AD7891YSZ-1

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

AD7891YSZ-1 is a special purpose data conversion IC from Analog Devices Inc. which is used in industrial and medical applications. This IC is an 8-bit, 125 kHz, SPI/serial-peripheral interface (SPI)-compatible analog-to-digital converter (ADC) with a single zero-scale error correction feature and an integrated reference. The AD7891YSZ-1 ADC provides an excellent combination of low power, low noise, and fast conversion rate while retaining high linearity, high accuracy, and a wide range of dynamic range. Because it is a low-power, low-cost, integrated ADC and requires no external components, the AD7891YSZ-1 provides a low-power, high-performance data acquisition solution for embedded systems.

AD7891YSZ-1 ADC has several operating modes, including single-ended unipolar, differential unipolar, single-ended bipolar, and differential bipolar. The device can convert both positive and negative input signals, such as temperature and pressure sensors, into digital codes with a nominal 12.5 bit linearity and a programmable resolution from 8 to 16 bits. A unique feature of the AD7891YSZ-1 is its single zero-scale error correction feature that performs a software-selectable, internally calibrated, zero-scale error correction before each conversion to ensure that only valid codes are produced.

The working principle of the AD7891YSZ-1 ADC is very simple. The IC works by first resetting the internal registers to a known state, then converting the incoming analogue voltage signals into a digital equivalent, and finally, when the conversion is complete, outputting the result over an SPI. The AD7891YSZ-1 ADC has an integrated reference voltage generator and an output amplifier, eliminating the need for external voltage reference and buffer circuits. The ADC features a serial peripheral interface (SPI) for communication with the host processor, and a control logic circuit for setting the device up for operation.

The AD7891YSZ-1 ADC is well suited for a variety of industrial and medical applications, including digital control systems, medical imaging systems, telecommunication systems, and any system that requires low-noise and low-power analog-to-digital conversion. Because it is a low-power, high-performance ADC, it is also ideal for portable, power-sensitive applications.

In summary, the AD7891YSZ-1 is a low-power, high-performance, 8-bit ADC with an integrated reference and single zero-scale error correction feature. It is capable of working with both positive and negative input signals and is well suited for a variety of industrial and medical applications where low-power, low-noise, fast conversion rate and wide dynamic range are required.

The specific data is subject to PDF, and the above content is for reference