Overview
The LMC6462BIMX/NOPB is a dual micropower, rail-to-rail input and output CMOS operational amplifier produced by Texas Instruments. This device is part of the LMC6462 series, which is known for its ultra-low supply current and high performance in low-power applications. The LMC6462 is particularly suited for battery-powered systems and medical applications due to its low power consumption and high accuracy.
Key Specifications
| Parameter | Conditions | Typical Value | Maximum Value |
|---|---|---|---|
| Supply Voltage | 3.0V ≤ V+ ≤ 15.5V | - | 15.5V |
| Input Offset Voltage (VOS) | TJ = 25°C, V+ = 5V, V− = 0V | 0.25 mV | 3.0 mV |
| Input Offset Current (IOS) | TJ = 25°C, V+ = 5V, V− = 0V | 0.075 pA | 5 pA |
| Common-Mode Rejection Ratio (CMRR) | 0V ≤ VCM ≤ 15.0V, V+ = 15V | 85 dB | 65 dB |
| Power Supply Rejection Ratio (PSRR) | 5V ≤ V+ ≤ 15V, V− = 0V | 85 dB | 65 dB |
| Supply Current (IS) | V+ = +5V, VO = V+/2 | 40 μA (Dual), 80 μA (Quad) | 70 μA (Dual), 140 μA (Quad) |
| Output Short Circuit Current (ISC) | VO = 0V, V+ = 5V | 27 mA (Sourcing), 22 mA (Sinking) | 38 mA (Sourcing), 27 mA (Sinking) |
| Junction Temperature | - | - | 150°C |
Key Features
- Rail-to-Rail Input and Output: The LMC6462BIMX/NOPB features a rail-to-rail input and output range, allowing it to operate effectively in a wide range of voltage conditions.
- Ultra Low Supply Current: With a typical supply current of 40 μA per amplifier at 5V, this device is highly efficient for battery-powered applications.
- High CMRR and PSRR: The device offers high common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR), ensuring high accuracy and stability in various operating conditions.
- Low Input Offset Voltage and Current: The input offset voltage and current are minimized, contributing to the device's high precision.
- Capacitive Load Tolerance: The LMC6462BIMX/NOPB can drive capacitive loads without oscillation, making it suitable for a variety of applications.
Applications
- Battery-Powered Systems: Due to its low power consumption, the LMC6462BIMX/NOPB is ideal for battery-powered devices where energy efficiency is crucial.
- Medical Applications: The device's high accuracy and stability make it suitable for medical equipment and diagnostic tools.
- Portable Instruments: It can be used in portable light measuring instruments and other handheld devices requiring low power and high precision.
- General Analog Circuits: The LMC6462BIMX/NOPB can be used in various analog circuits requiring rail-to-rail operation and low power consumption.
Q & A
- What is the typical supply current of the LMC6462BIMX/NOPB at 5V?
The typical supply current is 40 μA per amplifier for the dual version and 80 μA for the quad version at 5V.
- What is the input offset voltage of the LMC6462BIMX/NOPB?
The typical input offset voltage is 0.25 mV, with a maximum value of 3.0 mV.
- What is the common-mode rejection ratio (CMRR) of the LMC6462BIMX/NOPB?
The CMRR is typically 85 dB, with a minimum value of 65 dB.
- Can the LMC6462BIMX/NOPB drive capacitive loads?
Yes, it can drive capacitive loads without oscillation, typically up to 200 pF at unity gain.
- What is the maximum junction temperature for the LMC6462BIMX/NOPB?
The maximum junction temperature is 150°C.
- What are the typical applications of the LMC6462BIMX/NOPB?
It is commonly used in battery-powered systems, medical applications, portable instruments, and general analog circuits.
- What is the output short circuit current of the LMC6462BIMX/NOPB?
The output short circuit current is typically 27 mA sourcing and 22 mA sinking at 5V.
- How does the LMC6462BIMX/NOPB handle input voltages exceeding the supply voltage?
The device can handle input voltages exceeding the supply voltage without phase inversion, but input current should be limited to ±5 mA to ensure reliability.
- What is the thermal resistance of the LMC6462BIMX/NOPB in an SOIC-8 package?
The thermal resistance (θJA) for the SOIC-8 package is 193°C/W.
- Is the LMC6462BIMX/NOPB RoHS compliant?
Yes, the LMC6462BIMX/NOPB is RoHS compliant.
