AD7367BRUZ

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Data Acquisition – Analog to Digital Converters (ADC) is an essential component of modern telecommunications and computing systems. The AD7367BRUZ silicon-cell ADC is a high performance, monolithic, 16-bit ADC that offers excellent dynamic performance and low power dissipation. This article will discuss the application of the AD7367BRUZ digitizer and its working principle.

The AD7367BRUZ is suitable for a wide range of applications requiring high speed, accurate signal digitization. It can accept up to 10 kHz analog input sampling rate at its full 16-bit resolution. It is ideal for applications such as high speed signal sampling and analysis, precision closed loop control and closed loop instrumentation. In addition, it can be used for medical imaging, video acquisition, and sonic system. Furthermore, the device delivers a high dynamic performance of better than 94 dB signal-to- noise ratio (SNR) and -94 dBc total harmonic distortion (THD).

The AD7367BRUZ is a single-channel, 16-bit monolithic ADC with a differential input and an SPI interface. It has an adjustable power supply range of 2.7 V to 5.5 V and a digital output voltage range of 0.6 V to 4.5 V. The device consumes a total of 2.3 mA of static power consumption and up to 2.7 mA of power consumption in the digital-only state. The device features a maximum sampling rate of 10 kHz, an input signal range of 5.25Vpp, 95 dB SNR and -94 dBc THD.

The AD7367BRUZ relies on a symmetric differential voltage input. Its pinout includes two inputs, one output and one reference for Coding. The chip supports both active and passive biasing and can work with single-ended or differential inputs. It supports input frequencies ranging from DC to 10kHz and can handle up to 5.25Vpp input signal. The chip also features a low-power standby mode and runs at 2.7V to 5.5V.

The ADC operates within a wide supply voltage range of 2.7V to 5.5V and has a data rate up to 10kHz. The differential input stage consists of an operational amplifier, coupled with an input buffer. The amplifier offers low noise and low input leakage levels, with a gain of 3dB. The output stage has three multiplexers and a comparator, used to produce a digital logic output that is synchronized with the analog signal arrived at the input.

The device uses two serial interfaces – SPI and I2C. The SPI interface consists of three digital input/output pins: SCL or chip clock, CS or chip select, and SDA or serial data line. The SPI interface enables the digital logic signals to be generated in the ADC. The serial I2C interface differs from SPI in that it requires only two connections, the SCL clock, and the SDA serial data line. The I2C interface is used for the serial-data coding. Both the SPI and the I2C can be used for setting up and to read the 16-bit digital output code from the AD7367BRUZ.

The AD7367BRUZ has excellent dynamic performance and lowpower dissipation, making it an ideal choice for a wide range of applications. It can handle up to 5.25Vpp input signal, has a maximum sampling rate of 10kHz and consumes 2.3mA of power in the static state. The ADC features a differential input, low noise, and low input leakage and three multiplexers and a comparator in the output stage. Its operating voltage range is 2.7V to 5.5V and it supports both SPI and I2C interface. The device is suitable for applications such as high speed signal sampling, analysis, precision closed loop control, closed-loop instrumentation, medical imaging, video acquisition, and sonic system.

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