZTG4 lies in the fact that it is a shunt-type device, meaning that an external resistor is used to adjust the output voltage. The voltage reference is connected in series with the external resistor, and a portion of the total current passes through the voltage reference while the rest passes through the resistor. The current passing through the voltage reference is dropped across a precision set voltage reference, thus setting the output voltage.

The advantages of the LM4040A82IDBZTG4 are numerous. For example, the device offers low operating current (typically 2.25 mA), and an ultra-low thermal drift of typically 25 ppm/°C. In addition, the device offers a wide load range (60 mA to 800 mA) and can be easily interfaced with a high voltage circuit without requiring a voltage multiplier circuit. Finally, the device offers relatively low package parasitics, so high precision can be realized.

The LM4040A82IDBZTG4 has a variety of applications, such as in automotive electronics, smart TVs, and other home equipment, as well as in data acquisition systems and industrial laser power supplies. The device is also suitable for use in MRAM (Magnetoresistive Random Access Memory) applications, where precision control of voltage levels is critical. Additionally, this voltage reference can be used for high accuracy current, voltage, and power monitoring in all types of electronic systems.

In conclusion, the LM4040A82IDBZTG4 is a precision 2.486 V shunt voltage reference with 1% output voltage tolerance over a temperature range from -40°C to 105°C. It is a voltage reference belonging to the PMIC (Power Management IC) family, in the Voltage Reference subcategory. The device offers a wide range of features and benefits, making it suitable for applications ranging from automotive to home equipment, as well as in any application with a need for a low voltage reference. It is a highly accurate product with excellent performance capabilities, which makes it the ideal device for any system requiring precision voltage reference control.

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