Wide Bandwidth JFET Input Operational Amplifier The TL081 is a high-speed JFET-input operational amplifier manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on factual information from 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)
- **Input Resistance:** 10^12 Ω (typical)
- **Large Signal Voltage Gain:** 200 V/mV (typical)
- **Slew Rate:** 13 V/µs (typical)
- **Gain Bandwidth Product:** 3 MHz (typical)
- **Common-Mode Rejection Ratio (CMRR):** 86 dB (typical)
- **Power Supply Rejection Ratio (PSRR):** 100 dB (typical)
- **Operating Temperature Range:** 0°C to 70°C (commercial grade)
- **Package Options:** PDIP-8, SOIC-8, TO-99 (metal can)
### **Description:**
The TL081 is a single operational amplifier featuring JFET (junction field-effect transistor) inputs, which provide high input impedance and low input bias currents. It is designed for high-speed, low-noise applications and is commonly used in audio, instrumentation, and signal conditioning circuits.
### **Features:**
- **JFET-Input:** Provides high input impedance and low input bias current.
- **Low Noise:** Suitable for precision applications.
- **High Slew Rate:** Enables fast signal response.
- **Wide Supply Voltage Range:** Operates from ±5V to ±18V.
- **Internal Frequency Compensation:** Ensures stability without external components.
- **Short-Circuit Protection:** Built-in protection against output short circuits.
- **Latch-Up Free Operation:** Designed to avoid latch-up issues.
The TL081 is part of the TL08x series, which includes the TL082 (dual) and TL084 (quad) versions. It is widely used in analog signal processing, active filters, and voltage followers.
(Note: All specifications are based on typical values from TI datasheets.)
