Overview
The TLE2142IDRG4 is a dual low-noise, high-speed precision operational amplifier produced by Texas Instruments. It is part of the TLE214x and TLE214xA series, which are built using TI's complementary bipolar Excalibur process. These amplifiers are known for their high performance, low audio-band noise, and high slew rates, making them suitable for a variety of applications requiring precision and speed.
Key Specifications
| Parameter | Test Conditions | Typical Value | Unit |
|---|---|---|---|
| Input Offset Voltage | 25°C | 220 - 1900 | μV |
| Temperature Coefficient of Input Offset Voltage | Full range | 1.7 | μV/°C |
| Positive Slew Rate | AVD = −1, RL = 2 kΩ, CL = 100 pF | 40 | V/μs |
| Negative Slew Rate | AVD = −1, RL = 2 kΩ, CL = 100 pF | 40 | V/μs |
| Settling Time to 0.1% | AVD = −1, 10-V step, RL = 2 kΩ, CL = 100 pF | 340 ns | ns |
| Settling Time to 0.01% | AVD = −1, 10-V step, RL = 2 kΩ, CL = 100 pF | 400 ns | ns |
| Supply Current | No load, 25°C | 3.5 - 4.5 | mA |
| Short-Circuit Output Current | VO = 0, VID = 1 V, 25°C | 20 - 31 | mA |
| Common-Mode Rejection Ratio | VCC ± = ±2.5 V to ±15 V, 25°C | 90 - 106 | dB |
Key Features
- Low audio-band noise of 10.5 nV/√Hz with a 10-Hz 1/f corner.
- High slew rates of 40 V/μs.
- Fast settling times: 340 ns to 0.1% and 400 ns to 0.01% of a 10-V step.
- Stable with capacitive loads up to 10 nF.
- High common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR).
- Internally compensated for ease of use.
Applications
The TLE2142IDRG4 is suitable for various high-performance applications, including:
- High-fidelity audio systems due to its low noise and high slew rates.
- Fast actuator and positioning drivers because of its fast settling times.
- Medical instruments and industrial sensors requiring precision and stability.
- Precision measuring equipment where low distortion and high power bandwidth are crucial.
- Sample-and-hold circuits and other applications requiring low droop.
Q & A
- What is the typical input offset voltage of the TLE2142IDRG4? The typical input offset voltage is between 220 μV and 1900 μV at 25°C.
- What is the slew rate of the TLE2142IDRG4? The slew rate is typically 40 V/μs for both positive and negative transitions.
- How fast does the TLE2142IDRG4 settle to 0.1% of a 10-V step? It settles to 0.1% in approximately 340 ns.
- What is the maximum capacitive load the TLE2142IDRG4 can handle? It is stable with capacitive loads up to 10 nF.
- What are the typical supply current requirements for the TLE2142IDRG4? The supply current is typically between 3.5 mA and 4.5 mA with no load at 25°C.
- What are some common applications for the TLE2142IDRG4? Common applications include high-fidelity audio systems, fast actuator and positioning drivers, medical instruments, industrial sensors, and precision measuring equipment.
- What is the common-mode rejection ratio (CMRR) of the TLE2142IDRG4? The CMRR is typically between 90 dB and 106 dB at 25°C.
- Is the TLE2142IDRG4 internally compensated? Yes, the TLE2142IDRG4 is internally compensated for ease of use.
- What is the short-circuit output current of the TLE2142IDRG4? The short-circuit output current is typically between 20 mA and 31 mA at 25°C.
- What are the package options available for the TLE2142IDRG4? The TLE2142IDRG4 is available in SOIC packages.
