LM4040AIM3-4.1T(2019) 查看數據表（PDF） - Maxim Integrated

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LM4040AIM3-4.1T
(Rev.:2019)

Improved Precision Micropower Shunt Voltage Reference with Multiple Reverse Breakdown Voltages

Maxim Integrated 

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LM4040

Improved Precision Micropower Shunt Voltage

Reference with Multiple Reverse Breakdown Voltages

General Description

The LM4040 is a precision, two-terminal shunt mode,

bandgap voltage reference available in fixed reverse-

breakdown voltages of 2.048V, 2.500V, 3.000V, 3.3V,

4.096V, and 5.000V. Ideal for space-critical applications,

the LM4040 is offered in the subminiature 3-pin SC70

surface-mount package (1.8mm x 1.8mm), 50% smaller

than comparable devices in SOT23 surface-mount

packages (SOT23 versions are also available).

Laser-trimmed resistors ensure precise initial accuracy.

With a 100ppm/°C temperature coefficient, the device

is offered in four grades of initial accuracy ranging from

0.1% to 1%. The LM4040 has a 60μA to 15mA shunt

current capability with low dynamic impedance, ensuring

stable reverse breakdown voltage accuracy over a wide

range of operating temperatures and currents.

The LM4040 does not require an external stabilizing

capacitor while ensuring stability with any capacitive load.

The LM4040 is guaranteed over the temperature range of

-40°C to +125°C.

For a 1.225V output version, refer to the LM4041 data sheet.

Applications

●● Portable, Battery-Powered Equipment

●● Notebook Computers

●● Cell Phones

●● Industrial Process Controls

●● Automotive

Benefits and Features

●● Ultra-Small 3-Pin SC70 Package

●● 0.1% (max) Initial Accuracy

●● 100ppm/°C (max) Temperature Coefficient

Guaranteed Over -40°C to +125°C Temperature

Range

●● Wide Operating Current Range: 60μA to 15mA

●● Low 28μVRMS Output Noise (10Hz to 10kHz)

●● 2.048V, 2.500V, 3.000V, 3.3V, 4.096V, and 5.000V

Fixed Reverse-Breakdown Voltages

●● No Output Capacitors Required

●● Tolerates Capacitive Loads

●● AEC-Q100 Qualified - Refer to Ordering Information

table for /V parts

Ordering Information appears at end of data sheet.

19-1787; Rev 12; 5/19

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