LTC1598LIG

Analog To Digital Converters (ADC) Overview

The LTC1598LIG is a micropower, 12-bit successive approximation analog-to-digital converter (ADC) featuring an 8-channel multiplexer. It operates on a single 3V supply and supports sampling rates up to 10.5ksps. The device integrates a sample-and-hold circuit, 12-bit ADC core, and serial interface within a 24-lead SSOP package. Key electrical characteristics include a typical current consumption of 160μA at full conversion rate and 20μA at 1ksps. It guarantees no missing codes over temperature and offers ±3/4LSB differential nonlinearity.

Analog To Digital Converters (ADC) Feature Summary

• 12-bit resolution with 8-channel analog input multiplexer
• Single 3V supply operation (tested down to 2.7V)
• Micropower consumption: 160μA typical at max speed, 20μA at 1ksps
• Serial I/O compatible with SPI, QSPI, and Microwire standards

Analog To Digital Converters (ADC) Applications

• Battery-powered portable test equipment
• Remote data logging systems
• Pen plotter position monitoring
• Low-power industrial process control

Analog To Digital Converters (ADC) Procurement Notes

Verify the suffix 'IG' indicates the Industrial temperature range (-40°C to +85°C) and lead-free tin finish. Confirm the package type is 24-lead SSOP. Check for RoHS compliance status as older Linear Technology parts may have varying environmental declarations depending on the specific manufacturing batch date code.

Analog To Digital Converters (ADC) Selection Notes

Select the LTC1598LIG when eight analog channels are required in a space-constrained design. Choose this model over the LTC1594L if channel count exceeds four. Ensure the system voltage remains within the 2.7V to 3.3V range. Consider the LTC1598CG if industrial temperature range performance is not required and cost optimization is prioritized.

Analog To Digital Converters (ADC) Part Context

The LTC1598LIG belongs to the LTC1594/LTC1598 family of micropower ADCs from Linear Technology (now Analog Devices). This series distinguishes itself by combining low power consumption with high DC accuracy in small packages. The 'L' variant specifically targets 3V applications, contrasting with the standard 5V LTC1598 series.

Analog To Digital Converters (ADC) Replacement Considerations

The LTC1598CG#PBF serves as a commercial grade alternative with identical pinout and functionality but different temperature specifications. The LTC1598LCG#TRPBF is the tape-and-reel version of the commercial grade part. Direct functional replacements require matching the 12-bit resolution, 8-channel multiplexer, and 3V supply requirement.