The ICL7107CMH+ is a high-performance, low-power, 3.5 digit analog-to-digital converter (ADC) with a built-in 7-segment decoder, display drivers, a reference, and a clock. Manufactured by Maxim Integrated, this integrated circuit (IC) is designed to interface with a liquid crystal display (LCD) and is capable of direct driving a multiplexed 7-segment display with minimal external components. It is ideal for battery-operated applications due to its low power consumption.
Key Features
- Simple Single Chip Display Interface
- Low Power Design: Ideal for Battery-Operated Systems
- High Impedance Differential Inputs
- Integrated Oscillator to Reduce External Components
- True Differential Inputs and Reference for High Noise Immunity
Applications
The versatility of the ICL7107CMH+ makes it suitable for a wide range of applications. It is commonly used in digital voltmeters, temperature meters, frequency counters, and other measurement tools that require a digital readout. Its low power consumption and high integration make it particularly well-suited for portable, battery-operated devices where power efficiency is critical.
Performance Specifications
The device features a guaranteed zero reading for 0V input on all scales, ensuring accuracy and reliability. It also boasts a high input impedance of 1 GΩ, which minimizes loading on the measured circuit. The ICL7107CMH+ operates on a single power supply ranging from +5V to +6V and includes an auto-zero function to eliminate offset voltage errors.
Package and Availability
The ICL7107CMH+ is offered in a 44-lead MQFP (Metric Quad Flat Pack) package, which is both compact and suitable for space-constrained applications. Maxim Integrated provides detailed datasheets and application notes to support the integration of this IC into your designs. For pricing, availability, and ordering information, please contact Maxim Integrated or an authorized distributor.
Conclusion
Maxim Integrated's ICL7107CMH+ is a highly integrated, versatile, and energy-efficient solution for adding a digital display to a wide array of electronic devices. Its ease of use, coupled with its high performance, makes it an excellent choice for designers looking to enhance their products with reliable and accurate digital readouts.