Texas Instruments

ADS7953SDBT  

Analog to Digital Converters

ADS7953SDBT Description

The ADS7953SDBT is a high-performance, 12-bit successive approximation register (SAR) analog-to-digital converter (ADC) from Texas Instruments, designed for demanding data acquisition applications. This IC features a single SAR ADC with a sampling rate of 1 million samples per second (MSPS), making it ideal for high-speed data acquisition systems. It supports a wide range of supply voltages, with the analog supply ranging from 2.7V to 5.25V and the digital supply from 1.7V to 5.25V, ensuring compatibility with various power supply configurations.

The ADS7953SDBT is equipped with 16 single-ended inputs, allowing for versatile and flexible signal acquisition. It employs an external reference type, which provides designers with the flexibility to choose the most suitable reference voltage for their specific application. The device is housed in a 38-TSSOP package, which is suitable for surface-mount applications, ensuring robustness and reliability in various operating environments.

ADS7953SDBT Features

• High-Speed Sampling: The ADS7953SDBT offers a sampling rate of 1 MSPS, enabling rapid data acquisition and processing.
• Wide Supply Voltage Range: With an analog supply voltage range of 2.7V to 5.25V and a digital supply voltage range of 1.7V to 5.25V, the ADC can be integrated into systems with different power supply requirements.
• 12-Bit Resolution: The 12-bit resolution ensures precise conversion of analog signals to digital data, suitable for applications requiring high accuracy.
• SPI Data Interface: The SPI interface facilitates easy communication with microcontrollers and other digital systems, simplifying system integration.
• Single-Ended Inputs: The 16 single-ended inputs provide flexibility in signal acquisition, making the ADC suitable for a wide range of applications.
• External Reference: The use of an external reference allows for optimization of the reference voltage, enhancing the accuracy and performance of the ADC.
• Compliance and Status: The ADS7953SDBT is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. It is also an active product, ensuring long-term availability and support.

ADS7953SDBT Applications

The ADS7953SDBT is ideal for a variety of applications where high-speed, high-precision data acquisition is required. Some specific use cases include:

• Industrial Automation: For real-time monitoring and control of industrial processes, where precise and rapid data acquisition is crucial.
• Medical Equipment: In medical devices that require accurate and fast signal processing, such as patient monitoring systems and diagnostic equipment.
• Automotive Systems: For applications in the automotive industry, such as engine control units and advanced driver-assistance systems (ADAS), where reliability and precision are paramount.
• Communication Systems: In communication infrastructure, where high-speed data acquisition is necessary for signal processing and analysis.

Conclusion of ADS7953SDBT

The ADS7953SDBT from Texas Instruments is a versatile and high-performance ADC that offers a combination of speed, accuracy, and flexibility. Its wide supply voltage range, high sampling rate, and 12-bit resolution make it suitable for a variety of demanding applications. The SPI interface and external reference type provide ease of integration and optimization, while its compliance with environmental and regulatory standards ensures long-term viability. Whether used in industrial automation, medical equipment, automotive systems, or communication infrastructure, the ADS7953SDBT stands out as a reliable and efficient solution for high-speed data acquisition.

ADS7953SDBT Documents

Download datasheets and manufacturer documentation for ADS7953SDBT

Datasheets :

ADS795x, ADS796x      

PCN Design/Specification :

ADS7950-ADS7961 13/Aug/2018       Design 22/Feb/2022