Overview
The TLE2142IP, produced by Texas Instruments, is a dual low-noise, high-speed precision operational amplifier. It is part of the TLE214x series, which is built using Texas Instruments' complementary bipolar Excalibur process. This amplifier is known for its high performance, low audio-band noise, and symmetrical slew rate, making it suitable for a variety of high-fidelity and high-speed applications.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Input Noise Voltage | 10.5 nV/√Hz | At 1 kHz |
| Slew Rate | 40 V/μs | Typical |
| Settling Time (0.1% of 10-V step) | 340 ns | With 2-kΩ/100-pF load |
| Settling Time (0.01% of 10-V step) | 400 ns | With 2-kΩ/100-pF load |
| Supply Voltage Range | ±2.5 V to ±15 V | |
| Supply Current (No Load) | 3.5 mA to 4.5 mA | At 25°C |
| Short-Circuit Output Current | ±25 mA to ±50 mA | At 25°C |
| Common-Mode Rejection Ratio (CMRR) | 90 dB to 106 dB | VCC ± = ±2.5 V to ±15 V |
Key Features
- Low Audio-Band Noise: 10.5 nV/√Hz at 1 kHz, making it ideal for high-fidelity audio applications.
- High Slew Rate: Symmetrical 40 V/μs, which is beneficial for fast actuator and positioning drivers.
- Fast Settling Time: 340 ns to 0.1% and 400 ns to 0.01% of a 10-V step with a 2-kΩ/100-pF load, suitable for high-speed applications.
- Stability with Capacitive Loads: Stable with capacitive loads up to 10 nF, although bandwidth decreases at high loading levels.
- Wide Supply Voltage Range: Operates from ±2.5 V to ±15 V, providing flexibility in various system designs).
Applications
- High-Fidelity Audio Systems: The low noise and high slew rate make it suitable for audio applications requiring high fidelity and low distortion).
- Fast Actuator and Positioning Drivers: The fast settling time and high slew rate are beneficial for applications requiring rapid and precise positioning).
- Sample-and-Hold Circuits: The stability with capacitive loads and low droop characteristics make it useful for sample-and-hold applications).
- General Purpose Amplification: Its high performance and versatility make it a good choice for various general-purpose amplification needs).
Q & A
- What is the input noise voltage of the TLE2142IP?
The input noise voltage of the TLE2142IP is 10.5 nV/√Hz at 1 kHz).
- What is the slew rate of the TLE2142IP?
The slew rate of the TLE2142IP is typically 40 V/μs).
- How long does it take for the TLE2142IP to settle to 0.1% of a 10-V step?
The settling time to 0.1% of a 10-V step is 340 ns with a 2-kΩ/100-pF load).
- What is the supply voltage range of the TLE2142IP?
The supply voltage range of the TLE2142IP is ±2.5 V to ±15 V).
- How much current does the TLE2142IP draw from the supply when there is no load?
The supply current with no load is typically between 3.5 mA and 4.5 mA at 25°C).
- What is the common-mode rejection ratio (CMRR) of the TLE2142IP?
The CMRR of the TLE2142IP is between 90 dB and 106 dB for VCC ± = ±2.5 V to ±15 V).
- Is the TLE2142IP stable with capacitive loads?
Yes, the TLE2142IP is stable with capacitive loads up to 10 nF, although the bandwidth decreases at high loading levels).
- What are some typical applications of the TLE2142IP?
Typical applications include high-fidelity audio systems, fast actuator and positioning drivers, sample-and-hold circuits, and general-purpose amplification).
- What is the package type of the TLE2142IP?
The TLE2142IP is available in an 8-PDIP package).
- Where can I find more detailed specifications and support for the TLE2142IP?
You can find detailed specifications and support on the Texas Instruments website and through their technical support forums).
