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ICL7631 from TOS,TOSHIBA

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ICL7631

Manufacturer: TOS, ICL

Low-Power Industry-Standard Op Amps

Partnumber Manufacturer Quantity Availability
ICL7631 TOS, ICL 2010 In Stock

Description and Introduction

Low-Power Industry-Standard Op Amps The ICL7631 is a precision operational amplifier (op-amp) manufactured by Intersil (now part of Renesas Electronics). Below are the factual details about the ICL7631:

### **Specifications:**
1. **Supply Voltage Range:**  
   - Single Supply: +3V to +12V  
   - Dual Supply: ±1.5V to ±6V  

2. **Input Offset Voltage:**  
   - Typically 0.5mV (max 2mV)  

3. **Input Bias Current:**  
   - Typically 1nA  

4. **Input Offset Current:**  
   - Typically 0.5nA  

5. **Common-Mode Rejection Ratio (CMRR):**  
   - Typically 90dB  

6. **Power Supply Rejection Ratio (PSRR):**  
   - Typically 90dB  

7. **Gain Bandwidth Product:**  
   - 1MHz  

8. **Slew Rate:**  
   - 0.5V/µs  

9. **Output Voltage Swing:**  
   - Close to rail-to-rail (within a few millivolts of supply rails)  

10. **Operating Temperature Range:**  
    - Commercial Grade: 0°C to +70°C  
    - Industrial Grade: -25°C to +85°C  

11. **Package Options:**  
    - 8-Pin DIP (Dual Inline Package)  
    - 8-Pin SOIC (Small Outline Integrated Circuit)  

### **Descriptions and Features:**
- The ICL7631 is a low-power, precision CMOS operational amplifier.  
- It is designed for applications requiring high input impedance and low power consumption.  
- Features ultra-low input bias and offset currents, making it suitable for high-impedance sensor interfaces.  
- Provides rail-to-rail output swing, enhancing dynamic range in single-supply applications.  
- Exhibits excellent DC precision with low offset voltage and drift.  
- Suitable for battery-powered and portable electronics due to low quiescent current.  
- Commonly used in signal conditioning, medical instrumentation, and data acquisition systems.  

These details are based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Low-Power Industry-Standard Op Amps

Alternative Part Number

  • MAX406 --: Single/dual/quad op-amp family with similar low-power CMOS input characteristics and pin-compatible options for many ICL7631 applications.
  • LMC6462 --: Low-power CMOS operational amplifier with rail-to-rail input/output, suitable replacement for low-bias-current ICL7631 circuits.
  • TLV2462 --: Low-power rail-to-rail op-amp with comparable supply range and input bias current, usable in most ICL7631 signal-conditioning designs.
  • TL061 --: Low-power JFET-input op-amp with comparable input bias current and supply range, a common substitute for ICL7631 in low-power signal conditioning.
  • LF351 --: JFET-input op-amp with similar bandwidth and input characteristics, readily available and often used where ICL7631 is specified.

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