AD7262BSTZ-RL7

Number of A/D Converters:	2
Base Part Number:	AD7262
Supplier Device Package:	48-LQFP (7x7)
Package / Case:	48-LQFP
Operating Temperature:	-40°C ~ 105°C
Features:	PGA, Simultaneous Sampling
Voltage - Supply, Digital:	2.7 V ~ 5.25 V
Voltage - Supply, Analog:	5V
Reference Type:	External, Internal
Architecture:	SAR
Series:	--
Ratio - S/H:ADC:	1:1
Configuration:	PGA-S/H-ADC
Data Interface:	SPI, DSP
Input Type:	Differential
Number of Inputs:	2
Sampling Rate (Per Second):	1M
Number of Bits:	12
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The AD7262BSTZ-RL7 from Analog Devices is a widely used 8-bit analog-to-digital converter (ADC). It uses a unique design that combines an on-chip high-resolution Sigma-Delta ADC with a low-power, highly accurate reference. This enables it to provide extremely low noise and power consumption while providing a wide range of input ranges, conversion speeds and resolutions. This makes it suitable for a variety of applications and operating conditions.

Application Field

The AD7262BSTZ-RL7 is mainly used in automotive and industrial environments. In automotive applications, it is often used for accurate and low-noise signal processing from a variety of sensors, including exhaust gas temperature, coolant temperature, exhaust backpressure, and oil pressure. In industrial applications, it can be used to measure a variety of process instances, including pressure, temperature, humidity, force, acceleration, vibration, and acceleration.

Working Principle

The working principle of the AD7262BSTZ-RL7 is based on the Sigma-Delta ADC. This type of ADC has a high resolution and low current consumption, making it very power efficient and suitable for low-power applications. It works by converting an analog signal into a series of digital pulses that represent the original signal. The ADC starts with an input signal and converts it into a pulse sequence by using an oversampled modulated noise source. This means that the signal is sampled multiple times, and a higher resolution can be obtained by increasing the number of samples. The ADC then performs analog-to-digital conversion based on the pulse sequence. The output of the ADC is a digital representation of the input signal. The range and accuracy of the output is determined by the resolution of the ADC. The AD7262BSTZ-RL7 is an 8-bit ADC, which means that it has 256 discrete levels of output. This is suitable for most automotive and industrial applications, as it can detect small fluctuations in the input signal.

Conclusion

The AD7262BSTZ-RL7 is a versatile 8-bit analog-to-digital converter designed for automotive and industrial applications. It is based on the Sigma-Delta ADC, which enables it to have a high resolution and low current consumption. This makes it suitable for low-power applications and able to accurately detect small fluctuations in the input signal.

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