Texas Instruments

TLC3548CDWR

TLC3548CDWR Description

The TLC3548CDWR from Texas Instruments is a high-performance 14-bit SAR (Successive Approximation Register) analog-to-digital converter (ADC) designed for precision measurement applications. Housed in a 24-pin SOIC package and available in tape & reel (TR) packaging, this ADC integrates a single converter with SPI-compatible data interface, enabling seamless communication with microcontrollers or DSPs. It operates over an analog supply voltage of 5V and a flexible digital supply range of 2.7V to 5.5V, making it suitable for mixed-voltage systems. With a sampling rate of 200k samples per second (SPS) and 4 or 8 configurable input channels, it delivers high-speed, multi-channel data acquisition. The device supports both external and internal voltage references, enhancing design flexibility. Its 0°C to 70°C operating temperature range ensures reliable performance in industrial and commercial environments.

TLC3548CDWR Features

• 14-bit resolution for high-accuracy signal conversion.
• 200kSPS sampling rate enables rapid data capture.
• SPI interface ensures easy integration with digital systems.
• Dual supply operation: 5V analog and 2.7V–5.5V digital, supporting mixed-voltage designs.
• Configurable inputs: 4 or 8 single-ended channels for versatile signal acquisition.
• External/internal reference options for precision customization.
• SAR architecture balances speed and power efficiency.
• RoHS3 compliant and REACH unaffected, meeting environmental standards.
• MSL 1 (unlimited) rating ensures long shelf life and handling ease.

TLC3548CDWR Applications

The TLC3548CDWR excels in applications demanding high-resolution, medium-speed ADCs with multi-channel capability:

• Industrial automation: Process control, sensor interfaces, and data loggers.
• Medical instrumentation: Portable diagnostic devices and patient monitoring systems.
• Test and measurement equipment: Oscilloscopes, spectrum analyzers, and multimeters.
• Automotive systems: Battery management and sensor signal conditioning.
• Consumer electronics: Audio processing and high-precision touch panels.

Conclusion of TLC3548CDWR

The TLC3548CDWR stands out for its 14-bit precision, flexible input configuration, and robust SPI interface, making it ideal for systems requiring reliable analog-to-digital conversion. Its dual-supply operation and reference options provide design versatility, while the 200kSPS throughput ensures timely data acquisition. Although marked as Last Time Buy, its performance and TI’s legacy support make it a compelling choice for legacy or new designs in industrial, medical, and automotive applications. Engineers seeking a balance of speed, resolution, and channel flexibility will find this ADC a dependable solution.