The ICL7107CQH+D is a high-performance, low-power, 3.5 digit analog-to-digital converter (ADC) integrated circuit brought to you by Maxim Integrated. This precision instrument is designed to deliver a cost-effective solution for applications requiring digital readouts such as digital multimeters, temperature displays, and other consumer and industrial devices that require high accuracy digital processing.

Key Features

• High Integration: The ICL7107CQH+D integrates a seven segment decoder, a multiplex display driver, a voltage reference, and an analog-to-digital converter on a single chip, which simplifies design and reduces board space requirements.
• Display Flexibility: It can directly drive an LCD or LED display, with the ability to interface with up to 8 digits of seven segment displays.
• Low Power Consumption: Designed for battery-powered applications, the ICL7107CQH+D operates with a typical power consumption of less than 1mW.
• Auto-Zeroing Feature: It eliminates the need for external zero adjustments and ensures high accuracy.
• Polarity and Overrange Indication: Automatic indication of polarity and overrange status is provided, which enhances the user interface.
• Single or Dual Power Supply: It can operate from a single supply of 5V or a dual supply of ±5V, offering design flexibility.

Applications

The versatility of the ICL7107CQH+D makes it an excellent choice for a wide range of applications, including:

• Digital multimeters
• Panel meters
• Temperature meters
• Battery-operated systems
• Portable instrumentation

Technical Specifications

The ICL7107CQH+D operates with a clock frequency of 48kHz, and it has a typical dual slope conversion time of 200ms. The device offers a guaranteed zero reading for 0V input on all scales. Its operating temperature range is from 0°C to +70°C, making it reliable for use in various environments.

Maxim Integrated's commitment to quality and innovation ensures that the ICL7107CQH+D is a reliable choice for designers and engineers looking to integrate a high-quality ADC with display capabilities into their systems.