EL5174IS

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The EL5174IS is an instrumentation amplifier from Intersil that is part of their BiCMOS family of integrated circuits. It is specifically designed as an electrometer amplifier in systems that require a high input impedance and low output impedance, such as a medical line monitor, radiation equipment, and medical imaging systems. This integrated circuit also incorporates electrostatic discharge protection.

The EL5174IS has a differential input impedance of 19MOhm and a common-mode impedance of 15MOhm, allowing for extremely high signal fidelity for even the most sensitive of equipment. It also has an input voltage range of ±2.5V and an output swing of up to ±14.5V. It is able to run on 4.5 to 20V supplies, and is capable of sustaining supply voltages up to 28V. The EL5174IS has a maximum input bias current of 100nA and can provide up to 200mA of output current.

The EL5174IS is most commonly used as an instrumentation amplifier because of its combination of features and specifications which make it ideal for monitoring critical measurements. Instrumentation amplifiers are used in applications where sensitive or low-level signals need to be monitored, amplified, or digitized. They are often used in situations where the signal levels are very low, or where the measured signal needs to be isolated from the measuring equipment. This isolation is what makes an instrumentation amplifier so valuable.

Equipment that utilizes the EL5174IS will typically connect the signal source between the In+ and In- pins of the IC. A non-inverting gain may then be applied to the signal. The non-inverting output is present at the Out+ pin, while the inverting output is present at the Out- pin. The gain is determined by the external resistor and can range from 1 to 1000. The EL5174IS is capable of single-ended or differential inputs and is also able to drive 32-bit ADC\'s, making it a very versatile device.

The EL5174IS is also a very efficient device, as it requires only 1.2µA of supply current in shutdown mode, and 3µA of operating current. This makes it an ideal solution for systems that require a low-power instrumentation amplifier. Furthermore, the EL5174IS has an outstanding common-mode rejection ratio (CMRR) of 78 dB and it can provide a gain error of 2% over temperature and supply voltage swings, making it highly accurate. The low offset voltage and wide bandwidth of the amplifier also make it suitable for more specialized applications.

The EL5174IS instrumentation amplifier from Intersil is an ideal choice for a wide variety of applications. Its high input impedance, low output impedance, and high accuracy make it a great choice for medical and environmental monitoring, radiation equipment, and medical imaging systems. Furthermore, its low supply current and low offset voltage make it perfectly suited for low-power operation and precise applications. Therefore, the EL5174IS is a great choice for instrumentation amplifiers in all types of systems.

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