LF357 DATASHEET PDF

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LF357 DATASHEET PDF

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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Input Bias Current Figure 3. To minimize 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 Voltage Swing Figure 5. When the LFx5x is manufactured, the device is always handled with conductive finger cots. These amplifiers feature low 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.

Power Supply Rejection Ratio Figure This glossary lists and explains terms, acronyms, and definitions. Positive Current Limit Figure 9. Exceeding the negative common-mode limit on either input will force the output to a high state, potentially causing a reversal of phase to the output. Therefore large differential input voltages can easily be accommodated without a large increase in input current.

These devices can replace expensive hybrid and module FET operational amplifiers.

TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. Pin Configuration and Functions Input Bias Current Figure 2. Lff357 Amplifier Figure Information published by TI regarding third-party products or services does not constitute a license to use such products or services or a warranty or endorsement thereof. Unless otherwise specified datasehet absolute maximum negative input voltage is equal to the negative power supply voltage.

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Customers should validate and test their design implementation to confirm system functionality. Reproduction of significant portions of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties, conditions, limitations, and notices.

First, the user must not ignore the surface leakage of the PCB, even though it may sometimes appear acceptably low, because under conditions of high humidity or dust or contamination, the surface leakage will be appreciable. It is the time required for the error voltage the voltage at the inverting input pin on the amplifier to settle to within 0.

In no event shall TI’s liability arising out of such information exceed the total purchase price of the TI part s at issue in this document sold by TI to Customer on an annual basis. Apply a V step function to the input.

LFLFLF datasheet & applicatoin notes – Datasheet Archive

Input Bias Current Figure 4. A feedback pole is created when the feedback around any amplifier is resistive. TI has discontinued the production of the device. Buyer will fully indemnify TI and its representatives against any damages arising out of the use of any TI components in fatasheet applications.

LF357 Datasheet

Use of such information may require a license from a third datashee under the datasheett or other intellectual property of the third party, or a license from TI under the patents or other intellectual property of TI. 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 applications, notwithstanding any applications-related information or support that may be provided by TI.

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Gain Bandwidth Figure For browser-based versions of this data sheet, refer to the left-hand navigation. Buyers are responsible for their products and applications using TI components. However, if the feedback pole is less than approximately six times the expected 3-dB frequency a lead capacitor should be placed from the output to the input of the op amp. TI has taken and continues lg357 take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.

Typical Connections Of Guard Rings The designer should be aware that when it is inappropriate to lay out a PCB for the sake of just a few circuits, there is another technique which is even better than a guard ring on satasheet PCB: Air is an excellent insulator. Open-Loop Voltage Gain Figure All other trademarks datasyeet the property of their respective owners. Output Impedance Figure Maximum power dissipation is defined by the package characteristics.

In neither case does a latch occur since raising the input back within the common-mode range again puts the input stage and thus the amplifier in a normal operating mode.