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TL084A from TI,Texas Instruments

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TL084A

Manufacturer: TI, TEXAS

GENERAL PURPOSEJ-FET QUAD OPERATIONAL AMPLIFIERS

Partnumber Manufacturer Quantity Availability
TL084A TI, TEXAS 709 In Stock

Description and Introduction

GENERAL PURPOSEJ-FET QUAD OPERATIONAL AMPLIFIERS The TL084A is a JFET-input operational amplifier manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Supply Voltage Range (VCC):** ±5V to ±18V  
- **Input Offset Voltage (Typical):** 3 mV  
- **Input Bias Current (Typical):** 30 pA  
- **Input Offset Current (Typical):** 5 pA  
- **Input Resistance (Typical):** 10^12 Ω  
- **Common-Mode Rejection Ratio (CMRR):** 86 dB  
- **Slew Rate (Typical):** 13 V/µs  
- **Gain Bandwidth Product (Typical):** 3 MHz  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Options:** PDIP, SOIC, TSSOP  

### **Descriptions:**  
The TL084A is a high-speed JFET-input operational amplifier with low input bias current and offset current. It is designed for applications requiring wide bandwidth, high slew rate, and low noise. The device features internal frequency compensation and latch-up-free operation.  

### **Features:**  
- **Low Power Consumption:** 1.4 mA per amplifier (typical)  
- **Wide Common-Mode and Differential Voltage Ranges**  
- **Low Noise:** 18 nV/√Hz (typical) at 1 kHz  
- **High Input Impedance:** JFET input stage  
- **Output Short-Circuit Protection**  
- **Latch-Up-Free Operation**  

The TL084A is commonly used in audio amplifiers, active filters, and precision integrators due to its high performance and reliability.  

(Source: Texas Instruments Datasheet)

Application Scenarios & Design Considerations

GENERAL PURPOSEJ-FET QUAD OPERATIONAL AMPLIFIERS

Alternative Part Number

  • LM324A --: Quad operational amplifier with similar general-purpose specifications; widely available and often used as a drop-in substitute in many circuits.
  • MC34074A --: Quad op-amp with comparable bandwidth and input characteristics, suitable for TL084A replacement in most applications.
  • LF347 --: Quad JFET-input operational amplifier with similar input impedance and slew rate, making it a functional alternative to the TL084A.
  • LF347N --: Quad JFET-input op-amp with similar bandwidth and input characteristics, widely used as a direct substitute for TL084 in many circuits.
  • MC34004P --: Quad bipolar/JFET op-amp pin-compatible with TL084, offering comparable gain-bandwidth and supply range for general-purpose applications.
  • LM324N --: Industry-standard quad op-amp with same pinout and supply range; lower bandwidth but a reliable low-cost fallback for non-critical TL084 designs.

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