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TC7106ACPL

3-1/2 Digit Analog-to-Digital Converters

Partnumber Manufacturer Quantity Availability
TC7106ACPL 110 In Stock

Description and Introduction

3-1/2 Digit Analog-to-Digital Converters The TC7106ACPL is a 3½ digit analog-to-digital converter (ADC) manufactured by Microchip Technology.  

### **Key Specifications:**  
- **Resolution:** 3½ digits (2000 counts)  
- **Input Type:** Differential  
- **Supply Voltage:** Typically ±5V (dual supply) or +5V (single supply)  
- **Reference Voltage:** Internal or external (adjustable)  
- **Display Driver:** Directly drives LCD displays  
- **Conversion Rate:** ~3 conversions per second  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 40-pin PDIP (Plastic Dual In-line Package)  

### **Description:**  
The TC7106ACPL is a CMOS-based ADC designed for precision measurement applications, commonly used in digital panel meters and instrumentation. It integrates a 7-segment decoder, display drivers, and a reference voltage source, reducing the need for external components.  

### **Features:**  
- **Low Power Consumption:** Suitable for battery-powered devices.  
- **Auto-Zero Function:** Minimizes offset errors.  
- **True Polarity Indication:** Displays positive and negative readings.  
- **On-Chip Clock Oscillator:** Requires minimal external components.  
- **High Input Impedance:** Reduces loading effects on measured signals.  

This IC is widely used in digital multimeters, temperature monitors, and other measurement systems requiring accurate analog-to-digital conversion.

Application Scenarios & Design Considerations

3-1/2 Digit Analog-to-Digital Converters

Alternative Part Number

  • ICL7106CPL --: Pin-compatible 3.5-digit LCD A/D converter from the original ICL7106 family that the TC7106 was designed to second-source; same DIP-40 pinout and function.
  • ICL7106CPLZ --: Renesas (formerly Intersil) lead-free version of the ICL7106, direct functional and pin-compatible replacement for the TC7106ACPL in LCD panel meter designs.
  • HTC7106APL --: Alternative 3.5-digit LCD A/D converter with the same DIP-40 pinout and comparable accuracy, offered as a lower-cost cross for the TC7106 series.

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