ACPL-C784-500E

Voltage - Input Offset:	300µV
Base Part Number:	ACPL-C784
Supplier Device Package:	8-SSO
Package / Case:	8-SOIC (0.268", 6.81mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	4.5 V ~ 5.5 V
Current - Output / Channel:	18.6mA
Current - Supply:	11mA
Series:	--
-3db Bandwidth:	100kHz
Slew Rate:	--
Output Type:	Differential
Number of Circuits:	1
Amplifier Type:	Isolation
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The ACPL-C784-500E is a three-terminal, DC-coupled, Monolithic Linear amplifier. It utilizes a combination of low-noise, current-feedback op-amps, precision voltage-feedback networks and monolithic driver stages. This configuration requires less board space for amplifiers or other components, making it ideal for implementation in instrumentation and other electronic applications.

Application Field and Working Principle

The ACPL-C784-500E is well-suited for professional audio applications, such as power amplifiers, studio recording equipment, and live sound applications. The amplifier’s ability to accurately transfer signals up to 500MHz makes it ideal for use in these applications.The ACPL-C784-500E uses a three-transistor current feedback topology, which requires a supply voltage of between ±8 and ±20V for operation. This circuit configuration is characterized by its low input currents and low noise levels. Additionally, the protective circuitry limits distortion in the event of overload.The amplifier has three main components: the input stage, the gain stage, and the output stage. Firstly, the input stage is a buffer amplifier comprised of a high-impedance input terminal and a low-impedance output transistor. This low-impedance output is then fed into the gain stage, made up of a gain-setting network of precision resistors, current mirrors, and feedback networks. Lastly, the output stage comprises a buffer amplifier and an emitter-follower transistor that buffers the signal, allowing it to be transferred to external circuits.The ACPL-C784-500E is capable of delivering high slew rates and low distortion. This is due to its output stage’s fast response time and wide frequency range of up to 500MHz.

Conclusion

The ACPL-C784-500E is a low-noise, three-terminal linear amplifier. Its ability to transfer signals up to 500MHz makes it well-suited for use in professional audio applications, such as power amplifiers, studio recording equipment, and live sound. The ACPL-C784-500E utilizes a combination of current-feedback op-amps, precision voltage-feedback networks and monolithic driver stages, which produces low input current and low noise levels. Additionally, the amplifier’s output stage is made up of a buffer amplifier and emitter-followers that allow it to deliver high slew rates and low distortion.

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