Overview
The TLE2072CDRG4, produced by Texas Instruments, is a high-performance dual operational amplifier from the TLE207x family. This device is characterized by its low noise and high-speed JFET-input architecture, making it suitable for a wide range of applications requiring precision and high fidelity signal processing.
The TLE2072 is part of the Excalibur series, known for its tight input offset voltage and ensured maximum noise specifications. It offers the benefits of both JFET and bipolar technologies, providing high input impedance and robust output drive capabilities.
Key Specifications
| Parameter | Typical Value | Maximum Value | Unit |
|---|---|---|---|
| Supply Voltage (VCC±) | ±2.25 to ±19 | ±19 | V |
| Operating Free-Air Temperature (TA) | 0 to 70°C | -55 to 125°C (for some packages) | °C |
| Input Offset Voltage (VIO) | 0.3 to 3.5 mV | 6 mV | mV |
| Input Bias Current (IB) | 5 to 100 pA | 100 pA | pA |
| Positive Slew Rate (SR+) | 38 V/μs | 38 V/μs | V/μs |
| Negative Slew Rate (SR-) | 23 V/μs | 23 V/μs | V/μs |
| Unity Gain Bandwidth | 9.4 MHz | 9.4 MHz | MHz |
| Common Mode Rejection Ratio (CMRR) | 80 to 98 dB | 98 dB | dB |
Key Features
- Low Noise and High Speed: The TLE2072 features low noise and high-speed operation, making it ideal for noise-sensitive circuits and high-fidelity signal processing.
- JFET-Input: Offers high input impedance due to JFET-input transistors, which is beneficial for interfacing with high-impedance sensors or very low-level AC signals.
- Wide Supply Voltage Range: Operates over a wide supply voltage range of ±2.25 V to ±19 V, increasing the dynamic signal range for BiFET circuits.
- Precision Grades: On-chip zener trimming of offset voltage provides precision grades for greater accuracy in DC-coupled applications.
- Pin Compatibility: Pin-compatible with lower performance BiFET operational amplifiers, making it easy to upgrade existing designs.
- Robust Output Drive: Combines the high input impedance of JFETs with the robust output drive associated with bipolar amplifiers.
Applications
- High-Fidelity Audio Equipment: Suitable for audio applications requiring low noise and high fidelity signal processing.
- Medical Equipment: Used in medical devices where precision and low noise are critical.
- Industrial Control Systems: Ideal for industrial control systems that require high accuracy and reliability.
- Scientific Instruments: Used in various scientific instruments where high precision and low noise are essential.
- High-Impedance Sensors: Suitable for interfacing with high-impedance sensors in various applications.
Q & A
- What is the supply voltage range of the TLE2072?
The TLE2072 operates over a supply voltage range of ±2.25 V to ±19 V.
- What is the typical input offset voltage of the TLE2072?
The typical input offset voltage is between 0.3 mV and 3.5 mV.
- What is the slew rate of the TLE2072?
The positive slew rate is 38 V/μs, and the negative slew rate is 23 V/μs.
- What is the unity gain bandwidth of the TLE2072?
The unity gain bandwidth is approximately 9.4 MHz.
- Is the TLE2072 pin-compatible with other BiFET operational amplifiers?
Yes, the TLE2072 is pin-compatible with lower performance BiFET operational amplifiers.
- What are the key benefits of the JFET-input architecture in the TLE2072?
The JFET-input architecture provides high input impedance and is suitable for interfacing with high-impedance sensors or very low-level AC signals.
- What is the common mode rejection ratio (CMRR) of the TLE2072?
The CMRR is between 80 dB and 98 dB.
- What are some typical applications of the TLE2072?
Typical applications include high-fidelity audio equipment, medical equipment, industrial control systems, scientific instruments, and high-impedance sensor interfaces.
- How does the TLE2072 handle temperature variations?
The TLE2072 operates over a wide temperature range from 0°C to 70°C, and some packages can operate from -55°C to 125°C.
- What is the significance of on-chip zener trimming in the TLE2072?
On-chip zener trimming of offset voltage provides precision grades for greater accuracy in DC-coupled applications.
