LTC2328IMS-16#PBF

Analog To Digital Converters (ADC) Overview

The LTC2328IMS-16#PBF is a 16-bit successive approximation register (SAR) analog-to-digital converter with pseudo-differential inputs. It operates from a single 5V supply and supports true bipolar input ranges of ±6.25V, ±10.24V, or ±12.5V. The device achieves a maximum integral nonlinearity (INL) of ±1.5 LSB with guaranteed 16-bit no missing codes. Key performance metrics include a typical signal-to-noise ratio (SNR) of 93.5 dB and total harmonic distortion (THD) of –111 dB at a 2 kHz input frequency. It features an internal 2.048V reference, SPI-compatible serial interface, and dissipates 50 mW at 1 Msps sampling rate.

Analog To Digital Converters (ADC) Feature Summary

• 16-bit resolution with 1 Msps throughput and no pipeline delay
• True bipolar input ranges: ±6.25V, ±10.24V, ±12.5V
• Internal low drift (20ppm/°C max) 2.048V temperature-compensated reference
• SPI-compatible serial I/O supporting 1.8V to 5V logic levels

Analog To Digital Converters (ADC) Applications

• Programmable Logic Controllers
• Industrial Process Control
• High Speed Data Acquisition
• Portable or Compact Instrumentation
• Automated Test Equipment (ATE)

Analog To Digital Converters (ADC) Procurement Notes

Verify the IMS suffix indicates the industrial temperature range (-40°C to 85°C). Confirm the #PBF designation ensures lead-free finish and RoHS compliance. Check for availability in tube packaging as standard; tape and reel options use the #TRPBF suffix. Ensure the host system voltage matches the OVDD requirements for the digital interface.

Analog To Digital Converters (ADC) Selection Notes

Select this component for applications requiring high dynamic range with a single 5V supply. The pseudo-differential input architecture reduces common-mode noise. Consider the internal reference buffer capabilities if external precision references are not used. Verify that the 7 MHz input bandwidth meets the signal frequency requirements. Ensure the power dissipation of 50 mW fits within the thermal constraints of the MSOP package.

Analog To Digital Converters (ADC) Part Context

This part belongs to the LTC2328-16 family, which includes variants with different temperature grades. The IMS variant specifically covers the industrial range. Other family members include CMS (commercial) and HMS (extended/high temperature) versions. All share identical electrical specifications but differ in operating temperature limits and package marking.

Analog To Digital Converters (ADC) Replacement Considerations

Direct replacements within the same family include LTC2328CMS-16#PBF for commercial temperature ranges and LTC2328HMS-16#PBF for extended temperature ranges up to 125°C. These parts maintain pin compatibility and electrical performance while differing only in temperature specifications.