Differential-to-single-ended-voltage-amplifier

This circuit utilizes a CA5470 quad microprocessor BiMOS-E operational amplifier. Amplifiers A1 and A2 are configured as a cross-coupled differential input and differential output preamplifier stage, while A3 is responsible for input guard-banding. Additionally, amplifier A4 converts the differential outputs of A1 and A2 into a single-ended output.

The CA5470 quad microprocessor BiMOS-E operational amplifier is designed to offer high performance in various applications, particularly in signal processing. The configuration of amplifiers A1 and A2 as a cross-coupled differential input and output preamplifier stage enhances the circuit's ability to reject common-mode signals, thereby improving the overall signal integrity. This differential arrangement allows for improved noise performance and increased sensitivity to differential signals, which is crucial in applications requiring precise measurement and amplification.

Amplifier A3's role in providing input guard-banding is essential for protecting the circuit from unwanted interference and ensuring stable operation. Guard-banding involves creating a buffer zone around the input signal, which helps to mitigate the effects of noise and distortion that may arise from external sources or from within the circuit itself.

Following the preamplification stages, amplifier A4 serves to convert the differential outputs from A1 and A2 into a single-ended output. This conversion is critical for interfacing with subsequent stages of the system, which may require a single-ended signal for further processing or transmission. The single-ended output simplifies the design and integration of the circuit into larger systems, facilitating compatibility with various components and devices.

Overall, this circuit design effectively utilizes the capabilities of the CA5470 operational amplifier to achieve high performance in signal amplification, ensuring that the output is clean, stable, and suitable for further processing in electronic applications.This circuit uses a CA5470 quad microprocessor BiMOS-E op amp. Amplifiers Al and A2 are employed as a cross-coupled differential input and differential output preamp stage and A3 provides input guard-banding. Amplifier A4 converts tbe differential outputs of Al and A2 to a single-ended output. 🔗 External reference