CS5371-BSR

ADCs/DACs - Special Purpose Overview

The CS5371-BSR is a single-channel, fourth-order delta-sigma modulator manufactured by Cirrus Logic. Designed for geophysical and sonar applications, it operates with an external digital filter to form a high-resolution A/D measurement system. The device features a clock jitter-tolerant architecture and supports input voltage ranges up to 5 Vp-p (2.5 Vdiff). It offers high dynamic range performance, achieving 124 dB SNR at 411 Hz bandwidth, and low total harmonic distortion of -118 dB typical. Power consumption is rated at 25 mW per channel in normal mode.

ADCs/DACs - Special Purpose Feature Summary

• Fourth-order delta-sigma modulation architecture
• High dynamic range: 124 dB SNR @ 411 Hz bandwidth
• Low power consumption: 25 mW per channel (normal mode)
• Small footprint 24-pin SSOP package

ADCs/DACs - Special Purpose Applications

• Geophysical exploration systems
• Sonar signal processing
• High-resolution analog-to-digital measurement systems

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific suffix 'BSR' against official Cirrus Logic documentation to confirm tape-and-reel packaging status and exact temperature grade. Confirm current production status as older variants may be discontinued. Ensure compatibility with the required external digital filter, such as the CS5376, for full system functionality.

ADCs/DACs - Special Purpose Selection Notes

Select this component when a single-channel, high-dynamic-range modulator is required for sensor interfaces in harsh environments. Compare against the dual-channel CS5372 if multiple channels are needed. Verify that the external filter interface matches the system's digital processing requirements.

ADCs/DACs - Special Purpose Part Context

The CS5371 belongs to a family of low-power, high-performance modulators from Cirrus Logic. It is often paired with the CS5376 digital filter IC to create a complete data acquisition solution. Similar parts include the CS5371A and CS5372, which offer variations in pinout or channel count.

ADCs/DACs - Special Purpose Replacement Considerations

The CS5372 serves as a dual-channel alternative within the same family. The CS5371A is a related variant; verify pin compatibility and electrical specifications before substitution.