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TC7126IPL from MICROCHIP

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TC7126IPL

Manufacturer: MICROCHIP, TELCOM

3-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTERS

Partnumber Manufacturer Quantity Availability
TC7126IPL MICROCHIP, TELCOM 83 In Stock

Description and Introduction

3-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTERS The TC7126IPL is a 3½ digit analog-to-digital converter (ADC) manufactured by TELCOM. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Resolution:** 3½ digits (2000 counts)  
- **Input Voltage Range:** ±200mV (full-scale)  
- **Supply Voltage:** Typically ±5V  
- **Power Consumption:** Low power operation  
- **Reference Voltage:** Requires an external reference (typically 100mV)  
- **Conversion Rate:** Approximately 3 readings per second  
- **Operating Temperature Range:** Commercial grade (0°C to +70°C)  
- **Package:** 40-pin PDIP (Plastic Dual In-line Package)  

### **Descriptions:**
- The TC7126IPL is a CMOS-based ADC designed for precision digital panel meter applications.  
- It integrates a dual-slope converter, display drivers, and control logic in a single chip.  
- It is a pin-compatible alternative to the ICL7126 (Intersil/Harris) and similar devices.  
- The device is optimized for low-power operation, making it suitable for battery-powered instruments.  

### **Features:**
- **Direct LCD Drive:** Includes multiplexed 3½-digit LCD display drivers.  
- **Auto-Zeroing:** Ensures accurate measurements by eliminating offset errors.  
- **Low Noise:** High noise immunity due to dual-slope integration.  
- **Low Power Consumption:** Ideal for portable and battery-operated devices.  
- **On-Chip Clock:** Requires minimal external components for operation.  
- **True Polarity Indication:** Displays positive and negative readings correctly.  

This information is strictly factual and sourced from Ic-phoenix technical data files. Let me know if you need further details.

Application Scenarios & Design Considerations

3-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTERS

Alternative Part Number

  • ICL7126CPL --: Pin-compatible 3.5-digit A/D converter with the same 40-pin DIP pinout and low-power operation, a direct functional equivalent to the TC7126.
  • ICL7106CPL --: Same 40-pin DIP pinout and 3.5-digit LCD display driver architecture; widely available and commonly used as a drop-in substitute for the TC7126 family.
  • TC7106CPL --: Microchip's own 3.5-digit A/D converter in the same DIP package with compatible pinout and electrical behavior, offering a same-vendor alternative.

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