ADC3683IRSBT

Analog To Digital Converters (ADC) Overview

The ADC3683IRSBT is a dual-channel, 18-bit, 65 MSPS low-noise analog-to-digital converter manufactured by Texas Instruments. It utilizes a SAR architecture with differential inputs and operates on 1.8V analog and digital supply voltages. The device features an SNR of 84.8 dBFS and employs a serial interface for data output. Packaged in a 40-pin WQFN (5mm x 5mm) format, it supports an operating temperature range from -40°C to +105°C. Key performance metrics include a noise spectral density of -160dBFS/Hz and typical INL/DNL values of ±7LSB and ±0.7LSB respectively.

Analog To Digital Converters (ADC) Feature Summary

• Dual-channel 18-bit resolution with 65 MSPS sampling rate
• Low noise spectral density of -160dBFS/Hz
• Serial LVDS interface for reduced digital interconnects
• Integrated 32-bit NCO and optional digital down-conversion

Analog To Digital Converters (ADC) Applications

• Software-defined radio systems
• Instrumentation and test equipment
• Medical imaging systems
• Defense and aerospace radar applications

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'BT' against the official datasheet to confirm tape-and-reel packaging specifications and ensure compatibility with automated assembly processes. Confirm that the industrial temperature grade (-40°C to +105°C) meets the operational requirements of the target environment. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and traceability documentation.

Analog To Digital Converters (ADC) Selection Notes

Select this component when high dynamic range and low noise are critical for wideband signal acquisition. The 18-bit resolution and 65 MSPS speed make it suitable for direct RF sampling or intermediate frequency digitization. Consider the power consumption of 94mW per channel at full speed and verify that the system can accommodate the required external reference voltage and clocking infrastructure.

Analog To Digital Converters (ADC) Part Context

This device belongs to the ADC368x family of low-noise, ultra-low-power 18-bit 65MSPS high-speed dual-channel ADCs. The series offers pin-to-pin compatibility with other variants in the family, allowing for design flexibility across different resolution and speed requirements while maintaining consistent form factors and interface protocols.

Analog To Digital Converters (ADC) Replacement Considerations

Check for pin-compatible alternatives within the ADC368x family, such as the ADC3681 or ADC3682, which may offer different speed grades or resolutions. Verify that any substitute maintains the same 40-pin WQFN package dimensions and electrical characteristics to ensure seamless integration without PCB redesign.