Overview
The Texas Instruments LMC6484AIMX/NOPB is a quad rail-to-rail input and output CMOS operational amplifier. This device is part of the LMC648x series, known for its excellent common-mode range that extends to both supply rails, making it ideal for systems requiring a large input signal range. The LMC6484 is particularly suited for applications such as data acquisition and battery-operated systems due to its low-voltage characteristics and low power dissipation.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Manufacturer | Texas Instruments | |
| Mfr. Part # | LMC6484AIMX/NOPB | |
| Package | SOIC-14 | |
| Channel Count | Quad | |
| Input Offset Voltage (VOS) | ±0.11 mV to ±3.7 mV (TA = –40°C to +85°C) | |
| Input Bias Current (IB) | ±0.02 pA (TA = –40°C to +85°C) | |
| Common-Mode Rejection Ratio (CMRR) | 70 dB to 82 dB (TA = –40°C to +85°C) | |
| Slew Rate (SR) | 1.3 V/µs (V+ = 15V, 10V step) | |
| Gain Bandwidth (GBW) | 1.5 MHz | |
| Supply Voltage (VS) | Up to 16 V | |
| Operating Temperature Range | –40°C to +85°C | |
| Thermal Resistance (RθJA) | 83.0 °C/W (SOIC-14 package) |
Key Features
- Rail-to-Rail Input and Output: The LMC6484 provides a common-mode range that extends to both supply rails, ensuring maximum dynamic signal range in low-voltage and single-supply systems.
- Low Power Dissipation: Suitable for battery-operated systems due to its low power consumption.
- High CMRR: Excellent common-mode rejection ratio, making it ideal for applications requiring high accuracy.
- Low Input Bias Current: Input bias current as low as ±0.02 pA, reducing errors in high-impedance circuits.
- High Slew Rate and Gain Bandwidth: Slew rate of 1.3 V/µs and gain bandwidth of 1.5 MHz, ensuring fast and accurate signal processing.
Applications
- Data Acquisition Systems: Ideal for systems that require a large input signal range.
- Battery-Operated Devices: Suitable for low-power applications due to its low-voltage characteristics and low power dissipation.
- Audio and Video Equipment: The rail-to-rail output swing and high CMRR make it a good choice for audio and video signal processing.
- Medical Devices: Can be used in medical equipment where high accuracy and low noise are critical.
- Industrial Control Systems: Useful in industrial control systems that require precise signal amplification.
Q & A
- What is the package type of the LMC6484AIMX/NOPB?
The LMC6484AIMX/NOPB is available in a SOIC-14 package.
- How many channels does the LMC6484AIMX/NOPB have?
The LMC6484AIMX/NOPB is a quad operational amplifier, meaning it has four channels.
- What is the typical slew rate of the LMC6484AIMX/NOPB?
The typical slew rate is 1.3 V/µs.
- What is the gain bandwidth of the LMC6484AIMX/NOPB?
The gain bandwidth is 1.5 MHz.
- What is the operating temperature range of the LMC6484AIMX/NOPB?
The operating temperature range is –40°C to +85°C.
- What is the maximum supply voltage for the LMC6484AIMX/NOPB?
The maximum supply voltage is up to 16 V.
- What is the input bias current of the LMC6484AIMX/NOPB?
The input bias current is as low as ±0.02 pA.
- What is the common-mode rejection ratio (CMRR) of the LMC6484AIMX/NOPB?
The CMRR is between 70 dB to 82 dB.
- Is the LMC6484AIMX/NOPB suitable for battery-operated systems?
Yes, it is suitable due to its low power dissipation and low-voltage characteristics.
- What are some typical applications of the LMC6484AIMX/NOPB?
Typical applications include data acquisition systems, battery-operated devices, audio and video equipment, medical devices, and industrial control systems.
