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LM4120 - Precision Micropower Low Dropout Voltage Reference

Datasheet Summary

Description

The LM4120 is a precision low power low dropout bandgap voltage reference with up to 5 mA output current source and sink capability.

This series reference operates with input voltages as low as 2V and up to 12V consuming 160 µA (Typ.) supply current.

Features

  • n n n n n n n n Small SOT23-5 package Low dropout voltage: 120 mV Typ @ 1 mA High output voltage accuracy: 0.2% ± 5 mA Source and Sink current output: Supply current: 160 µA Typ. Low Temperature Coefficient: 50 ppm/˚C Enable pin Fixed output voltages: 1.8, 2.048, 2.5, 3.0, 3.3, 4.096 and 5.0V n Industrial temperature Range:.
  • 40˚C to +85˚C n (For extended temperature range,.
  • 40˚C to 125˚C, contact National Semiconductor).

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Datasheet Details

Part number LM4120
Manufacturer National Semiconductor
File Size 289.51 KB
Description Precision Micropower Low Dropout Voltage Reference
Datasheet download datasheet LM4120 Datasheet
Additional preview pages of the LM4120 datasheet.

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LM4120 Precision Micropower Low Dropout Voltage Reference February 2000 LM4120 Precision Micropower Low Dropout Voltage Reference General Description The LM4120 is a precision low power low dropout bandgap voltage reference with up to 5 mA output current source and sink capability. This series reference operates with input voltages as low as 2V and up to 12V consuming 160 µA (Typ.) supply current. In power down mode, device current drops to less than 2 µA. The LM4120 comes in two grades (A and Standard) and seven voltage options for greater flexibility. The best grade devices (A) have an initial accuracy of 0.2%, while the standard have an initial accuracy of 0.5%, both with a tempco of 50ppm/˚C guaranteed from −40˚C to +125˚C.
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