Texas Instruments

ADC121S655CIMM/NOPB  

Analog to Digital Converters

ADC121S655CIMM/NOPB Description

The ADC121S655CIMM/NOPB is a high-performance, 12-bit analog-to-digital converter (ADC) from Texas Instruments, designed for applications requiring precise and efficient digital conversion of analog signals. This single-channel ADC features a sampling rate of 500,000 samples per second (500k SPS), making it suitable for a wide range of applications where high-speed data acquisition is essential. The ADC121S655CIMM/NOPB employs a Successive Approximation Register (SAR) architecture, which ensures accurate and reliable conversion with minimal latency.

The device supports both SPI and DSP data interfaces, providing flexibility in system integration and compatibility with various microcontrollers and digital signal processors. It operates with a 5V analog supply voltage and a 5V digital supply voltage, ensuring stable performance across a broad range of operating conditions. The ADC121S655CIMM/NOPB is housed in an 8-pin VSSOP package, which is ideal for surface-mount applications, offering a compact footprint and robust mechanical stability.

ADC121S655CIMM/NOPB Features

• High-Speed Sampling: With a sampling rate of 500k SPS, the ADC121S655CIMM/NOPB can efficiently capture and convert analog signals at a high frequency, making it suitable for real-time data acquisition systems.
• 12-Bit Resolution: The 12-bit resolution ensures high precision in the conversion process, allowing for detailed and accurate digital representations of analog signals.
• Flexible Data Interfaces: Support for both SPI and DSP interfaces provides compatibility with a wide range of digital systems, enhancing the versatility of the ADC in various applications.
• Dual Input Types: The ADC121S655CIMM/NOPB supports both differential and single-ended input types, offering flexibility in signal acquisition and processing.
• External Reference: The use of an external reference allows for precise calibration and ensures consistent performance across different operating conditions.
• Robust Packaging: The 8-pin VSSOP package is designed for surface-mount applications, providing a compact and durable solution suitable for space-constrained environments.
• Compliance and Status: The ADC121S655CIMM/NOPB is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and regulatory standards. However, it is marked as "Not For New Designs," indicating that it may be phased out in favor of newer models.

ADC121S655CIMM/NOPB Applications

The ADC121S655CIMM/NOPB is well-suited for applications that demand high-speed, high-precision analog-to-digital conversion. Some specific use cases include:

• Data Acquisition Systems: Ideal for capturing and processing analog signals in real-time, such as in industrial automation, medical equipment, and scientific instruments.
• Signal Processing: Suitable for applications requiring precise signal processing, such as audio processing, vibration analysis, and sensor interfacing.
• Embedded Systems: The compact footprint and high performance make it a suitable choice for embedded systems where space and power consumption are critical factors.
• Automotive Electronics: The robustness and reliability of the ADC121S655CIMM/NOPB make it suitable for automotive applications, such as engine control units and sensor interfaces.

Conclusion of ADC121S655CIMM/NOPB

The ADC121S655CIMM/NOPB from Texas Instruments is a versatile and high-performance 12-bit ADC that offers a combination of speed, precision, and flexibility. Its high sampling rate, dual input types, and support for multiple data interfaces make it an excellent choice for applications requiring efficient and accurate analog-to-digital conversion. While marked as "Not For New Designs," the ADC121S655CIMM/NOPB remains a reliable option for existing systems and applications where its unique features and performance benefits are essential.

ADC121S655CIMM/NOPB Documents

Download datasheets and manufacturer documentation for ADC121S655CIMM/NOPB

Datasheets :

ADC121S655      

HTML Datasheet :

ADC121S655      

PCN Design/Specification :

VSSOP Pkg Copper Wire 07/Jun/2013