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ICL7107CPLZ from INTERSIL

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ICL7107CPLZ

Manufacturer: INTERSIL, ITS

3 1/2 Digit, LCD/LED Display, A/D Converters

Partnumber Manufacturer Quantity Availability
ICL7107CPLZ INTERSIL, ITS 14793 In Stock

Description and Introduction

3 1/2 Digit, LCD/LED Display, A/D Converters The ICL7107CPLZ is a 3½ digit analog-to-digital converter (ADC) manufactured by **INTERSIL** (now part of Renesas Electronics). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Resolution:** 3½ digits (2000 counts)  
- **Input Voltage Range:** ±200mV or ±2V (user-selectable)  
- **Reference Voltage:** Internal or external (adjustable)  
- **Conversion Rate:** 3 readings per second (typical)  
- **Power Supply:** Single +5V supply (typical)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 40-pin PDIP (Plastic Dual In-line Package)  
- **Display Drive:** Directly drives 7-segment LED displays (common anode)  
- **Low Power Consumption:** Typically 10mW  

### **Descriptions:**  
- The ICL7107CPLZ is a **high-precision ADC** designed for **digital panel meter applications**.  
- It includes **auto-zeroing**, **polarity detection**, and **7-segment decoder/driver circuitry** for LED displays.  
- It is optimized for **low-noise** and **high-accuracy** measurements.  

### **Features:**  
- **No external active components** required for basic operation.  
- **True differential input** with high input impedance.  
- **On-chip voltage reference** (typical 2.8V).  
- **Overrange and underrange indication**.  
- **Low noise** (typically 15µV peak-to-peak).  
- **Direct LED display drive** (no external drivers needed).  

This information is based on the datasheet from **INTERSIL**. For detailed electrical characteristics and application circuits, refer to the official documentation.

Application Scenarios & Design Considerations

3 1/2 Digit, LCD/LED Display, A/D Converters

Alternative Part Number

  • TC7107CPL --: Direct pin-compatible 3.5-digit A/D converter with LED display drivers, functionally equivalent to the ICL7107 and widely available.
  • ICL7107CM44 --: Same ICL7107 core from the successor of Intersil, offering equivalent electrical performance in a compatible package.
  • MAX130CPL --: Similar 3.5-digit ADC with LED display drive capability, usable as a functional substitute with minor circuit adjustments.
  • ICL7107CPL --: Original Intersil design now produced by Renesas; same 3.5-digit ADC with LED drivers and identical pinout, widely available as a drop-in replacement.
  • TC7107ACPL --: Improved-accuracy variant of the TC7107 family with the same pinout and function, suitable when slightly better linearity is acceptable.

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