AD7170BCPZ-REEL7

Number of A/D Converters:	1
Base Part Number:	AD7170
Supplier Device Package:	10-LFCSP-WD (3x3)
Package / Case:	10-WFDFN Exposed Pad, CSP
Operating Temperature:	-40°C ~ 105°C
Features:	--
Voltage - Supply, Digital:	2.7 V ~ 5.25 V
Voltage - Supply, Analog:	2.7 V ~ 5.25 V
Reference Type:	External
Architecture:	Sigma-Delta
Series:	--
Ratio - S/H:ADC:	--
Configuration:	ADC
Data Interface:	SPI
Input Type:	Differential
Number of Inputs:	1
Sampling Rate (Per Second):	--
Number of Bits:	12
Part Status:	Active
Packaging:	Tape & Reel (TR)

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AD7170BCPZ-REEL7 Application Field and Working Principle

The AD7170BCPZ-REEL7 is a high-precision Analog to Digital Converter (ADC) from Analog Devices. It is part of a family of high-precision ADCs specifically designed for battery-powered systems that require accurate data acquisition of low-frequency signals. The AD7170BCPZ-REEL7 features on-chip temperature and offset/offset drift compensation, low power consumption, and its ability to measure single-ended or differential input signals.

Types of Analog to Digital Converters (ADCs)

Analog-to-Digital Converters (ADCs) are used to convert analog signals into digital signals. The type of ADC determines the level of precision and speed of the conversion process. The types of ADCs are flash, pipeline, sigma delta, and successive approximation. The AD7170BCPZ-REEL7 is a sigma-delta ADC, which is a type of ADC that performs high-resolution digital to analog (D/A) conversion by sampling the input signal at a high frequency and using a feedback loop to control the signal’s amplitude. This type of ADC is faster than flash and pipeline ADCs, and offers higher resolution than successive approximation.

Features of AD7170BCPZ-REEL7

The AD7170BCPZ-REEL7 features 16-bit resolution, 70dB SNR, and a sampling rate of 38kHz. It also features on-chip temperature compensation and offset/offset drift compensation for accurate data acquisition of low-frequency signals. The AD7170BCPZ-REEL7 also boasts a very low power consumption of 250µW (typical) at 1.8V. The part is also capable of accepting both single-ended and differential input signals, making it ideal for use in battery-powered systems that require accurate data acquisition of low-frequency signals.

Application Field

The AD7170BCPZ-REEL7 is ideally suited for applications such as portable medical, industrial, and consumer products that require accurate data acquisition of low-frequency signals. The device can be used in applications such as medical sensors, industrial controllers, consumer electronics, and home automation systems.

Working Principle

The AD7170BCPZ-REEL7 uses sigma-delta conversion, a type of digital to analog (D/A) conversion, to accurately and quickly convert analog signals to digital signals. Sigma-delta conversion works by sampling the input signal at a high frequency and using a feedback loop to control the signal’s amplitude. This type of ADC is faster than flash and pipeline ADCs, and offers higher resolution than successive approximation.The AD7170BCPZ-REEL7 then performs a voltage-to-digital conversion, where the analog signal is compared to a reference voltage and then converted to a digital representation. The digital output is then sent to the controller.

Conclusion

The AD7170BCPZ-REEL7 is a high-precision ADC from Analog Devices specifically designed for battery-powered systems that require accurate data acquisition of low-frequency signals. It features 16-bit resolution, 70dB SNR, a sampling rate of 38kHz, on-chip temperature and offset/offset drift compensation, and low power consumption. The AD7170BCPZ-REEL7 is ideal for applications such as medical sensors, industrial controllers, consumer electronics, and home automation systems. The AD7170BCPZ-REEL7 uses sigma-delta conversion to accurately and quickly convert analog signals to digital signals.

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