Overview
The LM6142BIMX/NOPB is a dual operational amplifier produced by Texas Instruments. It is designed to offer high performance with rail-to-rail input and output capabilities, making it suitable for a wide range of applications, including battery-operated systems, portable instrumentation, and other low-voltage supply environments. The LM6142 features advanced circuit topologies that enhance its stability and performance when driving capacitive loads.
Key Specifications
| Parameter | Conditions | Typical Value | Units |
|---|---|---|---|
| Supply Voltage | 1.8V to 24V | - | V |
| Input Offset Voltage | V+ = 5V, V− = 0V, VCM = VO = V+/2 | 0.3 to 2.5 | mV |
| Input Bias Current | 0V ≤ VCM ≤ 5V | 170 to 300 | nA |
| Common Mode Rejection Ratio | 0V ≤ VCM ≤ 5V | 82 to 107 | dB |
| Power Supply Rejection Ratio | 5V ≤ V+ ≤ 24V | 78 to 87 | dB |
| Gain-Bandwidth Product | f = 50 kHz | 17 MHz | MHz |
| Slew Rate | Small Signal, V+ = 12V | 25 V/μs | V/μs |
| Output Swing | RL = 10kΩ | 0.005 to 4.995 | V |
| Junction Temperature | - | -65°C to +150°C | °C |
| Operating Temperature | - | -40°C to +85°C | °C |
Key Features
- Rail-to-Rail Input and Output: The LM6142 operates with input common-mode voltage range from -0.25V to 5.25V and output swing from 0.005V to 4.995V, making it versatile for low-voltage applications.
- High Gain-Bandwidth Product: With a gain-bandwidth product of 17 MHz at 50 kHz, this amplifier is suitable for high-frequency applications.
- High Slew Rate: The LM6142 has a small signal slew rate of 25 V/μs and a large signal slew rate of 30 V/μs, ensuring fast response times.
- Low Power Consumption: Each amplifier consumes a typical supply current of 510 μA to 800 μA, depending on the supply voltage.
- Stability with Capacitive Loads: The LM6142 can drive capacitive loads up to 1000 pF without oscillation, thanks to its advanced circuit topologies.
- Wide Operating Temperature Range: The device operates from -40°C to +85°C, making it suitable for various environmental conditions.
Applications
- Battery-Operated Systems: Ideal for portable and battery-powered devices due to its low power consumption and wide supply voltage range.
- Portable Instrumentation: Suitable for handheld instruments and other portable measurement devices.
- Audio and Video Equipment: Can be used in audio and video circuits requiring high fidelity and low distortion.
- Medical Devices: Applicable in medical equipment where precision and stability are crucial.
- Industrial Automation: Used in control systems and sensors in industrial automation environments.
Q & A
- What is the supply voltage range of the LM6142BIMX/NOPB?
The supply voltage range is from 1.8V to 24V.
- What is the typical input offset voltage of the LM6142BIMX/NOPB?
The typical input offset voltage is 0.3 mV to 2.5 mV.
- What is the gain-bandwidth product of the LM6142BIMX/NOPB?
The gain-bandwidth product is 17 MHz at 50 kHz.
- Can the LM6142BIMX/NOPB drive capacitive loads?
Yes, it can drive capacitive loads up to 1000 pF without oscillation.
- What is the operating temperature range of the LM6142BIMX/NOPB?
The operating temperature range is from -40°C to +85°C.
- What is the typical slew rate of the LM6142BIMX/NOPB?
The typical small signal slew rate is 25 V/μs.
- Is the LM6142BIMX/NOPB RoHS compliant?
Yes, it is RoHS compliant.
- What is the package type of the LM6142BIMX/NOPB?
The package type is SOIC-8.
- What are some common applications of the LM6142BIMX/NOPB?
Common applications include battery-operated systems, portable instrumentation, audio and video equipment, medical devices, and industrial automation.
- How much current does each amplifier in the LM6142BIMX/NOPB typically consume?
Each amplifier typically consumes 510 μA to 800 μA of supply current.
