ADC3661IRSBR

Analog To Digital Converters (ADC) Overview

The ADC3661IRSBR is a dual-channel, 16-bit analog-to-digital converter from Texas Instruments. It operates at a fixed sampling rate of 10 MSPS with a noise spectral density of -158 dBFS/Hz. The device features a serial LVDS interface and supports both external and internal voltage references. Power consumption is 53 mW per channel at the specified speed. It utilizes a 40-pin WQFN package (5 mm × 5 mm) and functions within an industrial temperature range of –40°C to +105°C.

Analog To Digital Converters (ADC) Feature Summary

• Dual-channel architecture with 16-bit resolution and low-noise performance
• Serial LVDS digital interface supporting multiple lane configurations
• Integrated on-chip digital filter with decimation options
• Industrial temperature range operation with short latency

Analog To Digital Converters (ADC) Applications

• High-speed data acquisition systems
• Software defined radio infrastructure
• Industrial monitoring equipment
• Power quality analyzers
• Radar and sonar signal processing

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific ordering suffix IRSBR corresponds to the WQFN-40 package and industrial temperature grade. Confirm that the component matches the manufacturer's current datasheet revision SBAS991B. Ensure compatibility with required power supply voltages and reference configurations before integration into the design.

Analog To Digital Converters (ADC) Selection Notes

Select this component for applications requiring 16-bit resolution at 10 MSPS with low power consumption. Consider the ADC3662 or ADC3663 if higher sampling rates are needed. Evaluate the need for the integrated digital filter based on system decimation requirements. Verify interface compatibility with the host processor using the serial LVDS output.

Analog To Digital Converters (ADC) Part Context

The ADC3661 is part of the ADC366x family, which includes variants with different sampling speeds such as the ADC3662 (25 MSPS) and ADC3663 (65 MSPS). All devices in this series share pin compatibility and similar architectural features, allowing for flexible design scaling while maintaining consistent interface and performance characteristics across the product line.

Analog To Digital Converters (ADC) Replacement Considerations

Direct substitutes include ADC3662IRSBR and ADC3663IRSBR for higher speed requirements. For lower speed needs, verify availability of older generation parts. Ensure any replacement maintains the 16-bit resolution and WQFN-40 package footprint for board compatibility.

Analog To Digital Converters (ADC) FAQ

What is the latency of the ADC3661?

The latency is one clock cycle when using the 1-wire or 1/2-wire SLVDS interface modes.

Can the ADC3661 use an internal voltage reference?

Yes, the device supports both external and internal voltage reference options, configurable via the SPI interface.

What is the input bandwidth of the ADC3661?

The analog input bandwidth is 900 MHz at the -3 dB point.