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TI Releases New SAR ADC Family of Data Converters

Texas Instruments (TI) has expanded its portfolio of high-speed data converters with a broad new family of successive-approximation register (SAR) analog-to-digital converters (ADCs) that enable high-precision data acquisition in industrial designs.

TIFeaturing best-in-class dynamic range at the lowest power consumption, the ADC3660 family includes eight SAR ADCs in 14-, 16- and 18-bit resolution at sampling speeds ranging from 10 to 125 MSPS, helping designers improve signal resolution, extend battery life and strengthen system protection.

The ADC3660 family delivers up to 80% lower latency than competitive devices at similar speeds. For example, system designers can achieve one-clock (8 ns) ADC latency with the 125-MSPS, 14-bit, dual-channel ADC3664.

The family’s ultra-low latency enables high-speed digital control loops in a wide variety of industrial systems to more accurately monitor and respond to voltage and current spikes, increasing tool precision in applications such as semiconductor manufacturing systems.

The ADC3660 family eliminates this trade-off. For example, the ADC3683 – the industry’s fastest 18-bit ADC at 65 MSPS – improves noise performance in narrowband-frequency applications such as portable defense radios, offering a signal-to-noise ratio (SNR) of 84.2 dB and a noise spectral density of -160 dBFS/Hz while maintaining low power consumption of 94 mW per channel.

Consuming 36 mW total, the 10-MSPS, 14-bit ADC3541 simplifies thermal management and extends battery life in power-sensitive applications such as GPS receivers or handheld electronics.

And the 65-MSPS, 16-bit ADC3660 delivers 82 dBFS SNR, improving image resolution in sonar applications while consuming 65% less power (71 mW per channel) than the equivalent competitive device. Watch the video, “Increasing signal detection capability in industrial applications,” to learn more about how the family’s noise performance contributes to higher accuracy and better image resolution.

The ADC3660 family’s high sampling speeds and integrated features help designers reduce the number of components in their systems. For example, the ADC3683 – which samples four times faster than the closest competing 18-bit device at twice the channel density – enables oversampling, a technique that pushes harmonics further from the desired signal. This allows designers to reduce antialiasing filter complexity and system component count by as much as 75%.

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Aishwarya Saxena

A book geek, with creative mind, an electronics degree, and zealous for writing.Creativity is the one thing in her opinion which drove her to enter into editing field. Allured towards south Indian cuisine and culture, love to discover new cultures and their customs. Relishes in discovering new music genres.

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