Overview
The TLE2074CDWR is a high-performance, quad JFET-input operational amplifier produced by Texas Instruments. It is part of the TLE207x series, which significantly enhances the bandwidth and slew rate compared to the TL07x and TL08x families of BiFET operational amplifiers. This amplifier is designed to offer superior noise performance, with a typical noise floor of 11.6 nV/Hz and an ensured maximum noise floor of 17 nV/Hz. The TLE2074CDWR features on-chip zener trimming of offset voltage, which improves DC performance, and it has wider supply voltage rails, increasing the dynamic signal range to ±19 V.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package Type | SOIC-16 |
| Number of Channels | 4 Channel |
| Supply Voltage - Max | 38 V |
| Supply Voltage - Min | 4.5 V |
| GBP - Gain Bandwidth Product | 10 MHz |
| SR - Slew Rate | 40 V/μs |
| Vos - Input Offset Voltage | 5 mV |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +85°C |
| Ib - Input Bias Current | 175 pA |
| Operating Supply Current | 6.3 mA |
| CMRR - Common Mode Rejection Ratio | 89 dB |
| en - Input Voltage Noise Density | 12 nV/√Hz |
| Amplifier Type | Wideband Amplifier |
| Dual Supply Voltage | +/- 3 V, +/- 5 V, +/- 9 V |
| Maximum Dual Supply Voltage | +/- 19 V |
| Minimum Dual Supply Voltage | +/- 2.25 V |
Key Features
The TLE2074CDWR boasts several key features that make it a high-performance choice for various applications:
- Direct Upgrades to TL05x, TL07x, and TL08x BiFET Operational Amplifiers: It offers greater than 2× bandwidth and 3× slew rate compared to the TL07x family.
- Low Noise Floor: Ensured maximum noise floor of 17 nV/Hz, making it suitable for noise-sensitive circuits.
- On-Chip Offset Voltage Trimming: Improves DC performance by providing precision grades for greater accuracy in DC-coupled applications.
- Wider Supply Rails: Increases the dynamic signal range to ±19 V, enhancing the overall performance of BiFET circuits.
- Fast Settling Time and Rapid Overvoltage Recovery: Reduces recovery time to minimize noise and ensures smooth operation in fast-changing environments.
- Improved Linearity: Preserves signal integrity by maintaining high accuracy.
- Inherently Higher Input Impedance: Suitable for interfacing with high-impedance sensors or very low-level AC signals without sacrificing output drive.[
Applications
The TLE2074CDWR is versatile and can be applied in various high-performance applications:
- High-Speed Data Acquisition and Processing: Its fast settling time and high slew rate make it ideal for high-speed data acquisition systems.
- Noise-Sensitive Circuits: The low noise floor makes it suitable for applications requiring minimal noise interference.
- DC-Coupled Applications: The on-chip offset voltage trimming ensures high accuracy in DC-coupled circuits.
- Interfacing with High-Impedance Sensors: The inherently higher input impedance of JFET-input transistors makes it better suited for such applications.[
Q & A
- What is the maximum supply voltage for the TLE2074CDWR?
The maximum supply voltage for the TLE2074CDWR is 38 V.
- What is the gain bandwidth product (GBP) of the TLE2074CDWR?
The GBP of the TLE2074CDWR is 10 MHz.[
- What is the slew rate of the TLE2074CDWR?
The slew rate of the TLE2074CDWR is 40 V/μs.[
- What is the input offset voltage of the TLE2074CDWR?
The input offset voltage of the TLE2074CDWR is 5 mV.[
- What is the operating temperature range for the TLE2074CDWR?
The operating temperature range for the TLE2074CDWR is -40°C to +85°C.[
- Is the TLE2074CDWR suitable for single-supply systems?
No, the TLE2074CDWR is designed for use with dual power supplies. For single-supply systems, Texas Instruments recommends their LinCMOS operational amplifier families.[
- What are the key advantages of using the TLE2074CDWR over other BiFET operational amplifiers?
The TLE2074CDWR offers greater bandwidth, higher slew rate, lower noise floor, and on-chip offset voltage trimming compared to other BiFET operational amplifiers.[
- Can the TLE2074CDWR be used in high-impedance sensor applications?
Yes, the TLE2074CDWR is suitable for high-impedance sensor applications due to its inherently higher input impedance.[
- What is the common mode rejection ratio (CMRR) of the TLE2074CDWR?
The CMRR of the TLE2074CDWR is 89 dB.[
- How does the TLE2074CDWR handle overvoltage recovery?
The TLE2074CDWR features rapid overvoltage recovery, ensuring smooth operation in fast-changing environments.[
