Overview
The TLE2142ID is a dual low-noise, high-speed precision operational amplifier produced by Texas Instruments. This device is part of the TLE214x series, known for its high-performance characteristics and internal compensation. The TLE2142ID is designed to operate over a wide temperature range of –55°C to 125°C, making it suitable for various industrial and military applications.
Key Specifications
| Parameter | Test Conditions | Unit | Min | Typ | Max |
|---|---|---|---|---|---|
| Input Offset Voltage (VIO) | VO = 2.5 V, RS = 50 Ω, VIC = 2.5 V | µV | 220 | — | 2600 |
| Temperature Coefficient of Input Offset Voltage (αVIO) | VO = 2.5 V, RS = 50 Ω, VIC = 2.5 V | µV/°C | — | 1.7 | — |
| Input Offset Current (IIO) | VO = 2.5 V, RS = 50 Ω, VIC = 2.5 V | nA | 8 | — | 200 |
| Input Bias Current (IIB) | VO = 2.5 V, RS = 50 Ω, VIC = 2.5 V | µA | –0.8 | — | –2.3 |
| Common-Mode Input Voltage Range (VICR) | RS = 50 Ω | V | –0.3 | — | 4.1 |
| High-Level Output Voltage (VOH) | VCC = ±15 V, IOH = –100 µA | V | 3.75 | — | — |
| Positive Slew Rate (SR+) | AVD = –1, RL = 2 kΩ, CL = 100 pF | V/µs | 27 | 45 | — |
| Negative Slew Rate (SR–) | AVD = –1, RL = 2 kΩ, CL = 100 pF | V/µs | 27 | 42 | — |
| Settling Time (ts) | AVD = –1, 10-V step | µs | 0.34 | — | 0.4 |
| Equivalent Input Noise Voltage (Vn) | f = 10 Hz, RS = 20 Ω | nV/√Hz | 15 | — | — |
| Peak-to-Peak Equivalent Input Noise Voltage (Vn(PP)) | f = 0.1 Hz to 10 Hz | µV | 0.51 | — | — |
Key Features
- Low Noise: The TLE2142ID features low noise characteristics with an equivalent input noise voltage of 15 nV/√Hz at 10 Hz and 10.5 nV/√Hz at 1 kHz.
- High Speed: It has high slew rates of 27 V/µs to 45 V/µs for both positive and negative transitions, and a settling time of 0.34 µs to 0.4 µs for a 10-V step.
- High Precision: The device offers high precision with low input offset voltage and current, making it suitable for precision applications.
- Wide Temperature Range: Operates from –55°C to 125°C, making it suitable for industrial and military applications.
- High Load Capability: Can drive loads up to 10,000 pF.
Applications
- Industrial Control Systems: Used in precision measurement and control systems due to its high accuracy and low noise characteristics.
- Military Equipment: Suitable for military applications due to its wide temperature range and high reliability.
- Medical Devices: Used in medical equipment requiring high precision and low noise, such as ECG and EEG machines.
- Aerospace: Employed in aerospace applications where high performance and reliability are critical.
Q & A
- Q: What is the operating temperature range of the TLE2142ID?
A: The TLE2142ID operates from –55°C to 125°C.
- Q: What is the typical input offset voltage of the TLE2142ID?
A: The typical input offset voltage is around 220 µV.
- Q: What are the slew rates of the TLE2142ID?
A: The positive and negative slew rates are 27 V/µs to 45 V/µs.
- Q: Can the TLE2142ID drive high-capacitive loads?
A: Yes, it can drive loads up to 10,000 pF.
- Q: What is the equivalent input noise voltage of the TLE2142ID at 10 Hz?
A: The equivalent input noise voltage at 10 Hz is 15 nV/√Hz.
- Q: Is the TLE2142ID suitable for military applications?
A: Yes, it is suitable due to its wide temperature range and high reliability.
- Q: What are the common package types for the TLE2142ID?
A: It is available in industry-standard 8-pin and 16-pin small-outline packages.
- Q: What is the settling time of the TLE2142ID for a 10-V step?
A: The settling time is 0.34 µs to 0.4 µs for a 10-V step.
- Q: Is the TLE2142ID still in production?
A: No, the TLE2142ID is no longer in production.
- Q: Where can I find detailed specifications and documentation for the TLE2142ID?
A: Detailed specifications and documentation can be found on the Texas Instruments website and in the device's datasheet.
