LM12L458CIVF

ADCs/DACs - Special Purpose Overview

The LM12L458CIVF is a 12-bit plus sign Data Acquisition System (DAS) manufactured by National Semiconductor. It features an analog circuit with one functional unit housed in a 44-pin Plastic Quad Flat Package with J-leads (PQCC44). The device supports eight channels and operates within a supply voltage range of 3 V to 5.5 V, with a nominal rating of 5 V. It is designed for industrial temperature applications, functioning between -40°C and +85°C. The component includes self-calibration capabilities and utilizes a DSP interface.

ADCs/DACs - Special Purpose Feature Summary

• Integrates eight-channel data acquisition with 12-bit plus sign resolution
• Includes internal self-calibration mechanism for accuracy maintenance
• Supports digital signal processor (DSP) compatible interface

ADCs/DACs - Special Purpose Applications

• Industrial data acquisition systems
• Process control monitoring
• Instrumentation signal conditioning

ADCs/DACs - Special Purpose Procurement Notes

Verify the manufacturer marking matches National Semiconductor or Texas Instruments specifications. Confirm the package type is 44-LCC with J-leads. Check for RoHS compliance status as indicated in official documentation. Ensure the part number suffix corresponds to the correct tape and reel or tube packaging variant if applicable.

ADCs/DACs - Special Purpose Selection Notes

Select this component when an 8-channel, 12-bit resolution DAS is required. Consider the 44-pin LCC package constraints for PCB layout. Verify that the operating voltage range of 3V to 5.5V aligns with the system power supply. Ensure the industrial temperature range meets environmental requirements.

ADCs/DACs - Special Purpose Part Context

This part belongs to the LM1245x series of data acquisition systems. It is related to variants such as the LM12454 and LM12H458. The series provides specialized analog circuit solutions for high-precision signal acquisition tasks in demanding environments.

ADCs/DACs - Special Purpose Replacement Considerations

Check for direct pin-to-pin replacements within the LM1245x family. Verify compatibility with existing firmware or DSP interfaces. Confirm package dimensions match the current footprint.