Overview
The TLE2142CPWR is a high-performance, internally compensated operational amplifier produced by Texas Instruments. It is part of the TLE214x and TLE214xA series, built using Texas Instruments' complementary bipolar Excalibur process. This device is a pin-compatible upgrade to standard industry operational amplifiers and is known for its low noise, high speed, and precision characteristics.
The TLE2142CPWR is available in various packages, including the TSSOP (Thin Shrink Small Outline Package) and is characterized for operation from 0°C to 70°C. It is suitable for a wide range of applications requiring high precision and low noise.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage | At 25°C | 220 | 500 | 1900 | µV |
| Temperature Coefficient of Input Offset Voltage | Full range | 1.7 | 1.7 | 1.7 | µV/°C |
| Positive Slew Rate | AVD = −1, RL = 2 kΩ, CL = 100 pF | 27 | 45 | 45 | V/µs |
| Negative Slew Rate | AVD = 1, RL = 2 kΩ, CL = 500 pF | 27 | 42 | 42 | V/µs |
| Settling Time to 0.1% | AVD = −1, 10-V step | 0.34 | 0.34 | 0.34 | ns |
| Settling Time to 0.01% | AVD = 1, 2.5-V step | 0.22 | 0.22 | 0.22 | ns |
| Common-Mode Rejection Ratio | VCC ± = ±2.5 V to ±15 V | 85 | 85 | 85 | dB |
| Supply-Voltage Rejection Ratio | VCC ± = ±2.5 V to ±15 V | 90 | 90 | 90 | dB |
| Short-Circuit Output Current | VO = 0, VID = 1 V at 25°C | 20 | 31 | 31 | mA |
| Supply Current | No load at 25°C | 3.5 | 4.5 | 4.5 | mA |
| Operating Temperature Range | 0 | 70 | °C |
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%.
- Large Output Swing: Nearly rail-to-rail output swing of VCC ± 0.1 to VCC ± 1 V under light current-loading conditions.
- High Slew Rate: 27 V/µs to 45 V/µs.
- Low Input Offset Voltage: Maximum 500 µV at 25°C.
- Single or Split Supply Operation: 4 V to 44 V).
- Stable with Capacitive Loads: Up to 10 nF).
- Short-Circuit Protection: Internally limited output current to prevent damage).
Applications
- 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).
- Fast Actuator/Positioning Drivers: Beneficial for applications needing low audio-band noise and fast settling times).
- Comparators: Can be used as comparators with differential inputs maintained without damage to the device).
- High-Density System Applications: Available in various packages including chip form for high-density systems).
Q & A
- What is the operating temperature range of the TLE2142CPWR?
The operating temperature range is from 0°C to 70°C).
- What is the input offset voltage of the TLE2142CPWR?
The maximum input offset voltage is 500 µV at 25°C).
- What is the slew rate of the TLE2142CPWR?
The positive slew rate is 27 V/µs to 45 V/µs, and the negative slew rate is 27 V/µs to 42 V/µs).
- Can the TLE2142CPWR handle capacitive loads?
Yes, it is stable with capacitive loads up to 10 nF).
- What is the settling time of the TLE2142CPWR?
The settling time to 0.1% is 340 ns, and to 0.01% is 400 ns).
- Does the TLE2142CPWR have short-circuit protection?
Yes, it has internally limited output current to prevent damage from short circuits).
- What is the common-mode rejection ratio of the TLE2142CPWR?
The common-mode rejection ratio is 85 dB).
- Can the TLE2142CPWR be used as a comparator?
Yes, it can be used as a comparator with differential inputs maintained without damage to the device).
- What is the supply voltage range for the TLE2142CPWR?
The supply voltage range is from 4 V to 44 V for single or split supply operation).
- In what packages is the TLE2142CPWR available?
The TLE2142CPWR is available in various packages, including TSSOP and chip form for high-density systems).
