AD7888BR-REEL7

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Data Acquisition – Analog to Digital Converters (ADC) are designed to convert analog signals into digital signals. They help in bringing physical parameters such as pressure, temperature, velocity, and other quantities into corresponding digital values. AD7888BR-REEL7, an 8-Bit ADC is a single channels device by Analog Devices, Inc. and is designed to meet the requirements of the consumer, industrial, medical and military markets.

The AD7888BR-REEL7 has the capability to operate from a single or dual power supply. It has an input voltage range of 0-5V and positions for 10-bit (OUT) and 8-bit (DOUT) digital data outputs. It can be used as an input device for digital systems such as microprocessors, digital signal processors and microcontrollers and provides high-speed, high resolution data sampling.

The AD7888BR-REEL7 follows a successive approximation technique to determine the value of the input voltage. First and foremost, the reference voltage is set to a suitable level. The input voltage is then compared with the reference voltage by using a comparator. The output of the comparator will be recorded and eight bit of data will be written. The result is then sent to the output pins of the AD7888BR-REEL7.

The input voltage is then sent through an 8 channel switch where it is compared to the set reference voltage using successive approximation techniques. After comparison, the result will be sent to the output pins of the AD7888BR-REEL7 and is available for easy access by other microcontrollers or processors through their standard digital interfaces.

The main application of the AD7888BR-REEL7 can be seen in data acquisition systems and medical applications. Additionally, the ADC can be used in various embedded systems in controlling various functions such as pressure, flow, and temperature measurements. This ADC can also be used in telecommunications, medical diagnostics, test equipment, and image processing.

In addition to its data acquisition capacity, the AD7888BR has very low power consumption. It requires a minimum power supply of 1.8V to 5V (AVDD), and 1.2V to 5V (DVDD), and a maximum total supply voltage of 9V. The ADC also has a fast response time ranging from 100 ns to 200 ns with a sampling rate of 200ksps.

The AD7888BR-REEL7 is a robust product, accommodating a wide range of signal inputs. It has low distortion, low noise signal-to-noise ratio and high voltage protection. It offers ±2 LSB INL and ±2 LSB error at 5V & 25°C and can operate with a temperature range of -40°C to +85°C.

The AD7888BR-REEL7 provides a unique combination of flexibility and precision allowing the user to sample various signals from sensors, data control and acquire information from medical equipment to audio systems. This device is highly power efficient and can be used in long-term applications with an extended temperature range and wide bandwidth.

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