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TL084I from ST,ST Microelectronics

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TL084I

Manufacturer: ST, TI

GENERAL PURPOSE J-FET QUAD OPERATIONAL AMPLIFIERS

Partnumber Manufacturer Quantity Availability
TL084I ST, TI 1068 In Stock

Description and Introduction

GENERAL PURPOSE J-FET QUAD OPERATIONAL AMPLIFIERS The TL084I is a JFET-input operational amplifier manufactured by STMicroelectronics (ST). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Supply Voltage Range:** ±5V to ±18V  
- **Input Offset Voltage:** 3 mV (typical)  
- **Input Bias Current:** 30 pA (typical)  
- **Input Offset Current:** 5 pA (typical)  
- **Gain Bandwidth Product:** 4 MHz (typical)  
- **Slew Rate:** 13 V/µs (typical)  
- **Common Mode Rejection Ratio (CMRR):** 86 dB (typical)  
- **Power Supply Rejection Ratio (PSRR):** 100 dB (typical)  
- **Operating Temperature Range:** -40°C to +105°C  
- **Package Options:** PDIP-14, SO-14  

### **Description:**  
The TL084I is a low-noise, high-speed JFET-input operational amplifier with internally trimmed input offset voltage. It is designed for applications requiring high input impedance, low noise, and wide bandwidth. The device features four independent op-amps in a single package, making it suitable for multi-channel applications.  

### **Features:**  
- **JFET Input Stage:** Provides high input impedance and low input bias current.  
- **Low Noise:** Suitable for precision signal conditioning.  
- **Wide Bandwidth:** 4 MHz gain bandwidth product.  
- **High Slew Rate:** 13 V/µs for fast signal response.  
- **Low Power Consumption:** Optimized for efficiency.  
- **Internally Compensated:** No external compensation required.  
- **ESD Protection:** Improved robustness against electrostatic discharge.  

This information is strictly factual and sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

GENERAL PURPOSE J-FET QUAD OPERATIONAL AMPLIFIERS

Alternative Part Number

  • LM324N --: Quad general-purpose op-amp in DIP-14, widely available and pin-compatible in many TL084 sockets, though with lower bandwidth and slew rate.
  • MC33079P --: Quad low-noise op-amp with similar supply range and pinout, suitable as a functional substitute in many TL084 applications.
  • LF347N --: Quad JFET-input op-amp with comparable input characteristics and pinout, often used as a direct replacement for TL084 circuits.
  • MC34074P --: Quad bipolar/JFET op-amp offering comparable slew rate and supply range, suitable drop-in replacement in most TL084 circuits.
  • OPA4134UA --: Precision quad op-amp with improved offset and noise performance, usable where higher accuracy is needed though at higher cost.
  • TL074 --: Same TL07x JFET-input quad op-amp family with nearly identical electrical specifications, a common drop-in substitute.
  • MC34004 --: Quad bipolar/JFET-input op-amp offering comparable gain-bandwidth and supply range, suitable as a functional replacement.

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