ADC3681IRSBT

Analog To Digital Converters (ADC) Overview

The ADC3681IRSBT is a dual-channel, 18-bit analog-to-digital converter from Texas Instruments. It operates at a sampling rate of 10 MSPS with a noise spectral density of -151.7 dBFS/Hz. The device features a 900 MHz input bandwidth and supports differential inputs. Power consumption is typically 106 mW per channel using an external reference. It utilizes a serial LVDS interface and is housed in a 40-pin WQFN package measuring 5 mm by 5 mm.

Analog To Digital Converters (ADC) Feature Summary

• Dual-channel architecture supporting simultaneous signal acquisition
• Ultra-low power consumption optimized for extended industrial temperature ranges
• Integrated on-chip digital filter with decimation options up to 32x
• Serial LVDS interface minimizing digital interconnect requirements

Analog To Digital Converters (ADC) Applications

• High-speed data acquisition systems
• Industrial monitoring equipment
• Software-defined radio infrastructure
• Power quality analyzers
• Radar and spectroscopy instrumentation

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific ordering suffix against the manufacturer's current orderable addendum to confirm package type and tape-and-reel specifications. Ensure the component meets RoHS compliance requirements for your target market. Cross-reference the datasheet revision history to validate that all electrical characteristics align with your design constraints before finalizing procurement orders.

Analog To Digital Converters (ADC) Selection Notes

Select this model when a fixed 10 MSPS sampling rate is sufficient for the application. Compare it against the ADC3682 and ADC3683 if higher throughput is required. Consider the internal versus external voltage reference options based on system noise sensitivity. Evaluate the SLVDS interface configuration to determine the optimal lane count for PCB routing complexity.

Analog To Digital Converters (ADC) Part Context

This component belongs to the ADC368x family, which includes the ADC3682 (25 MSPS) and ADC3683 (65 MSPS). All members share pin compatibility and the same 40-pin QFN footprint. The series is designed for low-noise, high-dynamic-range applications requiring precise DC accuracy and IF sampling support across varying speed grades.

Analog To Digital Converters (ADC) Replacement Considerations

The ADC3682IRSBT and ADC3683IRSBT are pin-compatible alternatives within the same family. These variants offer higher sampling rates of 25 MSPS and 65 MSPS respectively while maintaining identical packaging and interface configurations.