HI7190IB

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The HI7190IB is a part of a family of 8-bit Analog-to-Digital Converters (ADC) offered by Intersil Corporation. It is suitable for industrial applications requiring high accuracy and resolution. The HI7190IB is a dual-channel, single supply voltage low power device with on-chip temperature calibration. It features a maximum accuracy of 0.055 LSB and a full-scale input voltage range of up to ±10V. The ADC features a linearity of 0.4%, which makes it a very reliable and precise choice for data acquisition applications.

The HI7190IB has an on-chip voltage regulator and internal reference voltage, eliminating the need for external reference voltage and providing excellent system flexibility. The ADC integrates a wide range of signal conditioning and control logic, including a serial data interface, signal conditioning and multiplexing, and power sequencing with separate power sequencing pins for each of the two ADC channels.

The HI7190IB is ideal for high-precision industrial applications such as smart meters, test and measurement, automation and industrial control systems. It is also suitable for medical instrumentation and biomedical applications. The device also features an on-chip temperature calibration circuitry that ensures the highest accuracy even in challenging environmental conditions.

The HI7190IB is based on a patented technology that allows it to achieve high accuracy, resolution and linearity. The technology enables the ADC to measure small signals with high accuracy, while retaining excellent linearity. The ADC is designed to operate on a single positive supply voltage between 3.3V and 6V, and can be used with devices that operate on both single and dual-supply systems. Additionally, the ADC has an adjustable full-scale input voltage range that can be configured from ±10V, ±5V and more.

The HI7190IB features a low power consumption and the lowest power consumption per conversion of any 8-bit ADC in the industry. The device has a maximum total power consumption of 1.6 mW at 3.3V and 3.2 mW at 5V. Additionally, it also features a fast conversion rate of up to 250 kHz, making it ideal for handheld applications.

The HI7190IB includes a software programmable refrence voltage and capacitive DACs and allows for a wide range of external input and range options. Additionally, it has a digital filter which helps reduce noise and improve accuracy. The integrated cyclic redundancy check (CRC) ensures the accuracy of data and ensures system integrity.

The HI7190IB offers an easy-to-use serial interface that allows the user to program the on-board registers to access the ADC’s features and functions. All programming is done via the unified Serial Peripheral Interface (SPI). The device offers support for a wide range of digital signals including 3-wire and 4-wire SPI as well as I2C, making it compatible with most microprocessor systems.

Overall, the HI7190IB is an ideal choice for data acquisition and precision measurements in industrial applications. It has excellent accuracy, resolution and linearity, and its low power consumption makes it perfect for battery-operated applications. The wide range of features and flexible programming options make it a great choice for high-precision industrial applications that require precise analog-to-digital conversion.

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