Overview
The TLE2072ACD is a high-performance BiFET operational amplifier from Texas Instruments, part of the TLE207x family. These amplifiers are designed to offer superior performance over earlier BiFET operational amplifiers such as the TL05x, TL07x, and TL08x series. The TLE2072ACD features enhanced bandwidth and slew rate, making it ideal for noise-sensitive circuits and applications requiring high accuracy and low noise.
The TLE2072ACD is fabricated using Texas Instruments' Excalibur process, which ensures a low noise floor and improved DC performance. It is pin-compatible with lower-performance BiFET operational amplifiers, allowing for easy upgrades in existing designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | ±2.25 to ±19 | V |
| Operating Temperature Range | 0 to 70, -40 to 85, -55 to 125 | °C |
| Input Offset Voltage (Typical) | 3.5 mV | mV |
| Input Offset Voltage (Maximum) | 6 mV | mV |
| Offset Drift (Typical) | 2.4 μV/°C | μV/°C |
| Bandwidth | 10 MHz | MHz |
| Slew Rate | 45 V/μs | V/μs |
| Noise Floor (Typical) | 11.6 nV/√Hz | nV/√Hz |
| Noise Floor (Ensured Maximum) | 17 nV/√Hz | nV/√Hz |
| Output Current (Typical) | 30 mA | mA |
| Package Type | SOIC (D), Chip Carrier (FK), Ceramic DIP (JG), Plastic DIP (P) |
Key Features
- Direct upgrades to TL05x, TL07x, and TL08x BiFET operational amplifiers.
- Greater than 2× bandwidth (10 MHz) and 3× slew rate (45 V/μs) compared to TL07x.
- Ensured maximum noise floor of 17 nV/√Hz.
- On-chip offset voltage trimming for improved DC performance.
- Wider supply voltage rails, increasing the dynamic signal range to ±19 V.
- Higher input impedance due to JFET-input transistors, suitable for high-impedance sensors and low-level AC signals.
- Better AC response compared to bipolar or CMOS devices with comparable power consumption.
Applications
The TLE2072ACD is suitable for a variety of applications that require high performance, low noise, and high accuracy. These include:
- Noise-sensitive circuits, such as audio equipment and medical devices.
- High-impedance sensor interfaces, like those in industrial and scientific instruments.
- Low-level AC signal processing, such as in audio amplifiers and preamplifiers.
- DC-coupled applications where precision and low offset voltage are critical.
- Upgrading existing BiFET operational amplifier designs to achieve better performance.
Q & A
- What is the typical noise floor of the TLE2072ACD?
The typical noise floor of the TLE2072ACD is 11.6 nV/√Hz, with an ensured maximum of 17 nV/√Hz.
- What are the key improvements of the TLE2072ACD over the TL07x series?
The TLE2072ACD offers more than double the bandwidth (10 MHz) and triple the slew rate (45 V/μs) compared to the TL07x series. It also has a wider supply voltage range and improved DC performance due to on-chip offset voltage trimming.
- What are the operating temperature ranges for the TLE2072ACD?
The operating temperature ranges for the TLE2072ACD are 0 to 70°C, -40 to 85°C, and -55 to 125°C, depending on the package type.
- What is the typical output current of the TLE2072ACD?
The typical output current of the TLE2072ACD is 30 mA).
- Is the TLE2072ACD compatible with single-supply systems?
The TLE2072ACD is designed for use with dual power supplies. For single-supply systems, additional components like the TLE2426 integrated virtual ground generator may be necessary to ensure proper operation).
- What are the package options available for the TLE2072ACD?
The TLE2072ACD is available in SOIC (D), Chip Carrier (FK), Ceramic DIP (JG), and Plastic DIP (P) packages).
- How does the TLE2072ACD compare to bipolar or CMOS amplifiers?
The TLE2072ACD offers higher input impedance due to JFET-input transistors and better AC response compared to bipolar or CMOS devices with comparable power consumption).
- What is the significance of the Excalibur process used in the TLE2072ACD?
The Excalibur process used in the TLE2072ACD ensures a low noise floor and improved DC performance, making it suitable for high-performance applications).
- Can the TLE2072ACD be used to upgrade existing BiFET operational amplifier designs?
Yes, the TLE2072ACD is pin-compatible with lower-performance BiFET operational amplifiers, making it easy to upgrade existing designs for better performance).
- What are some typical applications of the TLE2072ACD?
The TLE2072ACD is suitable for noise-sensitive circuits, high-impedance sensor interfaces, low-level AC signal processing, and DC-coupled applications where precision is critical).
