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ICL7621BCPA from HARRIS,Intersil

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ICL7621BCPA

Manufacturer: HARRIS, HAR, INTERSIL

Dual/Quad, Low Power CMOS Operational Amplifiers

Partnumber Manufacturer Quantity Availability
ICL7621BCPA HARRIS, HAR, INTERSIL 341 In Stock

Description and Introduction

Dual/Quad, Low Power CMOS Operational Amplifiers The ICL7621BCPA is a precision operational amplifier manufactured by Harris Semiconductor (now part of Intersil/Renesas). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Manufacturer:**  
- **HAR** (Harris Semiconductor, now part of Renesas Electronics)  

### **Specifications:**  
- **Supply Voltage Range:** ±1V to ±8V (Dual Supply) or 2V to 16V (Single Supply)  
- **Low Input Bias Current:** 0.5 pA (typical)  
- **Low Input Offset Voltage:** 100 µV (typical)  
- **Low Input Offset Voltage Drift:** 1 µV/°C (typical)  
- **High Open-Loop Gain:** 120 dB (typical)  
- **Low Power Consumption:** 100 µA (typical per amplifier)  
- **Slew Rate:** 0.5 V/µs (typical)  
- **Gain Bandwidth Product:** 1 MHz (typical)  
- **Common-Mode Rejection Ratio (CMRR):** 90 dB (typical)  
- **Operating Temperature Range:** 0°C to +70°C (Commercial Grade)  
- **Package:** 8-Pin PDIP (Plastic Dual In-Line Package)  

### **Descriptions:**  
- The ICL7621BCPA is a precision, low-power CMOS operational amplifier designed for high-impedance sensor applications.  
- It features ultra-low input bias current, making it suitable for photodiode amplifiers, medical instrumentation, and data acquisition systems.  
- The device operates from a single or dual power supply with excellent DC performance.  

### **Features:**  
- **Ultra-Low Input Bias Current** (0.5 pA typical)  
- **Low Input Offset Voltage and Drift**  
- **Wide Supply Voltage Range** (2V to 16V single supply, ±1V to ±8V dual supply)  
- **Low Power Consumption** (100 µA per amplifier)  
- **High Input Impedance** (>10¹² Ω)  
- **Single or Dual Supply Operation**  
- **Available in 8-Pin PDIP Package**  

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

Application Scenarios & Design Considerations

Dual/Quad, Low Power CMOS Operational Amplifiers

Alternative Part Number

  • TLC271CP --: Low-power CMOS operational amplifier with similar supply range and pinout, widely available and a common drop-in for ICL7621 designs.
  • LMC662CN --: Dual CMOS op-amp with very low input bias current and low supply current, matching the key characteristics of the ICL7621 in DIP-8.
  • CA3260E --: CMOS operational amplifier with high input impedance and low power consumption, suitable as a functional replacement in legacy Harris/Intersil designs.
  • CA3240E --: Dual BiMOS operational amplifier with high input impedance and similar electrical characteristics, usable as an alternative when CMOS input performance is required.

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