Texas Instruments

ADS8678IDBT  

Analog to Digital Converters

ADS8678IDBT Description

The ADS8678IDBT from Texas Instruments is a high-performance, 14-bit SAR analog-to-digital converter (ADC) designed for precision measurement applications. Housed in a compact 38-TSSOP package, it integrates a single ADC with an SPI interface, offering a 500kSPS sampling rate for rapid data acquisition. The device operates with a 5V analog supply and a flexible 1.65V to 5.25V digital supply, ensuring compatibility with diverse system voltages. Its 8 single-ended inputs and 1:1 sample-and-hold (S/H) to ADC ratio simplify signal chain design, while the internal reference enhances accuracy and reduces external component count.

ADS8678IDBT Features

• 14-bit resolution with SAR architecture for high-speed, low-latency conversions.
• Programmable Gain Amplifier (PGA) for signal conditioning, improving dynamic range.
• 500kSPS throughput enables real-time data processing in demanding applications.
• Wide digital supply range (1.65V–5.25V) supports interfacing with low-voltage processors.
• Internal reference eliminates the need for external components, reducing BOM cost.
• RoHS3 compliant and REACH unaffected, meeting environmental standards.
• Moisture Sensitivity Level (MSL 2) ensures reliability in humid conditions.

ADS8678IDBT Applications

The ADS8678IDBT excels in systems requiring high-speed, high-resolution data conversion, such as:

• Industrial automation: PLCs, motor control, and sensor interfaces.
• Medical instrumentation: Portable diagnostic equipment and patient monitoring.
• Test and measurement: Oscilloscopes, data loggers, and spectrum analyzers.
• Energy management: Power quality analyzers and smart grid systems.
• Automotive: Battery management and onboard diagnostics (OBD).

Conclusion of ADS8678IDBT

The ADS8678IDBT combines 14-bit precision, 500kSPS speed, and integrated PGA in a robust TSSOP package, making it ideal for high-performance embedded systems. Its flexible supply range, internal reference, and SPI interface simplify integration, while its industrial-grade reliability ensures long-term operation in harsh environments. For engineers seeking a balance of speed, accuracy, and ease of use, this ADC stands out among competing solutions.

ADS8678IDBT Documents

Download datasheets and manufacturer documentation for ADS8678IDBT

Datasheets :

ADS8674, ADS8678 Datasheet      

HTML Datasheet :

ADS8674, ADS8678 Datasheet      

PCN Design/Specification :

Design 22/Feb/2022