HI7191IB

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The HI7191IB is a highly-integrated analog-to-digital converter that has become a staple for data acquisition applications. This device is a 16-bit ADC for measuring single-ended analog input signals. It is designed for low-cost, low-power and portability, making it a great choice for a wide range of applications from industrial and automotive to environment monitoring and healthcare.

The HI7191IB has a maximum sampling rate of 500 kSps and a resolution of 16 bits. It also features a wide input range (-30Vrms to +30Vrms) and high accuracy (+/-3LSB, using GND REF). This device is capable of rejecting common mode signals up to 40dB, which is particularly useful for reducing noise interference in multiplexed systems.

The HI7191IB is available in two package types, an 8-pin (SSOP) and a 10-pin (TQFP). Both packages have integrated voltage references and include on-chip protection circuitry to guard against overvoltage and reverse polarity on the power supply pins. This makes them ideal for applications where power supply noise immunity is a priority.

The working principle of the HI7191IB is based on the Delta-Sigma Modulator architecture. This design contains a delta-sigma modulator and filter, allowing it to achieve higher performance levels than other similar ADC architectures. This system is able to convert analog signals into digital signals with little or no distortion. The input signals are quantized and converted into a stream of digital pulses that can then be digitalized. It is also capable of multiplexing multiple input signals, which makes it suitable for applications that require simultaneous monitoring of multiple signals.

The HI7191IB is ideal for a wide range of data acquisition applications, including automotive, industrial, and medical. The ability to reject common-mode noise, multiplex multiple signals, and its wide input range, make it a great choice for applications that require precise and reliable measurements. The high accuracy and low latency of this device make it a perfect solution for applications that require high performance in limited space and power.

The HI7191IB is an effective tool for any data acquisition application, allowing engineers to record accurate, precise data quickly and with minimal effort. The combination of its accuracy, resolution, small size and power efficiency make it a great choice for any system requiring precise measurement of analog signals.

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