Overview
The TLE2142AID is a high-performance, internally compensated operational amplifier produced by Texas Instruments. Although this product is no longer in production, it remains a significant component in the realm of precision operational amplifiers. The TLE2142AID is part of the TLE214x and TLE214xA series, which are built using Texas Instruments' complementary bipolar Excalibur process. These devices are known for their low noise, high speed, and precision, making them suitable for a variety of applications requiring high accuracy and stability.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 8-SOIC (D) |
| Pins | 8 |
| Operating Temperature Range (°C) | -40 to 85 |
| Supply Voltage Range | 4 V to 44 V, ±2 V to ±22 V |
| Input Offset Voltage (Vos) at 25°C | 1.5 mV |
| Common Mode Rejection Ratio (CMRR) | 85 dB |
| Supply Voltage Rejection Ratio (SVRR) | 90 dB |
| Slew Rate | 27 V/µs (min) |
| Gain-Bandwidth Product | 5.9 MHz |
| Settling Time to 0.1% | 340 ns |
| Settling Time to 0.01% | 400 ns |
| Saturation Recovery Time | 150 ns |
| Output Current (short-circuit) | 20 mA (min) |
| Load Capability | Up to 10 nF |
Key Features
- Low Noise: Audio-band noise of 10.5 nV/√Hz at 1 kHz.
- High Speed: Slew rate of 27 V/µs and a gain-bandwidth product of 5.9 MHz.
- Precision: Input offset voltage of 1.5 mV and a typical drift of 1.7 µV/°C.
- Stability with Capacitive Loads: Stable with loads up to 10 nF.
- Wide Supply Voltage Range: Operates from 4 V to 44 V, or ±2 V to ±22 V.
- Fast Settling Time: Settling times of 340 ns to 0.1% and 400 ns to 0.01%.
- Saturation Recovery: Quick recovery time of 150 ns.
- High Output Swing: Nearly rail-to-rail output swing under light current-loading conditions.
- Short-Circuit Protection: Internally limited output current to prevent damage.
Applications
- Fast Actuator/Positioning Drivers: Suitable due to its low noise and high speed.
- Sample-and-Hold Circuits: Low droop characteristics make it ideal for sample-and-hold applications.
- Direct Buffering of Long Cables: Including 4-mA to 20-mA current loops.
- Comparators: Can be used as comparators with differential inputs maintained without damage.
- High-Density System Applications: Available in various packages including SOIC, chip form, and others.
Q & A
- What is the TLE2142AID operational amplifier used for?
The TLE2142AID is a high-performance operational amplifier used in applications requiring low noise, high speed, and precision, such as fast actuator/positioning drivers, sample-and-hold circuits, and direct buffering of long cables.
- What are the key specifications of the TLE2142AID?
Key specifications include an input offset voltage of 1.5 mV, a slew rate of 27 V/µs, a gain-bandwidth product of 5.9 MHz, and stability with capacitive loads up to 10 nF.
- What is the operating temperature range of the TLE2142AID?
The operating temperature range is -40°C to 85°C.
- What is the supply voltage range for the TLE2142AID?
The device operates from 4 V to 44 V, or ±2 V to ±22 V.
- Is the TLE2142AID still in production?
No, the TLE2142AID is no longer in production. New designs should consider an alternate product.
- What are the common applications of the TLE2142AID?
Common applications include fast actuator/positioning drivers, sample-and-hold circuits, direct buffering of long cables, and use as comparators.
- What is the typical settling time of the TLE2142AID?
The settling time to 0.1% is 340 ns and to 0.01% is 400 ns.
- Can the TLE2142AID handle capacitive loads?
Yes, it is stable with capacitive loads up to 10 nF.
- What is the output current limitation of the TLE2142AID?
The output current is internally limited to prevent damage, with a minimum short-circuit output current of 20 mA.
- What are the available packages for the TLE2142AID?
The device is available in various packages including 8-pin SOIC, chip form, and others.
