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ICL7621BESA

Manufacturer: MAXIM

Single/Dual/Triple/Quad Operational Amplifiers

Partnumber Manufacturer Quantity Availability
ICL7621BESA MAXIM 113 In Stock

Description and Introduction

Single/Dual/Triple/Quad Operational Amplifiers The ICL7621BESA is a dual operational amplifier (op-amp) manufactured by Intersil (now Renesas Electronics). Below are its key specifications, descriptions, and features based on factual data:

### **Manufacturer Specifications:**
- **Supply Voltage Range:** ±1V to ±8V (Dual Supply), 2V to 16V (Single Supply)  
- **Input Offset Voltage:** 0.5mV (Typical), 2.5mV (Maximum)  
- **Input Bias Current:** 0.5pA (Typical)  
- **Input Offset Current:** 0.5pA (Typical)  
- **Common Mode Rejection Ratio (CMRR):** 90dB (Typical)  
- **Power Supply Rejection Ratio (PSRR):** 90dB (Typical)  
- **Gain Bandwidth Product (GBW):** 1MHz (Typical)  
- **Slew Rate:** 1.6V/µs (Typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  

### **Descriptions:**
- The ICL7621BESA is a low-power, high-performance CMOS dual operational amplifier.  
- It is designed for precision analog applications requiring low power consumption and high input impedance.  
- Suitable for battery-powered devices, portable instruments, and signal conditioning circuits.  

### **Features:**
- **Ultra-Low Power Consumption:** Typically 10µA per amplifier.  
- **High Input Impedance:** CMOS input stage with very low input bias current.  
- **Rail-to-Rail Output Swing:** Allows operation near supply rails.  
- **Single or Dual Supply Operation:** Flexible power supply options.  
- **Low Input Offset Voltage:** Ensures accuracy in precision applications.  
- **ESD Protection:** Built-in electrostatic discharge protection.  

This information is based on the manufacturer's datasheet for the ICL7621BESA.

Application Scenarios & Design Considerations

Single/Dual/Triple/Quad Operational Amplifiers

Alternative Part Number

  • TLC271BCP --: Low-power CMOS op-amp with similar input bias current and supply range, widely available and pin-compatible in many designs.
  • LMC662CN --: Dual CMOS op-amp with very low input bias current and rail-to-rail output, suitable replacement for low-power instrumentation circuits.
  • CA3140E --: BiMOS op-amp with high input impedance and low input current, commonly used as an alternative in high-impedance amplifier applications.
  • LMC662AIN --: Dual low-power CMOS op-amp with comparable input bias current and rail-to-rail output, suitable replacement for low-power instrumentation circuits.
  • OPA2341UA --: Low-power CMOS operational amplifier offering similar quiescent current and bandwidth, usable in place of the ICL7621 in many signal-conditioning applications.

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