ADC3908D065IRSMR

Analog To Digital Converters (ADC) Overview

The ADC3908D065IRSMR is a dual-channel, 8-bit successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It operates at a sampling rate of 65 MSPS with an input bandwidth of 150 MHz (-3dB). The device features a single 1.8V analog supply and optional 3.3V digital I/O levels. Key electrical parameters include a typical signal-to-noise ratio (SNR) of 49.8 dBFS and a power consumption of 70 mW at full speed. It utilizes a parallel CMOS interface and includes an internal reference voltage.

Analog To Digital Converters (ADC) Feature Summary

• Dual-channel architecture with 8-bit resolution and 65 MSPS sampling rate
• Ultra-low latency of only one clock cycle for fast control loops
• Integrated input buffers supporting differential or single-ended inputs
• Low power consumption: 70 mW at 65 MSPS, scaling down to 56 mW at 25 MSPS

Analog To Digital Converters (ADC) Applications

• High-speed data acquisition systems requiring low latency
• Industrial process control and monitoring
• Test and measurement equipment
• Wireless infrastructure base stations

Analog To Digital Converters (ADC) Procurement Notes

Verify the suffix IRSMR confirms the industrial temperature range (-40°C to +105°C) and VQFN-32 package configuration. Confirm that the specific revision matches the required pinout and electrical characteristics from the official datasheet before integration.

Analog To Digital Converters (ADC) Selection Notes

Select this model when dual-channel conversion is required at 65 MSPS. Compare against ADC3908D125 for higher speed or ADC3908D025 for lower power applications. Ensure the system supports the parallel CMOS interface and provides the necessary 1.25V common-mode input voltage externally.

Analog To Digital Converters (ADC) Part Context

This component belongs to the ADC3908 family, which offers pin-compatible options in 8-bit and 10-bit resolutions across various speed grades (25, 65, and 125 MSPS). The family shares a common 32-pin VQFN footprint and core architecture, simplifying design upgrades within the same product line.

Analog To Digital Converters (ADC) Replacement Considerations

Pin-compatible alternatives within the same family include ADC3908D025 (25 MSPS), ADC3908D125 (125 MSPS), and their single-channel counterparts ADC3908Sx. Verify interface compatibility and thermal performance when substituting.