BU6577FV-E2

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Data Acquisition - Analog Front End (AFE)

The BU6577FV-E2 is a highly integrated single chip system-on-a-chip (SoC) designed for data acquisition in the analog front-end (AFE) applications. It can work efficiently as both a receive (Rx) path solution as well as a transmit (Tx) path solution. The BU6577FV-E2 features a general-purpose analog-to-digital converter (ADC), an integrated programmable gain amplifier (PGA), and an integrated digital-to-analog converter (DAC). By combining with the high-performance low-power controller core, an embedded microcontroller and other logic resources, the chip is optimized for low-power data acquisition.

The BU6577FV-E2 is ideally suited for sensor data acquisition from a variety of sources including thermopiles, Hall effect sensors, image sensors, microphones, ultrasonic range finders, as well as bridge sensors such as strain gauges, load cells, and pressure sensors. The chip\'s on-chip programmable gain amplifier (PGA) allows it to adjust the input signal level to a range most suitable for the on-chip ADC. The integrated DAC allows the BU6577FV-E2 to be used in a system to control and monitor external devices.

The BU6577FV-E2 is operated by an 8051-compatible microcontroller and a set of digital logic to complete the AFE system. The chip provides flexible and efficient data acquisition, allowing the user to collect data from multiple sources without consuming any additional power. The chip integrates many of the required voltage regulators and other necessary power-supply blocks. The integrated low-dropout voltage regulator (LDO) can provide stable operation at a wide range of input voltages (1.1V ~ 4.5V) with improved power conversion efficiency, thus reducing the power consumption of the whole system.

In addition, the chip offers a high-performance SPI interface for programmability and external host interaction. The SPI and other peripheral interfaces can be easily interfaced with external peripherals or sensors and can be connected to the system startup controller through an external connection. An on-chip oscillator can provide a low-jitter clock reference for high-precision data acquisition.

The key features of the BU6577FV-E2 include a differential programmable gain amplifier (PGA), an integrated high-speed 8-bit ADC, a wide-range low-dropout voltage regulator (LDO), a 16-bit microcontroller, and a built-in SPI interface. The on-chip ADC, PGA and DXO can be configured to achieve a wide range of sampling rate and resolution. Furthermore, the chip supports an array of input/output pins with integrated configurable pin blocking and masking, as well as optional low-power modes.

The flexible programming of the BU6577FV-E2 allows for easy configuration for data acquisition in a wide range of applications, such as medical and automotive, industrial automation, consumer and other consumer electronics. Additionally, it is available in a RoHS-compatible surface-mount package which results in an extended service life with reduced system volume and power consumption.

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