LT1178SW#PBF

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LT1178SW#PBF is an integrated circuit (IC) developed for linear amplifiers and instrumentation, operational amplifiers (op amps), buffer amplifiers and so on. It belongs to the exact bipolar family of linear amplifiers and instrumentation. On its basic side, LT1178SW#PBF is a high-power MOSFET operational amplifier with a wide slew rate and low input voltage noise/offset voltage.

The connection components of the LT1178SW#PBF have a wideband frequency range of up to 2MHz and an extended temperature range of -40 to +85 Celsius. It is used to amplify and condition the precision signals and offers high open-loop gain and High-Voltage Precision Operational Amplifiers — such as the LT1178SW#PBF — provide the precision and high-output voltage for driving instrumentations with analog-to-digital converters (ADCs). The LT1178SW#PBF also provides exceptional power supply rejection.

The LT1178SW#PBF has a typical input voltage noise density of 0.9nV/√Hz, which is quite high for a low-cost, DC-coupled amplifier. This high level of noise is achieved through robust shielding and efficient power supplies. Moreover, the supply voltage range encompasses ±10 V while the power dissipation can reach up to 6W.

With a slew rate of more than 3V/uSec and a power supply rejection of 75dB, LT1178SW#PBF is an effective tool for high-rate, closed-loop control and low-noise signal conditioning in low-level instrumentation and microprocessor-based systems. It is often used in applications such as signals, information and communication, gauges, monitoring and measurement, and audio-video systems.

In terms of the working principle, the LT1178SW#PBF is a dual-channel op amp with two cascaded stages, one with a differential pair of transistors, and the other one with a complimentary-symmetry follower. This combination of stages provides a high gain-bandwidth product and low offset, as well as wide dynamic range and low voltage noise. Through the additional stages of differential pairs and complimentary-symmetry followers, the LT1178SW#PBF has a higher gain and bandwidth than its predecessors. In addition, the high-bandwidth buffers allow for a wide range of frequencies and duty cycles to be amplified with low distortion and low noise.

The LT1178SW#PBF features both single-ended and differential input/output configurations, allowing it to work easily in both high- and low-impedance networks. In terms of protection, the LT1178SW#PBF has an integrated thermal protection circuit that cuts off the power supply and prevents damage to the device under extreme temperature scenarios. It also features improved thermal transient and power supply rejection, which allows the amplifier to maintain performance under dynamic and noisy power supply conditions.

Equipped with high gain, low noise and wideband, the LT1178SW#PBF is an ideal choice for amplifying precision low-level signals in instrumentation and control applications. Its unique combination of features and performance make it a superior choice for driving a variety of medium to high power loads. The LT1178SW#PBF is available in a 14-pin DIP package.

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