The TC7106IPL from Microchip Technology is a highly integrated 3½ digit Analog-to-Digital Converter (ADC) that combines precision analog components with digital logic to offer a complete, compact solution for analog data display. This innovative device is designed to interface directly with a liquid crystal display (LCD), making it an ideal choice for applications requiring a high-resolution readout such as handheld meters, multimeters, and other instrumentation devices.
Key Features
- High Integration: Integrates on-chip: a seven-segment decoder, display drivers, a reference, and a clock.
- Low Power: Designed for battery-operated equipment with a typical power consumption of only 10μW.
- Direct LCD Drive: Capable of driving a 3½ digit, 7-segment, liquid crystal display without requiring additional drivers.
- Auto-Zero: Ensures zero reading for 0 volts input.
- True Differential Input and Reference: Ideal for ratiometric measurements, such as battery-powered scales and other portable applications.
- Polarity and Overrange Indication: Provides visual feedback for signal polarity and measurement range exceedance.
- Internal Oscillator: No external clock is necessary; simplifies design and reduces component count.
Applications
The TC7106IPL's versatility makes it suitable for a wide range of applications, including:
- Portable Instrumentation
- Digital Multimeters
- Thermometers
- Blood Pressure Monitors
- Battery-powered Systems
Technical Specifications
Parameter
Value
Resolution
3½ Digit
Display Type
Liquid Crystal Display (LCD)
Supply Voltage
9V
Operating Temperature
0°C to +70°C
For designers seeking a reliable, easy-to-use ADC with a built-in LCD driver, the TC7106IPL offers a cost-effective solution that simplifies the design process and speeds up time-to-market. Its precision and low power consumption make it an excellent choice for a variety of applications that require accurate and clear data display.
