KA4558DTF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Amplifier Type:	General Purpose
Number of Circuits:	2
Output Type:	--
Slew Rate:	1.2 V/µs
Current - Input Bias:	30nA
Voltage - Input Offset:	2mV
Current - Supply:	3.5mA
Voltage - Supply, Single/Dual (±):	--
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	KA4558

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KA4558DTF Application Field and Working Principle

Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

The KA4558DTF is an integrated circuit (IC) designed for use in instrumentation, OP amps, buffer amps and other applications in the field of linear amplifiers. It is a high-performance, dual operational amplifier (op amp) with excellent frequency response and precision. The dual op amps have their own independent power supplies, allowing for greater flexibility when setting up the circuit. The main purpose of the KA4558DTF is to amplify analog input signals, such as those from sensors, and turn them into a much larger output. It is commonly used in audio devices, particularly in stereo amplifiers, as it provides a very clean, clear sound. The device can be used for many different applications, including amplifying radio signals and buffering signals to reduce electrical noise. In terms of its circuit design, the KA4558DTF consists of two identical op amps, with symmetrical power rails and low quiescent current. Each of the two amplifier sections has two internal poles, with the outputs of both sections sharing a common ground. This arrangement allows for a lower input impedance, making it ideal for audio applications. The inputs of each amplifier section can either be taken as either noninverting or inverting inputs in order to best suit the needs of the circuit. The inverting inputs of both sections can then be taken as either single-ended or differential inputs. The KA4558DTF has an internal compensation capacitor, which helps to reduce the output distortion at higher frequencies.The device features a slew rate of 0.8 V/µs, with a low total harmonic distortion (THD) of less than 0.002%. This makes it suitable for high-fidelity amplifier designs, and is ideal for use in audio devices such as stereo receivers, preamplifiers, and other similar products. The KA4558DTF has a wide common-mode range, so it can handle large input signals without any problems. In terms of power consumption, the KA4558DTF requires very little current, which makes it an attractive choice for applications where energy efficiency is important. It is also highly reliable, and has been successfully tested in continuous operation at temperatures ranging from -40°C to +85°C.Overall, the KA4558DTF is a reliable, well designed integrated circuit, perfect for use in instrumentation, op amps, buffer amps, and other linear amplifier circuits. Its excellent frequency response and precision, combined with its low power consumption, makes it an ideal choice for use in audio equipment or other applications requiring high-quality sound.

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