LM348 DATASHEET PDF

LMN Datasheet, LMN National Semiconductor Quad Op-Amp Datasheet, buy LMN. December DocID Rev 5. 1/ LM, LM Four UA quad bipolar operational amplifiers. Datasheet – production data. LM/LM/LM Quad Op Amps. General Description. The LM series is a true quad It consists of four independent, high gain, internally.

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Science Physics Electronics Data Sheet current advertisement. It consists of four independent, high gain, internally compensated, low power operational amplifiers which have been designed to provide functional characteristics identical datssheet those of the familiar operational amplifier. In addition the total supply current for all four amplifiers is comparable to the supply current of a single type op amp. Other features include input offset currents and input datwsheet current which are much less than those of a standard Also, excellent isolation between amplifiers has been achieved by independently biasing each amplifier and using layout techniques which minimize thermal coupling.

LM Datasheet(PDF) – National Semiconductor (TI)

For lower power refer to LF Ceramic Lead Temperature Soldering, 10 sec. Any of the amplifier outputs can be shorted to ground indefinitely; however, more than one should not be simultaneously shorted as the maximum junction temperature will be exceeded.

Human body model, 1. In the proliferation of quad op amps, these are the first to offer the convenience of familiar, easy to use operating characteristics of the op amp. In those applications where op amps have been employed, the LM series op amps can be employed directly with no change in circuit performance.

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Datasheet «LM348»

The package pin-outs are such that the inverting input of each amplifier datashewt adjacent to its output. In addition, the amplifier outputs are located in the corners of the package lm438 simplifies PC board layout and minimizes package related capacitive coupling between amplifiers.

The input characteristics of these amplifiers allow differential input voltages which can exceed the supply voltages. In addition, if either of the input voltages is within the operating common-mode range, the phase of the output remains correct.

If the negative limit of the operating common-mode range is exceeded at both inputs, the output voltage will be positive. For input voltages lj348 greatly exceed the maximum supply voltages, either differentially or common-mode, resistors should be placed in series with the inputs to limit the current.

Like the LM, these amplifiers can easily drive a pF capacitive load throughout the entire dynamic output voltage and current range. However, if very large capacitive loads must be driven by a non-inverting unity gain amplifier, datasheeet resistor should be placed between the output and feedback connection and the capacitance to reduce the phase shift resulting from the capacitive loading.

LM348 Datasheet PDF

A feedback pole is created when the feedback around any amplifier is resistive. The parallel resistance and capacitance from the input of the device usually the inverting input to AC ground set the frequency of the pole.

In many instances the frequency of this pole is much greater than the expected 3 dB frequency of the closed lk348 gain and consequently there is negligible effect on stability margin. 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.

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Data Sheet (current)

The value of the added capacitor should be such that the RC time constant of this capacitor and the resistance it parallels is greater than or equal to the original feedback pole time constant. Short circuits from an output to either ground or the power supplies will not destroy the unit.

However, lj348 multiple output shorts occur simultaneously, the time duration should be short to prevent the unit from being destroyed as a result of excessive power dissipation in the IC chip. As with most amplifiers, care should be taken lead dress, component placement and supply decoupling in order to ensure stability. All capacitors are 0. Lowpass Response 11 www.

Life support devices or systems are devices or systems which, a are intended for surgical implant into the body, or b support or sustain life, and whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user.

A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. A high-gain dc amplifier that has extremely high voltage gain.

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