ICL7106 3½-Digit A/D Converter IC for LCD Displays
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Prices updated: 13 Oct 2026
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About this product
A 3½-digit analog-to-digital converter with built-in seven-segment decoders, display drivers, a voltage reference and a clock. It drives a multiplexed LCD backplane directly, making it useful for digital panel meters, voltmeters and measurement projects.
Specifications
- Resolution
- 3½ digits (±1999 counts)
- Display drive
- LCD with multiplexed backplane
- Integrated functions
- Seven-segment decoders, display drivers, reference, clock
- Package
- 40-pin DIP
Frequently asked questions
What supply voltage does it use?
It is typically powered from a single 9 V battery or a split ±5 V supply, as described in the Intersil datasheet. Check the datasheet before designing the power section.
Can I use it with an LED display?
Not directly. The ICL7106 is made for LCD displays with a backplane. For LED displays, use the ICL7107, which drives them directly.
