ICL7109IPL+

Analog To Digital Converters (ADC) Overview

The ICL7109IPL+ is a monolithic 12-bit analog-to-digital converter manufactured by Analog Devices Inc./Maxim Integrated. It features a dual-slope integration architecture with differential input and parallel interface. The device operates on a single 5V supply, consuming 500 mW of power dissipation. It provides 30 samples per second conversion rate with an integral nonlinearity of +/- 1 counts. The component is housed in a 40-PDIP package and supports an external reference voltage of 204.8 mV. Operating temperatures range from -20°C to +85°C.

Analog To Digital Converters (ADC) Feature Summary

• Integrates a 14-bit latch and 14-bit tri-state output register for direct microprocessor connection without external latches
• Supports both direct and hook-up interfaces for flexible system integration
• Provides industrial standard data exchange mode suitable for remote data acquisition applications

Analog To Digital Converters (ADC) Applications

• Direct connection to microprocessors such as the 89C51 series
• Remote data recording systems requiring serial transmission compatibility
• Panel meters utilizing integrating ADC architectures

Analog To Digital Converters (ADC) Procurement Notes

Verify component authenticity through authorized distributors or manufacturer channels. Confirm RoHS compliance status and REACH material declarations prior to procurement. Ensure packaging integrity matches tube specifications. Validate part markings against official datasheet identifiers to prevent counterfeit substitution during sourcing.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a 12-bit resolution with parallel binary output is required. Verify that the application environment falls within the -20°C to +85°C operating temperature range. Ensure the design accommodates the 40-PDIP through-hole footprint. Confirm that the external reference voltage requirement aligns with the 204.8 mV specification for optimal performance.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ICL7109 series of integrating analog-to-digital converters. It serves as a high-precision solution for digital instrumentation where direct microprocessor interfacing is necessary. The device replaces older discrete solutions by combining the integrator, comparator, and logic control into a single chip.

Analog To Digital Converters (ADC) Replacement Considerations

ICL7109CPL+ is a verified substitute offering identical functionality in a commercial temperature grade variant.