Overview
The LMC6482IN/NOPB, produced by Texas Instruments, is an ultra-low bias current, precision CMOS rail-to-rail input and output dual operational amplifier. This device is designed to offer high performance and low power consumption, making it suitable for a wide range of applications, including battery-operated systems. The LMC6482 features a common-mode range that extends to both supply rails, ensuring robust performance across various operating conditions.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage (VOS) | TA = –40°C to +85°C | ±0.11 | ±0.75 | ±1.35 | mV |
| Input Bias Current (IB) | TA = –40°C to +85°C | ±0.02 | ±4 | pA | |
| Common-Mode Rejection Ratio (CMRR) | 0V ≤ VCM ≤ 15V, V+ = 15V | 70 | 82 | 67 | dB |
| Power-Supply Rejection Ratio (PSRR) | 5V ≤ V+ ≤ 15V, V– = 0V, VO = 2.5V | 70 | 82 | 67 | dB |
| Supply Current (IS) per Amplifier | V+ = 5V, VO = V+ / 2 | 0.5 | 0.7 | 0.9 | mA |
| Slew Rate (SR) | V+ = 15V, 10V step | 1 | 1.3 | 0.7 | V/µs |
| Gain Bandwidth (GBW) | V+ = 15V | 1.5 | MHz | ||
| Voltage Output Swing | V+ = 5V, RL = 2kΩ to V+ / 2 | 4.8 | 4.9 | 4.7 | V |
Key Features
- Rail-to-Rail Input and Output: The LMC6482 offers a common-mode range that extends to both supply rails, ensuring full utilization of the supply voltage range.
- Ultra-Low Bias Current: With an input bias current as low as ±0.02 pA, this device is ideal for applications requiring minimal input current.
- High Common-Mode Rejection Ratio (CMRR): The CMRR is typically 82 dB, providing excellent rejection of common-mode signals.
- Low Power Consumption: The device operates with a supply current of 0.5 mA to 0.9 mA per amplifier, making it suitable for battery-operated systems.
- High Slew Rate and Gain Bandwidth: The slew rate is 1.3 V/µs, and the gain bandwidth is 1.5 MHz, ensuring fast and accurate signal processing.
- Multiple Package Options: Available in PDIP, SOIC, and VSSOP packages, offering flexibility in design and implementation.
Applications
- Battery-Operated Systems: The low power consumption makes the LMC6482 an excellent choice for battery-powered devices.
- Medical Equipment: Suitable for medical devices due to its high precision and low noise characteristics.
- Audio and Video Equipment: Used in audio and video circuits where high fidelity and low distortion are required.
- Industrial Control Systems: Ideal for industrial control systems that require robust and reliable operational amplifiers.
- Portable Electronics: Suitable for portable electronics such as handheld devices and mobile equipment.
Q & A
- What is the input bias current of the LMC6482?
The input bias current of the LMC6482 is typically ±0.02 pA.
- What is the common-mode rejection ratio (CMRR) of the LMC6482?
The CMRR of the LMC6482 is typically 82 dB.
- What are the package options available for the LMC6482?
The LMC6482 is available in PDIP, SOIC, and VSSOP packages.
- What is the slew rate of the LMC6482?
The slew rate of the LMC6482 is 1.3 V/µs.
- What is the gain bandwidth of the LMC6482?
The gain bandwidth of the LMC6482 is 1.5 MHz.
- What is the typical supply current per amplifier for the LMC6482?
The typical supply current per amplifier for the LMC6482 is 0.7 mA.
- What is the voltage output swing of the LMC6482 when V+ = 5V and RL = 2kΩ?
The voltage output swing of the LMC6482 under these conditions is typically 4.9 V.
- Is the LMC6482 suitable for battery-operated systems?
Yes, the LMC6482 is suitable for battery-operated systems due to its low power consumption.
- What are some typical applications of the LMC6482?
The LMC6482 is typically used in battery-operated systems, medical equipment, audio and video equipment, industrial control systems, and portable electronics.
- What is the junction temperature range for the LMC6482?
The junction temperature range for the LMC6482 is –40°C to +85°C.
