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ICL7621DESA from ICL

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ICL7621DESA

Manufacturer: ICL, INTERSIL, MAXIM, MAXIM

Single/Dual/Triple/Quad Operational Amplifiers

Partnumber Manufacturer Quantity Availability
ICL7621DESA ICL, INTERSIL, MAXIM, MAXIM 1778 In Stock

Description and Introduction

Single/Dual/Triple/Quad Operational Amplifiers The ICL7621DESA is a precision operational amplifier manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Supply Voltage Range:** ±1V to ±8V  
- **Input Offset Voltage:** Typically 100µV (max 500µV)  
- **Input Bias Current:** Typically 0.5pA  
- **Gain Bandwidth Product:** 1MHz  
- **Slew Rate:** 0.7V/µs  
- **Common Mode Rejection Ratio (CMRR):** 90dB (min)  
- **Power Supply Rejection Ratio (PSRR):** 90dB (min)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC (DESA suffix)  

### **Descriptions:**  
The ICL7621DESA is a low-power, precision CMOS operational amplifier designed for applications requiring high input impedance and low noise. It is suitable for battery-powered and portable devices due to its low power consumption.  

### **Features:**  
- **Ultra-Low Input Bias Current:** 0.5pA (typical)  
- **Low Input Offset Voltage:** 100µV (typical)  
- **Single or Dual Supply Operation:** ±1V to ±8V or 2V to 16V  
- **Low Power Consumption:** 170µA per amplifier (typical)  
- **High Input Impedance:** >10¹²Ω  
- **CMOS Technology:** Ensures low noise and high precision  
- **Rail-to-Rail Output Swing:** Near-supply voltage operation  

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

Application Scenarios & Design Considerations

Single/Dual/Triple/Quad Operational Amplifiers

Alternative Part Number

  • TLC271BCPA --: Low-power CMOS operational amplifier with similar supply current and bandwidth, widely available and pin-compatible in PDIP packages.
  • LMC6462AIN --: Micropower CMOS op-amp with rail-to-rail input/output, suitable replacement for low-power ICL76xx applications.
  • OPA2341UA --: Low-power CMOS operational amplifier offering comparable performance and a different series naming for easy distinction.
  • TLC271CP --: Low-power CMOS operational amplifier with similar supply current and bandwidth, widely available and pin-compatible in standard DIP packages.
  • LMC662CN --: Dual low-power CMOS op-amp with comparable input bias current and supply range, suitable drop-in replacement in many ICL7621 applications.
  • CA3140E --: High-input-impedance BiMOS op-amp offering similar functionality and supply voltage range, commonly used as an alternative to Intersil CMOS op-amps.
  • TLC271CDR --: Low-power CMOS operational amplifier with similar supply range and pinout, widely available and cost-effective drop-in replacement.
  • TLC271BCP --: Low-power CMOS operational amplifier with similar input characteristics and supply range, widely available and pin-compatible in many designs.

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