MAX44298UWE+T

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The MAX44298UWE+T, a single- and dual-channel xPro family of instrumentation amplifiers, offers reliable, low-noise performance with high accuracy. By combining low power consumption and high resistance to transients, the MAX44298UWE+T offers reliable instrumentation performance to meet the requirements of medical, industrial, and automotive test and measurement applications.

The MAX44298UWE+T is an instrumentation amplifier designed to achieve high-precision, low-noise operation. It operates from a single 5V supply, with a Typical Input Bias Current of 0.1fA at 25°C. A differential amplifier is included for common-mode suppression of noise, providing the required noise-cancellation for the measurement of low dc differences. The differential amplifier has a gain-bandwidth product of 600MHz, 50 times higher than that of the usual instrumentation amplifier.

The MAX44298UWE+T has a low input bias current, low input offset voltage, and low drift. It also has High Common Mode Rejection (CMR >115dB) and Low Input Voltage Noise (9.9nV/√Hz). This high CMR means the amplifier will reject any external noise, such as hum or interference, thus allowing for accurate measurements of low dc voltages. In addition, the low input voltage noise will reduce noise and interference that could affect the accuracy of the amplifier.

The Max4429UWE+T also has high power-supply rejection (PSRR) ensuring low distortion of input signals from supply-voltage variations. The PSRR is 90dB, which enables power-rail rejection of up to ±35dB. This is particularly useful in automotive, medical and industrial test and measurement applications, where the supply voltage may vary due to differences in the surrounding environment and power supply restrictions.

The MAX44298UWE+T operates on a power supply between 4.5 to 5.5V, drawing only 250μA of current. The device is designed to operate in a temperature range of -40°C to +85°C. The amplifier provides a wide bandwidth of operation (300kHz) making it suitable for a variety of measurement applications. The MAX44298UWE+T also includes shutdown modes for low power consumption and standby operations.

The MAX44298UWE+T module can be used to buffer instrumentation signals coming from a transducer, or from any signal source with a wide voltage range. It is typically used in data acquisition applications to read voltage, current, temperature, or any other signal from transducers. It can also be used to amplify signals from analog sources, or to provide signal isolation for digital signals. The module is also useful for precision signal filtering, as its high common-mode rejection reduces the effect of noise and drift on measured signals.

The MAX44298UWE+T is also suitable for touch-screen and human machine interface applications. The device’s low voltage noise (9.9nV/√Hz) and wide bandwidth (300kHz) make it ideal for such applications, where low noise and quick response time are important. Furthermore, its low input bias current and drift, along with its high common-mode rejection (CMR >115dB) mean that it can be used with confidence in a range of touch-screen applications.

In summary, the MAX44298UWE+T module is an ideal solution for a wide variety of linear amplifiers and instrumentation applications, including data acquisition systems, signal buffering, and touch-screen control systems. Its low input bias current and drift, wide bandwidth and PSRR make it an ideal choice for accurate, low-noise operation in industrial, medical and automotive test and measurement applications.

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