ISL28118FBZ Integrated Circuits (ICs)

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ISL28118FBZ is a precision instrumentation amplifier that can be used in a variety of applications. It is a versatile, high performance, low noise, low power, and low-input-bias current integrated circuit. Its features make it ideal for use in a variety of environments, such as medical systems, instrumentation systems, data acquisition systems, and laboratory applications.

The ISL28118FBZ was designed to operate over the input voltage range of ±10V. It combines a non-inverting amplifier and an inverting amplifier on a single chip. The non-inverting amplifier has a gain of 6.5V/V and the inverting amplifier has a gain of -6.5V/V. It is able to provide low-distortion, low-noise, and low-power performance in both amplifier circuits. It also features a wide operating temperature range of -40°C to +125°C and is available in a small 8-lead MSOP package.

The ISL28118FBZ comes with two selectable gain ranges of 1V/V and 10V/V. It can operate off single or dual supply with a minimum operating voltage of 2V and a maximum operating voltage of 30V. The output of the non-inverting amplifier can swing up to ±13.5V for single-ended output and up to ±27V for a differential output. The output of the inverting amplifier can swing up to ±10.3V for single-ended output and up to ±27V for a differential output. Additionally, it comes with an adjustable gain, adjustable bias current and adjustable offset voltage.

The ISL28118FBZ’s input bias current is typically 6nA, and its minimum common-mode rejection ratio (CMRR) is 120dB. The total harmonic distortion (THD) is 0.02%. The output impedance is 1.5Ω. It provides up to 105dB power supply rejection ratio (PSRR) and up to 80dB of common-mode rejection ratio (CMRR). The power consumption at 5V is just 2.5mW.

The working principle of the ISL28118FBZ starts with the input signal flowing through an I-to-V amplifier. This converter amplifies the input signal and then sends it to the gain-controlled stage. At this stage, the signal is further amplified and then sent to the output stage. At the output stage, the signal is then converted and amplified. Finally, the amplified signal is sent to the output of the ISL28118FBZ.

The ISL28118FBZ is suitable for use in medical systems, instrumentation systems, data acquisition systems, and laboratory applications. It is well-suited for precision sensing, measurement, control, and data acquisition applications. It can be used in thermocouple amplifiers, strain gauges, bridge amplifiers, biomedical applications, audio applications, and for signal conditioning. It is also used in industrial automation systems for monitoring, control, and data acquisition.

The ISL28118FBZ is an excellent amplifier with excellent performance characteristics. It provides excellent noise performance and a high input impedance, while still maintaining low power consumption. Its wide operating temperature range, small package size and excellent features makes it an ideal choice for many applications.

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