Overview
The TLC2274AMDR is a quadruple operational amplifier from Texas Instruments, part of the TLC227x family. This device is known for its advanced LinCMOS™ technology, which provides stable input offset voltages, very high input impedances, and extremely low noise levels. It is designed for high-speed applications, offering a bandwidth of 2 MHz and a slew rate of 3.6 V/μs. The TLC2274AMDR is fully specified for both single-supply and split-supply operations, making it versatile for various applications.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage (VIO) | VIC = 0 V, VDD± = ±2.5 V, VO = 0 V, RS = 50 Ω, TA = 25°C | 300 | 950 | 2500 | μV |
| Slew Rate (SR) | VO = ±2.3 V, RL = 10 kΩ, CL = 100 pF, TA = 25°C | 2.3 | 3.6 | - | V/μs |
| Gain-Bandwidth Product | f = 10 kHz, RL = 10 kΩ, CL = 100 pF | - | 2.2 | - | MHz |
| Input Bias Current (IIO) | VIC = 0 V, VDD± = ±2.5 V, VO = 0 V, RS = 50 Ω, TA = 25°C | 0.5 | 60 | - | pA |
| Common-Mode Input Voltage Range | - | - | - | Includes Negative Rail | - |
| Operating Temperature Range | - | - | - | -55°C to 125°C | - |
Key Features
- Rail-to-Rail Output Performance: Increased dynamic range in single- or split-supply applications.
- Low Noise: 9 nV/√Hz typical at f = 1 kHz.
- Low Input Bias Current: 1 pA typical.
- High Gain-Bandwidth Product: 2.2 MHz typical.
- High Slew Rate: 3.6 V/μs typical.
- Low Input Offset Voltage: 950 μV maximum at TA = 25°C.
- Common-Mode Input Voltage Range Includes Negative Rail: Suitable for a wide range of input signals.
- Macromodel Included: For simulation and design purposes.
- Qualified for Automotive Applications: Meets AEC-Q100 standards.
- Available in Extreme Temperature Range: Operates from –40°C to 150°C.
Applications
- Hand-held Monitoring Systems: Ideal for battery-powered devices due to low power consumption.
- Transducer Interfaces: Suitable for small-signal conditioning from high-impedance sources like piezoelectric transducers.
- White Goods (Refrigerators, Washing Machines): Reliable operation in consumer electronics.
- Battery-Powered Applications: Efficient for devices requiring low power dissipation.
- Configuration Control and Print Support: Used in various industrial control systems.
- Extreme Temperature Applications: Suitable for environments with wide temperature ranges.
Q & A
- What is the typical input offset voltage of the TLC2274AMDR?
The typical input offset voltage is 950 μV at TA = 25°C.
- What is the slew rate of the TLC2274AMDR?
The slew rate is 3.6 V/μs typical.
- What is the gain-bandwidth product of the TLC2274AMDR?
The gain-bandwidth product is 2.2 MHz typical.
- What is the common-mode input voltage range of the TLC2274AMDR?
The common-mode input voltage range includes the negative rail.
- Is the TLC2274AMDR qualified for automotive applications?
Yes, it is qualified in accordance with AEC-Q100 standards.
- What is the operating temperature range of the TLC2274AMDR?
The operating temperature range is from –40°C to 125°C.
- What is the typical input bias current of the TLC2274AMDR?
The typical input bias current is 1 pA.
- Is the TLC2274AMDR suitable for battery-powered applications?
Yes, it is suitable due to its low power dissipation.
- What is the noise voltage of the TLC2274AMDR?
The noise voltage is 9 nV/√Hz typical at f = 1 kHz.
- Does the TLC2274AMDR support single-supply and split-supply operations?
Yes, it is fully specified for both single-supply and split-supply operations.
