ADS7951SBDBT

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Data Acquisition - Analog to Digital Converters (ADC)

Introduction

ADS7951SBDBT, manufactured by Texas Instruments, is an analog-to-digital converter (ADC). It is a low power, 16-bit, single-channel, serial, SAR ADC with on-chip reference. It is the most recent product series of low power, high-performance ADCs in which multiple channels and an integrated reference are available. It is available in an SO-14 package and is compatible with multiple analog input voltages.

Application Field

ADS7951SBDBT is a high performance ADC and is suitable for use in multiple applications including automotive infotainment systems, portable industrial, consumer and commercial products, medical instruments and applications, motor control systems and digital power conversion products. It is particularly suitable for battery-powered applications.

The high performance of ADS7951SBDBT is suitable for analog input signals, including in medical applications such as digital imaging, motion detection and other signal conversion tasks.

Working Principle

ADS7951SBDBT can convert a wide range of analog input signals into digital outputs. Its conversion architecture is based on pipelined successive approximate register (SAR) ADC. It is designed to achieve a sampling rate of up to 250 MSPS (mega samplings per second). The SAR ADC employs nine-bit segmentation to speed up the conversion, and all the segments are connected in series.

The converter has an on-chip reference for better stability and improved linearity. The internal reference has an adjustable output voltage range of 0.55 V to 2.45 V, which allows the user to select the reference voltage to match the desired input voltage range. The device also incorporates a low-noise differential amplifier that compares the input signal to the reference voltage level to generate the digital output.

Conclusion

ADS7951SBDBT is a high performance analog-to-digital converter with on-chip reference and is suitable for use in multiple applications. Its working principle is based on the pipelined successive approximate register (SAR) ADC and a low-noise differential amplifier. It is designed to achieve a sampling rate of up to 250 MSPS and is suitable for battery-powered applications.

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