Overview
The TLE2142CP is a dual low-noise, high-speed precision operational amplifier produced by Texas Instruments. It is part of the TLE214x series, which includes internally compensated operational amplifiers built using Texas Instruments' complementary bipolar Excalibur process. This device is a pin-compatible upgrade to standard industry products and is known for its high performance and reliability.
The TLE2142CP is available in an 8-pin PDIP (Plastic Dual In-Line Package) and is characterized for operation from 0°C to 70°C. It offers a range of features that make it suitable for various high-performance applications.
Key Specifications
| Parameter | Test Conditions | Unit | Min | Typ | Max |
|---|---|---|---|---|---|
| Input Offset Voltage (VIO) | VO = 2.5 V, RS = 50 Ω, VIC = 2.5 V | µV | 220 | 1200 | 2000 |
| Temperature Coefficient of Input Offset Voltage (αVIO) | VO = 2.5 V, RS = 50 Ω, VIC = 2.5 V | µV/°C | 1.7 | ||
| Input Offset Current (IIO) | VO = 2.5 V, RS = 50 Ω, VIC = 2.5 V | nA | 7 | 100 | 250 |
| Input Bias Current (IIB) | VO = 2.5 V, RS = 50 Ω, VIC = 2.5 V | µA | -0.7 | -1.5 | -2.3 |
| Common-Mode Input Voltage Range (VICR) | RS = 50 Ω | V | -0.3 to 2.7 | ||
| High-Level Output Voltage (VOH) | IOH = -100 µA | V | 3.75 | ||
| Positive Slew Rate (SR+) | AVD = -1, RL = 2 kΩ, CL = 100 pF | V/µs | 27 | 45 | |
| Settling Time to 0.1% | AVD = -1, 10-V step | µs | 340 | ||
| Equivalent Input Noise Voltage at 1 kHz | RS = 20 Ω | nV/√Hz | 10.5 |
Key Features
- Low Noise: 10 Hz...15 nV/√Hz, 1 kHz...10.5 nV/√Hz
- High Gain-Bandwidth Product: 5.9 MHz
- Fast Settling Time: 340 ns to 0.1%, 400 ns to 0.01%
- High Slew Rate: 27 V/µs minimum
- Large Output Swing: Nearly rail-to-rail output swing of VCC ± 0.1 V to VCC ± 1 V under light current-loading conditions
- Low Input Offset Voltage: Maximum 500 µV at 25°C
- High Common-Mode Rejection Ratio and Supply-Voltage Rejection Ratio: 85 dB and 90 dB, respectively
- Stable with Capacitive Loads: Up to 10 nF
- Single or Split Supply Operation: 4 V to 44 V
Applications
- Fast Actuator/Positioning Drivers: Due to its low audio-band noise and fast settling time
- Low-Droop Sample-and-Holds: Suitable for applications requiring minimal voltage drop
- Direct Buffering of Long Cables: Including 4-mA to 20-mA current loops
- Comparators: Can be used as comparators with differential inputs maintained without damage
- High-Density System Applications: Available in various packages including chip form for high-density applications
Q & A
- What is the operating temperature range for the TLE2142CP?
The operating temperature range for the TLE2142CP is 0°C to 70°C
- What is the input offset voltage of the TLE2142CP?
The maximum input offset voltage is 500 µV at 25°C
- What is the slew rate of the TLE2142CP?
The minimum positive slew rate is 27 V/µs
- Can the TLE2142CP operate with capacitive loads?
Yes, it is stable with capacitive loads up to 10 nF
- What is the common-mode rejection ratio of the TLE2142CP?
The common-mode rejection ratio is 85 dB
- Can the TLE2142CP be used as a comparator?
Yes, it can be used as a comparator with differential inputs maintained without damage
- What are the supply voltage ranges for the TLE2142CP?
The device can operate with single or split supplies from 4 V to 44 V
- What is the settling time of the TLE2142CP to 0.01%?
The settling time to 0.01% is 400 ns
- Is the TLE2142CP suitable for high-density system applications?
Yes, it is available in various packages including chip form for high-density applications
- What is the output swing of the TLE2142CP?
The output swing is nearly rail-to-rail, from VCC ± 0.1 V to VCC ± 1 V under light current-loading conditions
