Overview
The LMC6482AIMX/NOPB is a precision CMOS rail-to-rail input and output dual operational amplifier produced by Texas Instruments. This device is known for its ultra-low bias current and excellent common-mode rejection ratio (CMRR) and power-supply rejection ratio (PSRR). The LMC6482 is designed to operate in a wide range of supply voltages, making it versatile for various applications, including data acquisition, medical devices, and industrial control systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC (D) | - |
| Pins | 8 | - |
| Operating Temperature Range | -40 to 85 | °C |
| Supply Voltage Range | 3V to 15.5V | V |
| Input Offset Voltage | ±0.9 to ±3.7 | mV |
| Input Bias Current | ±0.02 | pA |
| Common-Mode Rejection Ratio (CMRR) | 60 to 74 | dB |
| Power-Supply Rejection Ratio (PSRR) | 60 to 82 | dB |
| Bandwidth | 1.5 MHz | - |
Key Features
- Rail-to-rail input common-mode voltage range (specified over temperature)
- Rail-to-rail output swing (within 20mV of supply rail, 100kΩ load)
- Specified performance at 3V, 5V, and 15V
- Excellent CMRR and PSRR: up to 82dB
- Ultra-low input current: 20fA
- Specified for 2kΩ and 600Ω loads
- Improved replacement for TLC272, TLC277
Applications
- Data acquisition (DAQ)
- Currency counter
- Oscilloscope (DSO)
- Intra-DC interconnect (METRO)
- Macro remote radio unit (RRU)
- Multiparameter patient monitor
- Merchant telecom rectifiers
- Train control and management
- Process analytics (pH, gas, concentration, force, and humidity)
- Three phase UPS
Q & A
- What is the package type of the LMC6482AIMX/NOPB?
The LMC6482AIMX/NOPB is available in an SOIC (D) package with 8 pins.
- What is the operating temperature range of the LMC6482AIMX/NOPB?
The operating temperature range is from -40°C to 85°C.
- What are the supply voltage ranges for the LMC6482AIMX/NOPB?
The device operates within a supply voltage range of 3V to 15.5V.
- What is the input bias current of the LMC6482AIMX/NOPB?
The input bias current is ultra-low, at ±0.02 pA.
- What are the key applications of the LMC6482AIMX/NOPB?
The device is used in data acquisition, medical devices, industrial control systems, and various other applications such as currency counters, oscilloscopes, and process analytics.
- What is the common-mode rejection ratio (CMRR) of the LMC6482AIMX/NOPB?
The CMRR is up to 74 dB, ensuring excellent accuracy and performance.
- Can the LMC6482AIMX/NOPB be used in battery-operated systems?
Yes, the device is suitable for battery-operated systems due to its low-power dissipation and specified low-voltage characteristics.
- What is the bandwidth of the LMC6482AIMX/NOPB?
The bandwidth of the LMC6482AIMX/NOPB is 1.5 MHz.
- Is the LMC6482AIMX/NOPB a replacement for other operational amplifiers?
Yes, it is an improved replacement for operational amplifiers such as the TLC272 and TLC277.
- What is the rail-to-rail output swing of the LMC6482AIMX/NOPB?
The device has a rail-to-rail output swing within 20mV of the supply rail for a 100kΩ load.
