Overview
The TLC2274AMDREP is a quadruple operational amplifier from Texas Instruments, part of the TLC227xA family. This device is known for its advanced LinCMOS™ technology, which provides stable input offset voltages, high input impedances, and extremely low noise. It is designed to operate in both single-supply and split-supply configurations, offering a high dynamic range due to its rail-to-rail output performance. The TLC2274AMDREP is suitable for a wide range of applications, including high-speed operations, small-signal conditioning, and extreme temperature environments.
Key Specifications
| Parameter | Typical Value | Maximum Value | Unit |
|---|---|---|---|
| Input Offset Voltage (VIO) | 2500 µV | 950 µV (A version) | µV |
| Input Bias Current (IIB) | 1 pA | 60 pA | pA |
| Common-Mode Input Voltage Range (VICR) | -0.3 to 4 V | - | V |
| High-Level Output Voltage (VOH) | 4.93 V (IOH = -200 µA) | 4.25 V (IOH = -1 mA) | V |
| Gain Bandwidth Product | 2.2 MHz | - | MHz |
| Slew Rate | 3.6 V/µs | - | V/µs |
| Phase Margin at Unity Gain | 52° | - | ° |
| Settling Time (to 0.1%) | 1.5 µs | - | µs |
| Noise Voltage | 9 nV/√Hz at f = 1 kHz | - | nV/√Hz |
Key Features
- Rail-to-Rail Output Performance: Increased dynamic range in single- or split-supply applications.
- Low Input Bias Current: 1 pA typical, ensuring minimal current draw from the input source.
- High Gain Bandwidth and Slew Rate: 2.2 MHz and 3.6 V/µs respectively, suitable for higher-speed applications.
- Low Noise: 9 nV/√Hz at f = 1 kHz, two times lower than competitive solutions.
- Common-Mode Input Voltage Range Includes Negative Rail: Flexible operation in various voltage configurations.
- Macromodel Included: For easier simulation and design integration.
- Extended Temperature Performance: Qualified for –55°C to 125°C, making it suitable for extreme temperature applications.
- Controlled Baseline and Enhanced Product Change Notification: Ensuring reliability and stability in production.
Applications
- Hand-held Monitoring Systems: Ideal for battery-powered devices due to low power dissipation.
- Transducer Interfaces: Suitable for small-signal conditioning from high-impedance sources like piezoelectric transducers.
- Automotive Applications: Qualified in accordance with AEC-Q100 standards.
- White Goods and Industrial Control Systems: Used in appliances such as refrigerators and washing machines.
- Analog-to-Digital Converter Interfaces: The rail-to-rail output feature makes it a great choice for interfacing with ADCs).
Q & A
- What is the typical input offset voltage of the TLC2274AMDREP?
The typical input offset voltage is 2500 µV, with a maximum of 950 µV for the A version).
- What is the input bias current of the TLC2274AMDREP?
The input bias current is typically 1 pA, with a maximum of 60 pA).
- What is the gain bandwidth product of the TLC2274AMDREP?
The gain bandwidth product is 2.2 MHz).
- What is the slew rate of the TLC2274AMDREP?
The slew rate is 3.6 V/µs).
- What is the noise voltage of the TLC2274AMDREP?
The noise voltage is 9 nV/√Hz at f = 1 kHz).
- What is the common-mode input voltage range of the TLC2274AMDREP?
The common-mode input voltage range includes the negative rail and extends up to 4 V).
- Is the TLC2274AMDREP suitable for extreme temperature applications?
Yes, it is qualified for –55°C to 125°C).
- What are some typical applications of the TLC2274AMDREP?
It is used in hand-held monitoring systems, transducer interfaces, automotive applications, white goods, and analog-to-digital converter interfaces).
- Does the TLC2274AMDREP have any special packaging or manufacturing features?
Yes, it has controlled baseline, one assembly/test site, one fabrication site, and enhanced product change notification).
- Is a macromodel available for the TLC2274AMDREP?
Yes, a macromodel is included for easier simulation and design integration).
