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ICL7109IJL from INTERSIL

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ICL7109IJL

Manufacturer: INTERSIL, MAXIN, MAX

12-Bit/ Microprocessor- Compatible A/D Converter

Partnumber Manufacturer Quantity Availability
ICL7109IJL INTERSIL, MAXIN, MAX 307 In Stock

Description and Introduction

12-Bit/ Microprocessor- Compatible A/D Converter The ICL7109IJL is a high-performance, low-power, 3.5-digit analog-to-digital converter (ADC) manufactured by Maxim Integrated (MAXIM). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Resolution:** 12-bit (3.5-digit)  
- **Input Type:** Differential  
- **Supply Voltage:** Typically ±5V  
- **Power Consumption:** Low power (suitable for battery-operated devices)  
- **Conversion Rate:** Programmable (typically up to 30 samples per second)  
- **Reference Voltage:** External or internal options  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  
- **Package:** 40-pin DIP (Dual In-line Package)  

### **Descriptions:**  
- The ICL7109IJL is a precision ADC designed for applications requiring high accuracy and low noise.  
- It includes an onboard oscillator, eliminating the need for external clock components.  
- The device supports both auto-zero and auto-polarity functions for improved accuracy.  
- It is commonly used in digital panel meters, data acquisition systems, and industrial instrumentation.  

### **Features:**  
- **True Differential Input:** Reduces noise and improves accuracy.  
- **Low Power Consumption:** Ideal for portable and battery-powered applications.  
- **On-Chip Oscillator:** Simplifies design by eliminating external timing components.  
- **Auto-Zero and Auto-Polarity:** Ensures high precision across input ranges.  
- **Serial and Parallel Output Options:** Flexible interface for microcontrollers or displays.  
- **High Noise Immunity:** Suitable for industrial environments.  

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

Application Scenarios & Design Considerations

12-Bit/ Microprocessor- Compatible A/D Converter

Alternative Part Number

  • TC7109CPL --: Pin-compatible 12-bit integrating ADC from Microchip's TC7109 series, functionally equivalent to the ICL7109 and widely available in PDIP.
  • AD7109JN --: Alternative 12-bit integrating analog-to-digital converter with similar architecture and DIP package, suitable as a functional replacement.
  • MAX130CPL --: 12-bit integrating ADC in a comparable DIP package offering similar resolution and conversion characteristics for this application.
  • ICL7109CPL --: Same 7109-series 12-bit ADC from an alternate vendor in a plastic DIP package, offering equivalent performance and pinout.

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