Overview
The TLE2142MDG4 is a high-performance, internally compensated operational amplifier produced by Texas Instruments. It is part of the TLE214x series, built using the complementary bipolar Excalibur process. This dual operational amplifier is known for its high speed, high drive capabilities, and precision, making it suitable for a wide range of applications requiring low noise and high accuracy.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value |
|---|---|---|---|
| Number of Channels | 2 | - | - |
| Gain Bandwidth Product (GBW) | 5.9 MHz | - | - |
| Slew Rate | 45 V/μs | 27 V/μs | - |
| Input Offset Voltage (Vos) at 25°C | 500 μV | - | 1.2 mV |
| Input Offset Voltage Drift | 1.7 μV/°C | - | - |
| Common-Mode Rejection Ratio (CMRR) | 108 dB | 85 dB | - |
| Supply Voltage Range | - | ±2 V to ±22 V (4 V to 44 V) | - |
| Operating Temperature Range | - | -55°C | 125°C |
| Output Current per Channel | 31 mA | - | - |
| Package Type | SOIC (8-pin) | - | - |
Key Features
- Low Noise: Audio-band noise of 10.5 nV/√Hz at 1 kHz.
- High Gain-Bandwidth Product: 5.9 MHz, ensuring high-speed operation.
- High Slew Rate: 45 V/μs, allowing for fast signal transitions.
- High Drive Capability: Can drive capacitive loads up to 10 nF and handle high output currents.
- Low Input Offset Voltage: Maximum of 500 μV at 25°C, with a typical drift of 1.7 μV/°C.
- Wide Supply Voltage Range: Single or split supply operation from 4 V to 44 V (±2 V to ±22 V).
- Fast Settling Time: Settling time to 0.1% in 340 ns and to 0.01% in 400 ns.
- Large Output Swing: Output voltage swing from VCC+0.1 V to VCC-1 V.
Applications
- Fast Actuator/Positioning Drivers: The high drive capability and low noise make it suitable for fast actuator and positioning applications.
- Sample-and-Hold Circuits: Stable with capacitive loads, making it useful for low-droop sample-and-hold circuits.
- Buffering Long Cables: Can be used for direct buffering of long cables, including 4-mA to 20-mA current loops.
- General Purpose Amplification: Suitable for various general-purpose amplification needs due to its high performance and stability.
Q & A
- What is the TLE2142MDG4 operational amplifier?
The TLE2142MDG4 is a high-performance, internally compensated dual operational amplifier produced by Texas Instruments, known for its high speed, high drive capabilities, and precision.
- What is the typical gain-bandwidth product of the TLE2142MDG4?
The typical gain-bandwidth product is 5.9 MHz.
- What is the slew rate of the TLE2142MDG4?
The slew rate is typically 45 V/μs.
- What is the input offset voltage of the TLE2142MDG4 at 25°C?
The maximum input offset voltage at 25°C is 1.2 mV, with a typical value of 500 μV.
- What is the operating temperature range of the TLE2142MDG4?
The operating temperature range is from -55°C to 125°C.
- What is the package type of the TLE2142MDG4?
The package type is an 8-pin SOIC.
- Can the TLE2142MDG4 handle capacitive loads?
Yes, it can handle capacitive loads up to 10 nF.
- What are the typical settling times for the TLE2142MDG4?
The settling time to 0.1% is 340 ns, and to 0.01% is 400 ns.
- Is the TLE2142MDG4 suitable for single or split supply operation?
Yes, it can operate with single or split supply voltages from 4 V to 44 V (±2 V to ±22 V).
- What are some common applications of the TLE2142MDG4?
Common applications include fast actuator/positioning drivers, sample-and-hold circuits, buffering long cables, and general-purpose amplification.
- Is the TLE2142MDG4 still in production?
No, the TLE2142MDG4 is no longer in production, but there are drop-in replacements available with upgraded functionality.
