Overview
The TLE2141AIDR is a high-performance, internally compensated operational amplifier produced by Texas Instruments. It is part of the TLE214x and TLE214xA series, built using the Excalibur complementary bipolar process. This device is a tighter offset voltage grade of the TLE214x series and is pin-compatible with standard industry products. The TLE2141AIDR is known for its low noise, high speed, and precision, making it suitable for a variety of applications requiring high accuracy and stability.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Conditions |
|---|---|---|---|---|---|
| Input Offset Voltage (VIO) | 210 | 500 | 2100 | µV | VO = 2.5 V, RS = 50 Ω, VIC = 2.5 V |
| Temperature Coefficient of VIO | 1.7 | µV/°C | VO = 2.5 V, RS = 50 Ω, VIC = 2.5 V | ||
| Input Offset Current (IIO) | 8 | 100 | 250 | nA | VO = 2.5 V, RS = 50 Ω, VIC = 2.5 V |
| Input Bias Current (IIB) | -0.8 | -2 | -2.3 | µA | VO = 2.5 V, RS = 50 Ω, VIC = 2.5 V |
| Common-Mode Input Voltage Range (VICR) | -0.3 | 4.1 | V | RS = 50 Ω | |
| Positive Slew Rate (SR+) | 27 | 45 | V/µs | AVD = -1, RL = 2 kΩ, CL = 100 pF | |
| Negative Slew Rate (SR-) | 27 | 42 | V/µs | AVD = -1, RL = 2 kΩ, CL = 100 pF | |
| Settling Time to 0.1% | 340 | ns | AVD = -1, 10-V step | ||
| Settling Time to 0.01% | 400 | ns | AVD = -1, 10-V step | ||
| Supply Current (ICC) | 3.5 | 4.5 | 4.7 | mA | VO = 0, No load, VIC = 2.5 V |
| Short-Circuit Output Current (IOS) | 20 | 31 | mA | VO = 0 | |
| Common-Mode Rejection Ratio (CMRR) | 85 | 90 | 106 | dB | VIC = VICR(min), RS = 50 Ω |
| Supply-Voltage Rejection Ratio (kSVR) | 85 | 90 | 106 | dB | VCC± = ±2.5 V to ±15 V, RS = 50 Ω |
Key Features
- Low Noise: 10.5 nV/√Hz at 1 kHz and 15 nV/√Hz at 10 Hz.
- High Speed: Minimum slew rate of 27 V/µs and a gain-bandwidth product of 5.9 MHz.
- High Load Capability: Can drive capacitive loads up to 10 nF and has a minimum short-circuit output current of 20 mA.
- Low Offset Voltage: Maximum input offset voltage of 500 µV at 25°C and a typical drift of 1.7 µV/°C.
- Fast Settling Time: Settling time to 0.1% is 340 ns and to 0.01% is 400 ns for a 10-V step.
- Single or Split Supply Operation: Can operate with supply voltages ranging from 4 V to 44 V.
- Large Output Swing: Output swing from VCC+0.1 V to VCC-1 V.
Applications
- Fast Actuator/Positioning Drivers: The low audio-band noise and fast settling times make it suitable for fast actuator and positioning drivers.
- Sample-and-Hold Circuits: Useful for low-droop sample-and-hold circuits due to its stability with capacitive loads.
- Direct Buffering of Long Cables: Can be used for direct buffering of long cables, including 4-mA to 20-mA current loops.
- High-Precision Instrumentation: Suitable for high-precision instrumentation due to its low offset voltage and high common-mode rejection ratio.
Q & A
- What is the TLE2141AIDR?
The TLE2141AIDR is a high-performance, internally compensated operational amplifier produced by Texas Instruments.
- What are the key features of the TLE2141AIDR?
Key features include low noise, high speed, high load capability, low offset voltage, fast settling time, and single or split supply operation.
- What is the input offset voltage of the TLE2141AIDR?
The maximum input offset voltage is 500 µV at 25°C.
- What is the slew rate of the TLE2141AIDR?
The minimum slew rate is 27 V/µs.
- What is the settling time of the TLE2141AIDR?
The settling time to 0.1% is 340 ns and to 0.01% is 400 ns for a 10-V step.
- What supply voltages can the TLE2141AIDR operate with?
The device can operate with supply voltages ranging from 4 V to 44 V.
- What are some common applications of the TLE2141AIDR?
Common applications include fast actuator/positioning drivers, sample-and-hold circuits, direct buffering of long cables, and high-precision instrumentation.
- What is the common-mode rejection ratio (CMRR) of the TLE2141AIDR?
The CMRR is typically 90 dB.
- What is the supply-voltage rejection ratio (kSVR) of the TLE2141AIDR?
The kSVR is typically 90 dB.
- What is the package type and pin count of the TLE2141AIDR?
The device comes in an 8-pin SOIC (D) package.
