Texas Instruments

ADS7955SRGET  

Analog to Digital Converters

ADS7955SRGET Description

The ADS7955SRGET is a high-performance, 10-bit, SAR (Successive Approximation Register) analog-to-digital converter (ADC) designed for a wide range of data acquisition applications. Manufactured by Texas Instruments, this IC is part of the microPOWER™ series, known for its low power consumption and high efficiency. The ADS7955SRGET features a single A/D converter with a sampling rate of 1 million samples per second (MSPS), making it suitable for high-speed data acquisition tasks.

The device supports a wide supply voltage range, with the analog supply voltage (V_DDA) ranging from 2.7V to 5.25V and the digital supply voltage (V_DDD) from 1.7V to 5.25V. This flexibility allows the ADS7955SRGET to be used in various power environments without compromising performance. The ADC is designed with a 1:1 sample-and-hold (S/H) to ADC ratio, ensuring accurate and reliable data conversion.

The ADS7955SRGET includes eight single-ended inputs, providing ample flexibility for connecting multiple sensors or signals. The data interface is SPI (Serial Peripheral Interface), which is widely used in embedded systems for communication between microcontrollers and various peripheral devices. This interface ensures fast and efficient data transfer, making the ADS7955SRGET ideal for applications requiring real-time data processing.

ADS7955SRGET Features

• 10-bit Resolution: Provides high precision in converting analog signals to digital data.
• 1 MSPS Sampling Rate: Ensures fast data acquisition, suitable for high-speed applications.
• Wide Supply Voltage Range: Analog supply voltage from 2.7V to 5.25V and digital supply voltage from 1.7V to 5.25V.
• Eight Single-Ended Inputs: Allows for the connection of multiple sensors or signals.
• SPI Data Interface: Facilitates efficient communication with microcontrollers and other digital systems.
• Low Power Consumption: Part of the microPOWER™ series, designed for energy-efficient operation.
• External Reference Type: Allows for the use of an external reference voltage, enhancing accuracy.
• Surface Mount Packaging: Ideal for compact and high-density PCB designs.
• Moisture Sensitivity Level 3 (168 Hours): Ensures reliability in various environmental conditions.
• Compliance: REACH Unaffected and ROHS3 Compliant, ensuring environmental and regulatory standards are met.

ADS7955SRGET Applications

The ADS7955SRGET is well-suited 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 multiple sensors need to be interfaced and data needs to be processed quickly.
• Medical Equipment: In medical devices that require precise and rapid data acquisition, such as patient monitoring systems and diagnostic equipment.
• Automotive Systems: For applications in vehicles where sensors need to be read and processed in real-time, such as engine management systems and advanced driver-assistance systems (ADAS).
• Consumer Electronics: In devices that require high-speed data acquisition, such as smart meters and IoT devices.

Conclusion of ADS7955SRGET

The ADS7955SRGET is a versatile and high-performance ADC that offers a combination of features and benefits that make it stand out in the data acquisition market. Its 10-bit resolution, 1 MSPS sampling rate, and wide supply voltage range make it suitable for a wide range of applications. The inclusion of eight single-ended inputs and an SPI interface ensures flexibility and efficient data transfer. The device's low power consumption and compliance with environmental standards further enhance its appeal.

Overall, the ADS7955SRGET is an excellent choice for engineers and designers looking for a reliable, high-speed ADC that can meet the demands of modern data acquisition systems. Its robust performance and extensive feature set make it an ideal solution for a variety of industrial, medical, automotive, and consumer applications.

ADS7955SRGET Documents

Download datasheets and manufacturer documentation for ADS7955SRGET

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Process Change Notification (PDF)