Overview
The TLE2072CDR is a high-performance, dual JFET-input operational amplifier produced by Texas Instruments. It is part of the TLE207x family, which is known for its low noise and high speed. This amplifier significantly outperforms earlier BiFET operational amplifiers like the TL07x and TL08x, offering more than double the bandwidth and triple the slew rate. The TLE2072CDR is designed using Texas Instruments' Excalibur process, which ensures a low noise floor and improved DC performance through on-chip offset voltage trimming.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Bandwidth | 10 MHz | |
| Slew Rate | 45 V/μs | |
| Noise Floor | 17 nV/√Hz (ensured maximum) | |
| Supply Voltage Range | ±19 V | |
| Input Offset Voltage | 3.5 mV (maximum at 25°C) | |
| Operating Temperature Range | −40°C to 125°C | |
| Package Type | SOIC (D) with 8 pins | |
| Package Quantity | Carrier 2,500 (LARGE T&R) |
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) than TL07x.
- Ensured maximum noise floor of 17 nV/√Hz.
- On-chip offset voltage trimming for improved DC performance.
- Wider supply rails increase dynamic signal range to ±19 V.
- Pin-compatible with lower performance BiFET operational amplifiers for easy upgrades in existing designs.
- Inherently higher input impedance due to JFET-input transistors, suitable for high-impedance sensors or low-level AC signals.
- Better AC response compared to bipolar or CMOS devices with comparable power consumption.
Applications
The TLE2072CDR is suitable for a variety of applications that require high-speed, low-noise operational amplifiers. These include:
- Noise-sensitive circuits where low noise floor is critical.
- High-impedance sensor interfaces.
- Low-level AC signal processing.
- DC-coupled applications requiring precision grades.
- Upgrading existing BiFET operational amplifier designs for improved performance.
Q & A
- What is the bandwidth of the TLE2072CDR?
The bandwidth of the TLE2072CDR is 10 MHz.
- What is the slew rate of the TLE2072CDR?
The slew rate of the TLE2072CDR is 45 V/μs.
- What is the noise floor of the TLE2072CDR?
The ensured maximum noise floor of the TLE2072CDR is 17 nV/√Hz.
- What is the supply voltage range of the TLE2072CDR?
The supply voltage range of the TLE2072CDR is ±19 V.
- What is the input offset voltage of the TLE2072CDR?
The maximum input offset voltage of the TLE2072CDR at 25°C is 3.5 mV.
- What package type and pin count does the TLE2072CDR come in?
The TLE2072CDR comes in an SOIC (D) package with 8 pins.
- Is the TLE2072CDR pin-compatible with other BiFET operational amplifiers?
Yes, the TLE2072CDR is pin-compatible with lower performance BiFET operational amplifiers like the TL07x and TL08x.
- What are the key advantages of using JFET-input transistors in the TLE2072CDR?
The JFET-input transistors provide inherently higher input impedance and better AC response compared to bipolar or CMOS devices with comparable power consumption.
- Can the TLE2072CDR be used in single-supply systems?
While the TLE2072CDR is designed for dual-supply systems, it can be used in single-supply systems with proper DC biasing and virtual ground configuration.
- What is the operating temperature range of the TLE2072CDR?
The operating temperature range of the TLE2072CDR is −40°C to 125°C.
