Overview
The TLE2142MDRG4 is a high-performance, internally compensated operational amplifier produced by Texas Instruments. It is part of the TLE214x and TLE214xA series, known for their low noise and high-speed precision. These amplifiers are built using Texas Instruments' complementary bipolar Excalibur process, making them suitable for a wide range of applications requiring high fidelity and precision.
The TLE2142MDRG4 is a dual operational amplifier, offering pin compatibility with standard industry products and enhancing performance with features such as low audio-band noise, high slew rates, and fast settling times. This makes it ideal for applications in high-fidelity audio, fast actuator/positioning drivers, and other high-performance systems.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Input Offset Voltage (VIO) at 25°C | 750 μV | μV |
| Temperature Coefficient of Input Offset Voltage | 1.7 μV/°C | μV/°C |
| Supply Voltage Range | ±2 V to ±22 V | V |
| Common-Mode Input Voltage Range | VCC− − 0.3 to VCC+ − 1.8 V | V |
| Slew Rate | 40 V/μs | V/μs |
| Unity Gain Bandwidth | 5.9 MHz | MHz |
| Large-Signal Differential Voltage Amplification | 100 V/mV | V/mV |
| Common-Mode Rejection Ratio (CMRR) | 85 dB | dB |
| Supply-Voltage Rejection Ratio (kSVR) | 90 dB | dB |
| Operating Free-Air Temperature Range | −55°C to 125°C | °C |
| Package Type | 8-SOIC |
Key Features
- Low noise: 10.5 nV/√Hz at 1 kHz and 15 nV/√Hz at 10 Hz.
- High slew rate: Typically 40 V/μs.
- Fast settling time: 340 ns to 0.1% and 400 ns to 0.01% of a 10-V step.
- High gain-bandwidth product: 5.9 MHz.
- Low input offset voltage: 750 μV maximum at 25°C.
- High common-mode rejection ratio and supply-voltage rejection ratio: 85 dB and 90 dB, respectively.
- Rail-to-rail output swing: VCC− − 0.1 to VCC+ − 1 V under light current-loading conditions.
- Stable with capacitive loads up to 10 nF.
- Short-circuit protection: Output current is internally limited.
Applications
- High-fidelity audio applications due to low distortion and high power bandwidth.
- Fast actuator/positioning drivers due to fast settling times.
- Low-droop sample-and-holds and direct buffering of long cables.
- 4-mA to 20-mA current loops.
- High-density system applications due to various package options.
Q & A
- What is the typical input offset voltage of the TLE2142MDRG4?
The typical input offset voltage is 750 μV at 25°C.
- What is the slew rate of the TLE2142MDRG4?
The slew rate is typically 40 V/μs.
- What is the unity gain bandwidth of the TLE2142MDRG4?
The unity gain bandwidth is 5.9 MHz.
- What is the common-mode rejection ratio (CMRR) of the TLE2142MDRG4?
The CMRR is 85 dB.
- What is the supply-voltage rejection ratio (kSVR) of the TLE2142MDRG4?
The kSVR is 90 dB.
- What is the operating temperature range of the TLE2142MDRG4?
The operating temperature range is −55°C to 125°C.
- What type of package is the TLE2142MDRG4 available in?
The TLE2142MDRG4 is available in an 8-SOIC package.
- Is the TLE2142MDRG4 stable with capacitive loads?
Yes, it is stable with capacitive loads up to 10 nF.
- Does the TLE2142MDRG4 have short-circuit protection?
Yes, the output current is internally limited to protect against short circuits.
- What are some common applications of the TLE2142MDRG4?
Common applications include high-fidelity audio, fast actuator/positioning drivers, low-droop sample-and-holds, and direct buffering of long cables.
