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ICL7107 from ICL

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ICL7107

Manufacturer: ICL

3-1/2 Digit LCD/LED Display, A/D Converter

Partnumber Manufacturer Quantity Availability
ICL7107 ICL 4500 In Stock

Description and Introduction

3-1/2 Digit LCD/LED Display, A/D Converter The ICL7107 is a 3½ digit analog-to-digital converter (ADC) manufactured by Intersil (now Renesas Electronics).  

### **Key Specifications:**  
- **Resolution:** 3½ digits (2000 counts)  
- **Display Type:** Directly drives 7-segment LED displays (common anode)  
- **Input Voltage Range:** ±200mV or ±2V (user-selectable)  
- **Reference Voltage:** Internal or external (typically 1V for 2V range, 100mV for 200mV range)  
- **Conversion Rate:** ~3 readings per second  
- **Power Supply:** Single +5V supply (typically)  
- **Operating Temperature Range:** 0°C to +70°C (commercial grade)  
- **Package:** 40-pin DIP (Dual In-line Package)  

### **Descriptions & Features:**  
- **Integrated ADC & Display Driver:** Combines a precision ADC with LED display drivers, eliminating the need for external decoding logic.  
- **Auto-Zeroing:** Minimizes offset errors for accurate readings.  
- **Low Power Consumption:** Suitable for battery-powered applications.  
- **True Polarity Indication:** Displays positive and negative readings correctly.  
- **Overrange Indication:** Displays "1" or "-1" when input exceeds full scale.  
- **No External Active Components Required:** Simplifies circuit design.  

### **Common Applications:**  
- Digital panel meters  
- Digital multimeters  
- Process control instruments  
- Portable measurement devices  

The ICL7107 is widely used in low-cost, high-precision measurement systems due to its simplicity and reliability.

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