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LM112 Datasheet Operational Amplifiers

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: LM112 LM212 LM312 Operational Amplifiers September 1992 LM112 LM212 LM312 Operational.

General Description

The LM112 series are micropower operational amplifiers with very low offset-voltage and input-current errors at least a factor of ten better than FET amplifiers over a b 55 C to a 125 C temperature range Similar to the LM108 series that also use supergain transistors they differ in that they include internal frequency compensation and have provisions for offset adjustment with a single potentiometer These amplifiers will operate on supply voltages of g 2V to g 20V drawing a quiescent current of only 300 mA Performance is not appreciably affected over this range of voltages so operation from unregulated power sources is easily accomplished They can also be run from a single supply like the 5V used for digital circuits The LM112 series are the first IC amplifiers to improve reliability by including overvoltage protection for the MOS compensation capacitor Without this

Key Features

  • Y Y Y Y Maximum input bias current of 3 nA over temperature Offset current less than 400 pA over temperature Low noise Guaranteed drift specifications Connection Diagram Metal Can Package TL H 7751.
  • 4 Top View Order Number LM112H LM212H LM312H or LM112H 883 See NS Package Number H08C Auxiliary Circuits Offset Balancing Overcompensation for Greater Stability Margin TL H 7751.
  • 2 TL H 7751.
  • 3 C1995 National Semiconductor Corporation TL H 7751 RRD-B30M115 Printed.

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