LT1124CN8#PBF

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Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

The LT1124CN8#PBF is a high-performance wide-band unity gain stable operational amplifier designed for different applications in the analog signal production and control technologies. This operational amplifier is suitable for a wide range of applications including transimpedance amplification, signal conditioning, audio amplification and power control.

Features

• Accurate close-in pole/zero cancellation
• Very wide bandwidth
• High speed
• Low distortion
• Low input bias/offset currents
• Operational flowing current range: 1.50 - 20mA
• Low noise
• High slew rate of 28V/µs
• Wide common-mode range
• Wide operating temperature range: -40°C to +85°C
• Wide voltage range of ±2.7V to ±18V
• Low power dissipation
• Available in 8-lead PDIP, SOIC, TSSOP and 8-Ball UCSP packages.

Working Principle

The LT1124CN8#PBF consists of an amplifier stage followed by an input stage. The amplifier stage consists of an input differential pair, an output stage, a current source and a reset current source. The input stage provides impedance matching, common-mode rejection, input offset voltage compensation, noise canceling and bias current cancellation. The input stage also provides high slew rates and a wide common-mode voltage range. The output stage is a class A amplifier with feedback topology and provides a low output impedance and a low distortion. The current source provides constant current for the output stage and provides linear output current and slew rate. The reset current source reduces the linear output current and decreases the complexity by reducing the gain. The output of the amplifier stage is a voltage low-pass filter. Wide frequency response of this filter allows the amplifier to operate at higher frequencies. A feedback loop stabilizes the amplifier and prevents oscillations. The feedback voltage relaxes the gain and reduces the output stage non-linearity.

Applications

The LT1124CN8#PBF is suitable for a variety of applications, including instrumentation amplifiers, audio amplifiers, transimpedance amplifiers and power control. Instrumentation amplifiers are used to measure low-level signals with very high accuracy and low-noise. The LT1124CN8#PBF features low-noise, high gain and wide bandwidth, making it suitable for instrumentation amplifiers. Audio amplifiers are used for a variety of applications, such as amplification of audio signals. The LT1124CN8#PBF features low distortion, high-speed and wide common-mode range, making it suitable for audio amplifiers. Transimpedance amplifiers are used to convert currents into voltages. The LT1124CN8#PBF features wide bandwidth and low noise, making them suitable for low-noise transimpedance amplifiers. Power control applications require high-speed and low-distortion operational amplifiers. The LT1124CN8#PBF is suitable for such applications due to its wide bandwidth, low noise and high speed. All these applications are benefited by the performance, precision, and flexibility of the LT1124CN8#PBF.

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