ADC3549IRTD

Analog To Digital Converters (ADC) Overview

The ADC3549IRTD is a single-channel, 14-bit analog-to-digital converter (ADC) manufactured by Texas Instruments. It supports a maximum sampling rate of 500 MSPS and operates within an industrial temperature range of -40°C to +105°C. The device utilizes a non-interleaved architecture with a noise spectral density of -158.5 dBFS/Hz and delivers a signal-to-noise ratio (SNR) of 73.8 dBFS at 70 MHz input frequency. Power consumption is 435 mW at full speed. It features buffered differential analog inputs with programmable 100Ω or 200Ω termination and a 2 Vpp full-scale input range. The component is housed in a 64-pin VQFNP package.

Analog To Digital Converters (ADC) Feature Summary

• Integrated quad-band digital down-converter supporting complex and real decimation ratios from 2x to 32768x with phase-coherent frequency hopping capabilities.
• Flexible LVDS interface allowing parallel SDR/DDR operation for bypass modes and serial transmission for high-decimation applications.
• Single-core architecture providing low aperture jitter and optimized power efficiency across varying sampling rates.

Analog To Digital Converters (ADC) Applications

• Software defined radio
• Spectrum analyzer
• Radar systems

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to ensure correct package variant and temperature grade. Confirm that the required supply voltages match the recommended operating conditions before finalizing procurement specifications.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a single-channel, high-speed digitizer with integrated digital signal processing is required. Compare performance metrics against the ADC3548 if a lower sampling rate suffices for the application. Ensure the system design accommodates the specific thermal resistance characteristics of the 64-pin QFN package.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADC354x family, which also includes the ADC3548 variant. Both devices share identical architectural features and resolution but differ in their maximum supported sampling rates. The ADC3549 represents the higher-performance option within this specific series for demanding wideband applications.

Analog To Digital Converters (ADC) Replacement Considerations

The ADC3548 serves as a functional alternative within the same family for applications not requiring the full 500 MSPS bandwidth. Other members of the broader ADC36xx or ADC356x families may offer different channel counts or resolutions but require distinct interface and pinout adaptations.

Analog To Digital Converters (ADC) FAQ

What is the maximum sampling rate for the ADC3549?

The maximum sampling rate is 500 MSPS.

Does the ADC3549 include a digital down-converter?

Yes, it includes up to four independent digital down-converters (DDCs) supporting decimation ratios up to 32768x.

What is the input format of the ADC3549?

The device accepts a single-ended or differential analog input signal via the AINP and AINM pins.