LF JFET Input Operational Amplifiers. These are the first monolithic JFET input operational amplifiers to incorporate well matched, high voltage JFETs on the. LF datasheet, LF circuit, LF data sheet: STMICROELECTRONICS – WIDE BANDWIDTH SINGLE J-FET OPERATIONAL AMPLIFIERS,alldatasheet. LF datasheet, LF circuit, LF data sheet: TI – LF/LF/LF/ LF/LF/LF/LF JFET Input Operational Amplifiers,alldatasheet.

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Important Information and Disclaimer: Leakage of D2 provided by feedback path through Rf. Not recommended for new designs.

Products Applications Audio www. Page numbers for previous revisions may differ from page numbers in the current version. Buyer acknowledges and agrees that it is solely responsible for compliance with all legal, regulatory and safety-related requirements concerning its products, and any use of TI components in its dataeheet, notwithstanding any applications-related information or support that may be provided by TI.

As with most amplifiers, care should be taken with lead dress, component placement and supply decoupling in order to ensure stability. Bode Plot Figure Due to limited production lf57 time, the input bias currents measured are correlated to junction temperature.

In particular, use FET to isolate the probe capacitance. It is the time required for the error voltage the voltage at the inverting input pin on the amplifier to settle to within 0. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

Input Bias Current Figure 3. This data is subject to change without notice and revision of this document. Unless otherwise specified the absolute maximum negative input voltage is equal to the negative power supply voltage. Air is an excellent insulator. These amplifiers feature datashee input bias and offset currents, as well as low offset voltage and offset voltage drift, coupled with offset adjust which does not degrade drift or common-mode rejection.


Finish options are dafasheet by a vertical ruled line. Exceeding the positive common-mode limit on a single input will not change the phase of the output however, if both inputs exceed the limit, the output of the amplifier will be forced to a high state.

PDIP package Soldering 10 sec.

LF357N – LF357 JFET Input Op-Amp Datasheet

TI is not responsible or liable for such altered documentation. The value of the added capacitor should be such that the RC time constant of this capacitor and the resistance catasheet parallels is greater than or equal to the original feedback pole time constant.

These are stress ratings only, which satasheet not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Datawheet not insert the input pin of the amplifier into the board at all, but bend it up in the air and use only air as an insulator. To datasehet the effect of any surface leakage, lay out a ring of foil completely surrounding the inputs of the LFx5x and the terminals of capacitors, diodes, conductors, resistors, relay terminals, and so forth, connected to the inputs of the op amp, as in Figure If a line is indented then it is a continuation of the previous line and the two combined represent the entire Device Marking for that device.

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Power Supply Rejection Ratio Figure This component has a RoHS exemption for either 1 lead-based flip-chip solder bumps used between the die and package, or 2 lead-based die adhesive used between the die and leadframe. These amplifiers will operate with the common-mode input voltage equal to the positive lc357.


TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.

Lab 9 in this note. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.

Created to foster collaboration among engineers. No TI components are authorized for use in FDA Class III or similar life-critical medical equipment unless authorized officers of the parties have executed a special agreement specifically governing such use.

Pin Configuration and Functions The Temperature Coefficient of the adjusted input offset voltage changes only a small amount 0. All of the bias currents darasheet these amplifiers are set by FET current sources.

The parallel resistance and capacitance from the input of the device usually the inverting input to AC ground set the frequency of the pole. Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences daatsheet failures, monitor failures and their consequences, lessen the likelihood of failures datasyeet might cause harm and take appropriate remedial actions.

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