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ICL7129CPL

41/2 Digit LCD/ Single-Chip A/D Converter

Partnumber Manufacturer Quantity Availability
ICL7129CPL 239 In Stock

Description and Introduction

41/2 Digit LCD/ Single-Chip A/D Converter The ICL7129CPL is a 4.5-digit analog-to-digital converter (ADC) manufactured by Intersil (now part of Renesas Electronics). Below are its key specifications, descriptions, and features:  

### **Manufacturer:**  
- **Intersil (now Renesas Electronics)**  

### **Specifications:**  
- **Resolution:** 4.5 digits (up to 20,000 counts)  
- **Input Type:** Differential  
- **Supply Voltage:** ±5V (dual supply)  
- **Reference Voltage:** Internal or external (adjustable)  
- **Conversion Rate:** ~3 readings per second  
- **Display Driver:** Directly drives LCD displays  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 40-pin PDIP (Plastic Dual In-Line Package)  

### **Descriptions:**  
- The ICL7129CPL is a high-precision, low-power ADC designed for digital panel meters and instrumentation.  
- It includes an auto-zero function to minimize offset errors and features a multiplexed BCD output for interfacing with microcontrollers or display drivers.  
- The device supports true differential inputs, making it suitable for applications requiring high noise rejection.  

### **Features:**  
- **Low Power Consumption:** Optimized for battery-powered applications.  
- **Auto-Polarity:** Automatically detects and displays positive or negative input voltages.  
- **Auto-Zeroing:** Eliminates offset voltage errors.  
- **High Input Impedance:** Reduces loading effects on measured signals.  
- **On-Chip Reference:** Includes a stable voltage reference (adjustable via external components).  
- **LCD Drive Capability:** Directly interfaces with LCD displays without additional drivers.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

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