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ICL7109MDL from HAR

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7.813ms

ICL7109MDL

Manufacturer: HAR

12-Bit/ Microprocessor- Compatible A/D Converter

Partnumber Manufacturer Quantity Availability
ICL7109MDL HAR 400 In Stock

Description and Introduction

12-Bit/ Microprocessor- Compatible A/D Converter The ICL7109MDL is a precision analog-to-digital converter (ADC) manufactured by **Harris Semiconductor** (now part of **Microchip Technology**).  

### **Key Specifications:**  
- **Resolution:** 12-bit  
- **Conversion Method:** Dual-slope integrating ADC  
- **Input Voltage Range:** ±2V (bipolar) or 0V to +4V (unipolar)  
- **Reference Voltage:** Internal or external (typically 2.8V)  
- **Clock Frequency:** Up to 120 kHz (external oscillator)  
- **Supply Voltage:** ±5V (dual supply)  
- **Operating Temperature Range:** 0°C to +70°C (commercial grade)  
- **Package:** 40-pin DIP (Dual In-line Package)  

### **Descriptions & Features:**  
- **High Accuracy:** Provides 12-bit resolution with low noise and excellent linearity.  
- **Dual-Slope Conversion:** Ensures high noise rejection and stable performance.  
- **Multiplexed BCD Output:** Facilitates easy interfacing with microcontrollers or displays.  
- **Low Power Consumption:** Suitable for battery-powered applications.  
- **Auto-Zero & Polarity Detection:** Enhances measurement precision.  
- **On-Chip Reference:** Includes a stable 2.8V reference for simplified design.  

This ADC is commonly used in **digital multimeters, instrumentation, and industrial control systems** due to its precision and reliability.

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