Overview
The LM6132AIMX, produced by National Semiconductor (now part of Texas Instruments), is a dual low power operational amplifier known for its high performance and versatility. This device is part of the LM6132 and LM6134 family, which offers rail-to-rail input and output capabilities, making it suitable for a wide range of applications, especially those requiring low power consumption and high speed.
Although the LM6132 has been discontinued, its features and specifications remain relevant for understanding its capabilities and potential uses in legacy systems or for educational purposes.
Key Specifications
| Parameter | Conditions | Typical Value | Units | Limit |
|---|---|---|---|---|
| Supply Voltage | 2.7 V to 24 V | - | V | - |
| Supply Current Per Amplifier | - | 360 μA | μA | 450 μA max |
| Gain-Bandwidth Product | f = 20 kHz | 10 MHz | MHz | 7 MHz min |
| Slew Rate | ±4V @ VS = ±6V | 12 V/μs | V/μs | 8 V/μs min |
| Input Offset Voltage | - | 0.12 mV to 6 mV | mV | 12 mV max |
| Common Mode Rejection Ratio (CMRR) | 0V ≤ VCM ≤ 2.7V | 82 dB | dB | - |
| Power Supply Rejection Ratio (PSRR) | ±1.35V ≤ V+ ≤ ±12V | 80 dB | dB | - |
| Input Common-Mode Voltage Range | - | -0.25 V to 5.25 V | V | - |
| Output Swing | RL = 10k | 0.01V to 4.99V | V | - |
Key Features
- Rail-to-Rail Input and Output: The LM6132AIMX features rail-to-rail input and output capabilities, allowing it to operate effectively with low supply voltages and providing maximum dynamic range at the output.
- High Gain-Bandwidth Product: With a gain-bandwidth product of 10 MHz, this amplifier supports high-speed applications.
- Low Supply Current: It has a low supply current of 360 μA per amplifier, making it suitable for battery-operated devices.
- Wide Supply Voltage Range: The device can operate on supplies from 2.7 V to over 24 V, making it versatile for various applications.
- Enhanced Slew Rate: The unique phase reversal prevention/speed-up circuit in the input stage allows for a slew rate that is a function of the input signal amplitude, improving performance with capacitive loads.
- Large Capacitive Drive Capability: It can drive large capacitive loads without oscillating, which is beneficial for applications like LCD display drivers.
Applications
- Battery Operated Instrumentation: Ideal for battery-operated systems due to its low power consumption and high performance.
- Instrumentation Amplifiers: Suitable for high-speed instrumentation applications.
- Portable Scanners and Wireless Communications: Its low power and high speed make it a good fit for portable and wireless communication devices.
- Flat Panel Display Drivers: The large capacitive drive capability makes it useful for driving highly capacitive loads in LCD display drivers.
- General Purpose Amplification: Can be used in various general-purpose amplification tasks due to its wide supply voltage range and rail-to-rail capabilities.
Q & A
- What is the typical supply current per amplifier for the LM6132AIMX?
The typical supply current per amplifier is 360 μA.
- What is the gain-bandwidth product of the LM6132AIMX?
The gain-bandwidth product is 10 MHz at a frequency of 20 kHz.
- What is the slew rate of the LM6132AIMX?
The slew rate is 12 V/μs.
- What is the input common-mode voltage range for the LM6132AIMX?
The input common-mode voltage range is -0.25 V to 5.25 V.
- Can the LM6132AIMX drive large capacitive loads?
- What is the typical input offset voltage for the LM6132AIMX?
The typical input offset voltage ranges from 0.12 mV to 6 mV.
- What is the common mode rejection ratio (CMRR) of the LM6132AIMX?
The CMRR is 82 dB.
- What is the power supply rejection ratio (PSRR) of the LM6132AIMX?
The PSRR is 80 dB.
- What are some typical applications of the LM6132AIMX?
Typical applications include battery-operated instrumentation, instrumentation amplifiers, portable scanners, wireless communications, and flat panel display drivers.
- Is the LM6132AIMX still in production?
No, the LM6132AIMX has been discontinued by Texas Instruments.
