Overview
The TLE2142CDRG4 is a high-performance, dual low-noise, high-speed precision 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 products and is known for its low audio-band noise, high slew rate, and fast settling time, making it suitable for various high-fidelity and high-speed applications.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Input Offset Voltage | 500 μV (max), 1400 μV (typ) | μV |
| Temperature Coefficient of Input Offset Voltage | 1.7 μV/°C (typ) | μV/°C |
| Slew Rate | 40 V/μs (typ) | V/μs |
| Unity Gain Bandwidth | 5.9 MHz (typ) | MHz |
| Settling Time (0.1% of 10-V step) | 340 ns (typ) | ns |
| Common-Mode Rejection Ratio (CMRR) | 85 dB (min) | dB |
| Supply-Voltage Rejection Ratio (kSVR) | 90 dB (min) | dB |
| Supply Voltage Range | ±2 V to ±22 V | V |
| Operating Temperature Range | 0°C to 70°C (C-suffix), -40°C to 105°C (I-suffix), -55°C to 125°C (M-suffix) | °C |
| Package Type | 8-pin Small Outline (SOIC) |
Key Features
- Low audio-band noise of 10.5 nV/√Hz with a 10-Hz 1/f corner
- High slew rate of 40 V/μs
- Fast settling time of 340 ns to 0.1% of a 10-V step
- Stable with capacitive loads up to 10 nF
- Nearly rail-to-rail output swing under light current-loading conditions
- Internally limited output current to prevent damage from shorts to supply
- Improved insensitivity to inherent integrated circuit component mismatches
Applications
- High-fidelity audio applications due to low distortion and high power bandwidth
- Fast actuator/positioning drivers due to fast settling time
- Low-droop sample-and-holds and direct buffering of long cables
- 4-mA to 20-mA current loops
- Comparators and other high-speed precision applications
Q & A
- What is the typical input offset voltage of the TLE2142CDRG4?
The typical input offset voltage is 500 μV (max) and 1400 μV (typ).
- What is the slew rate of the TLE2142CDRG4?
The slew rate is typically 40 V/μs.
- What is the unity gain bandwidth of the TLE2142CDRG4?
The unity gain bandwidth is typically 5.9 MHz.
- How long does it take for the TLE2142CDRG4 to settle to 0.1% of a 10-V step?
The settling time to 0.1% of a 10-V step is typically 340 ns.
- What is the common-mode rejection ratio (CMRR) of the TLE2142CDRG4?
The CMRR is at least 85 dB.
- What is the supply-voltage rejection ratio (kSVR) of the TLE2142CDRG4?
The kSVR is at least 90 dB.
- What is the operating temperature range for the TLE2142CDRG4?
The operating temperature range depends on the suffix: 0°C to 70°C (C-suffix), -40°C to 105°C (I-suffix), and -55°C to 125°C (M-suffix).
- In what package type is the TLE2142CDRG4 available?
The TLE2142CDRG4 is available in an 8-pin Small Outline (SOIC) package.
- Can the TLE2142CDRG4 be used as a comparator?
Yes, the TLE2142CDRG4 can also be used as a comparator.
- Is the TLE2142CDRG4 stable with capacitive loads?
Yes, the device is stable with capacitive loads up to 10 nF, although the bandwidth decreases at high loading levels.
