Overview
The LM6142AIMX/NOPB is a high-performance operational amplifier produced by Texas Instruments. It is part of the LM6142/LM6144 series, known for its rail-to-rail input and output capabilities, making it ideal for applications requiring low voltage supplies and high dynamic range. This op-amp features a unique input stage that prevents phase reversal and enhances slew rate, particularly beneficial when driving large capacitive loads. Operating over a wide supply voltage range from 1.8V to 24V, the LM6142AIMX/NOPB is suitable for various applications, including battery-operated systems, portable instrumentation, and other low-power consumption devices.
Key Specifications
| Parameter | Conditions | Typical Value | Units |
|---|---|---|---|
| Supply Voltage | 1.8V ≤ V+ ≤ 24V | - | V |
| Input Common-Mode Voltage Range | -0.25V to 5.25V | - | V |
| Output Swing | 0.005V to 4.995V (RL = 100kΩ) | - | V |
| Gain-Bandwidth Product | f = 50 kHz | 17 MHz | MHz |
| Slew Rate | Small Signal, 5V/μs; Large Signal, 30V/μs | - | V/μs |
| Input Offset Voltage | - | 0.3 mV to 2.5 mV | mV |
| Input Bias Current | - | 170 nA to 300 nA | nA |
| Operating Temperature Range | -40°C to +85°C | - | °C |
| Thermal Resistance (θJA) | SOIC D Package: 193°C/W | - | °C/W |
Key Features
- Rail-to-Rail Input and Output: The LM6142AIMX/NOPB offers a greater than rail-to-rail input voltage range (-0.25V to 5.25V) and rail-to-rail output swing, providing maximum dynamic range at the output.
- High Gain-Bandwidth Product: With a gain-bandwidth product of 17 MHz at 50 kHz, this op-amp is suitable for high-frequency applications.
- Enhanced Slew Rate: The unique input stage design prevents phase reversal and enhances the slew rate, especially when driving large capacitive loads.
- Low Supply Current: Operating with a supply current as low as 510 μA per amplifier, it is ideal for battery-powered systems.
- Wide Operating Temperature Range: The op-amp operates over a temperature range of -40°C to +85°C.
- High Common Mode Rejection Ratio (CMRR): With a CMRR of up to 107 dB, it provides excellent common-mode noise rejection.
Applications
- Battery-Operated Systems: The low power consumption and high performance make it suitable for battery-operated devices.
- Portable Instrumentation: Ideal for portable instrumentation due to its low voltage operation and high dynamic range.
- Capacitive Load Driving: The enhanced slew rate and phase reversal prevention make it capable of driving large capacitive loads without oscillation.
- Low-Power Consumption Devices: Suitable for applications where high power consumption was previously a limitation.
Q & A
- What is the supply voltage range of the LM6142AIMX/NOPB?
The supply voltage range is from 1.8V to 24V.
- What is the input common-mode voltage range of the LM6142AIMX/NOPB?
The input common-mode voltage range is from -0.25V to 5.25V.
- What is the gain-bandwidth product of the LM6142AIMX/NOPB?
The gain-bandwidth product is 17 MHz at 50 kHz.
- What is the slew rate of the LM6142AIMX/NOPB?
The slew rate is 5V/μs for small signals and 30V/μs for large signals.
- What is the operating temperature range of the LM6142AIMX/NOPB?
The operating temperature range is from -40°C to +85°C.
- What is the thermal resistance (θJA) of the SOIC D package?
The thermal resistance (θJA) of the SOIC D package is 193°C/W.
- Can the LM6142AIMX/NOPB drive large capacitive loads?
- What are the typical applications of the LM6142AIMX/NOPB?
- What is the input offset voltage of the LM6142AIMX/NOPB?
- What is the input bias current of the LM6142AIMX/NOPB?
