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ICL7136CM44 from INT

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15.625ms

ICL7136CM44

Manufacturer: INT

31/2 Digit LCD/LED/ Low Power Display/ A/D Converters with Overrange Recovery

Partnumber Manufacturer Quantity Availability
ICL7136CM44 INT 18 In Stock

Description and Introduction

31/2 Digit LCD/LED/ Low Power Display/ A/D Converters with Overrange Recovery The **ICL7136CM44** is a **3½ digit analog-to-digital converter (ADC)** manufactured by **Intersil (now Renesas Electronics)**. It is designed for **low-power applications**, particularly in **digital panel meters** and **portable instrumentation**.  

### **Key Specifications:**  
- **Resolution:** 3½ digits (±1999 counts)  
- **Input Type:** Differential  
- **Supply Voltage:** Typically **±5V** (dual supply) or **+9V** (single supply)  
- **Power Consumption:** **Low power** (suitable for battery-operated devices)  
- **Conversion Rate:** **1 to 3 conversions per second**  
- **Auto-Zeroing:** Yes (minimizes offset errors)  
- **Overrange Capability:** Up to **±3999 counts** for short durations  
- **Reference Voltage:** External (user-configurable)  
- **Package:** **44-pin PLCC (Plastic Leaded Chip Carrier)**  

### **Features:**  
- **Direct LCD Drive** (for interfacing with LCD displays)  
- **True Differential Input and Reference**  
- **Auto-Polarity and Auto-Zeroing** for improved accuracy  
- **Low Noise Input Amplifier**  
- **On-Chip Clock Oscillator** (requires minimal external components)  
- **High Input Impedance** (>10⁹ Ω)  
- **Low Battery Detection Support**  

### **Applications:**  
- Digital multimeters (DMMs)  
- Battery-powered instruments  
- Process control systems  
- Portable measurement devices  

This IC is a **low-power variant** of the **ICL7135**, optimized for **LCD-based displays** and **energy-efficient designs**.

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