EL2045CSZ

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EL2045CSZ Application Field and Working Principle

The EL2045CSZ is a two-channel, monolithic amplifier designed specifically for audio and signal conditioning applications. It is a low-cost, high-performance device ideal for a wide range of applications, from consumer electronics to industrial instruments.

The device features a power supply range of 3.3V to 36V and can operate in both single-ended and differential configurations. It features a gain of up to 57dB, a 0.1Hz to 50kHz frequency response, and a noise floor as low as 25µV. Its low distortion, low current consumption, high slew rate, and wide bandwidth make it ideal for audio applications such as line amplifiers, instrumentation, AC signal amplifiers, filter buffers, DC amplifiers and more.

The EL2045CSZ is a linear amplifier with instrumentation, operational amplifiers, buffer amplifiers and other components. It uses a direct-coupled common base amplifier circuit with a single set of emitter degeneration resistors and no other feedback elements. It is based on a bipolar voltage follower, with a feedback loop of resistance-capacitance (RC) across the collector and emitter. This configuration provides a wide and fastslewing voltage gain with low output impedance.

The EL2045CSZ operates from a single supply voltage and does not require an output capacitor. It uses a dual-input approach allowing for single-ended and differential inputs for the same signal. The device is also capable of providing adjustable gain with single-ended inputs, as well as a compensation for capacitance at the input for improved frequency response.

The EL2045CSZ also offers an output stage designed to protect against load faults and to dissipate voltage spikes from the output wire. Its low-noise input bias current, low distortion, and low output impedance make it ideal for high-quality, low-power signal conditioning. The device also has the capability to source and sink output currents up to ±200mA. The device is rated for operation up to 85°C case temperatures.

In summary, the EL2045CSZ is a versatile and low-cost amplifier/signal-conditioning device suitable for a variety of audio and signal-processing applications. It offers a wide range of features and performance characteristics, making it ideal for numerous applications. Its low distortion, low input current, wide bandwidth and low output impedance make the EL2045CSZ an excellent choice for audio and signal-conditioning requirements.

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