AD9251BCPZRL7-40

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Number of Bits:	14
Sampling Rate (Per Second):	40M
Number of Inputs:	2
Input Type:	Differential
Data Interface:	Parallel
Configuration:	S/H-ADC
Ratio - S/H:ADC:	1:1
Number of A/D Converters:	2
Architecture:	Pipelined
Reference Type:	External, Internal
Voltage - Supply, Analog:	1.7 V ~ 1.9 V
Voltage - Supply, Digital:	1.7 V ~ 3.6 V
Features:	Simultaneous Sampling
Operating Temperature:	-40°C ~ 85°C
Package / Case:	64-VFQFN Exposed Pad, CSP
Supplier Device Package:	64-LFCSP-VQ (9x9)
Base Part Number:	AD9251

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Data Acquisition - Analog to Digital Converters (ADC)

Analog to Digital Converters (ADC) are digital circuits used to convert analog signals from analog sources into digital words. The AD9251BCPZRL7-40 is an 8-bit, high-speed, low-power ADC from Analog Devices. It is designed to meet the needs of a wide range of applications, from general-purpose applications like sensor-to-digital conversion to specialized tasks such as telecommunications, medical imaging, and other industrial applications.

Application Field

The AD9251BCPZRL7-40 is suitable for a variety of applications, including industrial process control, medical imaging, and telecommunications. It can be used for data acquisition, analog-to-digital signal conversion, and is ideal for applications requiring an extremely low power consumption while maintaining high performance. There are also a wide range of applications suited for the AD9251BCPZRL7-40. They include automotive, automotive infotainment systems, consumer electronics, instrumentation, and a wide range of industrial applications such as cooling and heating systems. It can also be used in audio playback systems, smart home appliances, and industrial motors. The AD9251BCPZRL7-40 is optimal for applications with wide bandwidth, high sampling rate, and low power consumption requirements. Additionally, the design of the device itself eliminates the need for external components while still maintaining sufficient accuracy in the conversion process.

Working Principle

The AD9251BCPZRL7-40 works on the principle of successive approximation, where a digital word is created by multiplying the analog voltage by an 8-bit binary value. This binary value is then compared with the analog voltage, and the most significant bit (MSB) is adjusted accordingly. This process is repeated for each of the remaining bits until the analog signal is accurately represented as a digital word.The device uses an 18-bit variable gain amplifier (VGA) to automatically adjust the gains necessary to accommodate inputs of different amplitudes. This makes it suitable for a wide range of signal input ranges, from 1.771 mV to 60.63 mV. Additionally, the device supports sampled rates of up to 25 MHz, allowing it to process fast and varying signals. The AD9251BCPZRL7-40 also offers high accuracy and low noise figures, making it suitable for a variety of applications where accuracy is paramount. It is important to note that the device is not suitable for signals with frequencies higher than 1 MHz in the environement, and it is therefore important to consider the signal environment when selecting this device.

Conclusion

The AD9251BCPZRL7-40 is an 8-bit, high-speed, low-power analog-to-digital converter from Analog Devices. It offers a wide range of applications in industry, medical imaging, telecommunications, and other specialized tasks, making it a good choice for various signal conversion needs. It is designed for low power consumption and wide bandwidths, and uses a variable gain amplifier to automatically adjust for low-amplitude analog signals. Additionally, it has a high accuracy and low noise figures, making it suitable for applications in which accuracy is paramount.

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