The ICL7116CPL+ is a high-performance, low-power, 3½ digit A/D converter from Maxim Integrated that is designed to provide precise digital data representation of analog signals. This integrated circuit is particularly suitable for applications that require accurate measurement and display of numerical data, such as digital multimeters, temperature measurement devices, and other instrumentation tools.

Key Features

• High Integration: The ICL7116CPL+ integrates a seven segment decoder, display drivers, a reference, and a clock all into one chip, simplifying design and reducing board space requirements.
• True Differential Inputs: It features true differential inputs and reference, which are critical for noise rejection and accurate measurements.
• Auto-Zero: The auto-zero feature ensures that the zero reading is maintained, eliminating the need for external zero adjustments.
• Low Power Consumption: Designed for battery-powered applications, the ICL7116CPL+ consumes very low power, which extends the life of portable devices.
• Built-in Display Hold: This function allows the user to freeze the display reading, which is useful for capturing transient events.

Technical Specifications

• Resolution: 3½ digits with a maximum reading of 1999.
• Input Voltage Range: Typically 0V to 2V for full-scale reading, with the ability to measure both positive and negative voltages.
• Package: The ICL7116CPL+ is available in a 40-pin PDIP package, suitable for through-hole mounting.

Applications

The ICL7116CPL+ is ideal for a wide range of applications that require precise and reliable digital representation of analog values. Its robust feature set makes it an excellent choice for:

• Digital multimeters and voltmeters
• Portable instrumentation
• Process control systems
• Data acquisition systems
• Battery-operated equipment

Overall, the ICL7116CPL+ from Maxim Integrated is a versatile and reliable choice for designers who need a high-quality A/D converter for their precision measurement applications.