Overview
The TLC2272AQDR is a dual, low-noise, rail-to-rail operational amplifier from Texas Instruments. It is part of the TLC227x family, which is known for its high performance and versatility in various applications. This device is fully specified for both single-supply and split-supply operation, making it suitable for a wide range of electronic systems.
The TLC2272AQDR features advanced LinCMOS technology, which provides low noise, low input bias current, and high slew rate, making it ideal for high-speed and precision applications.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage (VIO) | VIC = 0 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 | 1.7 | V/μs |
| Input Bias Current (IIB) | VIC = 0 V, VDD± = ±2.5 V, VO = 0 V, RS = 50 Ω, TA = 25°C | 1 | 60 | 800 | pA |
| Common-Mode Input Voltage Range (VICR) | RS = 50 Ω; |VIO| ≤ 5 mV, TA = 25°C | –0.3 | 2.5 | 4 | V |
| High-Level Output Voltage (VOH) | IOH = –20 μA, TA = 25°C | 4.85 | 4.99 | 4.85 | V |
| Gain-Bandwidth Product | TA = 25°C | 2.2 | MHz |
Key Features
- Low input bias current: 1 pA typical
- Fully specified for both single-supply and split-supply operation
- Common-mode input voltage range includes negative rail
- High gain-bandwidth: 2.2 MHz typical
- High slew rate: 3.6 V/μs typical
- Low input offset voltage: 950 μV maximum at TA = 25°C
- Low noise: 9 nV/√Hz typical at f = 1 kHz
- Macromodel included for simulation
- AEC-Q100 qualified for automotive applications (temperature grade 1: –40°C to 125°C)
Applications
- Automotive systems: body control module, battery management system, car audio, DC/DC converter, electric power steering, engine control unit, transmission control
- White goods: refrigerators, washing machines
- Hand-held monitoring systems
- Transducer interfaces
- Battery-powered applications
- Instrument clusters, inverter and motor control, on-board charger, telematics control unit
Q & A
- What is the typical input offset voltage of the TLC2272AQDR?
The typical input offset voltage is 950 μV at TA = 25°C.
- What is the slew rate of the TLC2272AQDR?
The slew rate is 3.6 V/μs typical at unity gain.
- Is the TLC2272AQDR suitable for automotive applications?
Yes, it is AEC-Q100 qualified for automotive applications with a temperature range of –40°C to 125°C.
- What is the common-mode input voltage range of the TLC2272AQDR?
The common-mode input voltage range includes the negative rail and up to 4 V.
- What is the gain-bandwidth product of the TLC2272AQDR?
The gain-bandwidth product is 2.2 MHz typical.
- Does the TLC2272AQDR support single-supply and split-supply operation?
Yes, it is fully specified for both single-supply and split-supply operation.
- What is the input bias current of the TLC2272AQDR?
The input bias current is 1 pA typical.
- Is the TLC2272AQDR available in different temperature grades?
Yes, it is available in various temperature grades, including Q-Temp Automotive 2 and AEC-Q100 qualified versions.
- What are some common applications of the TLC2272AQDR?
Common applications include automotive systems, white goods, hand-held monitoring systems, transducer interfaces, and battery-powered applications.
- Does the TLC2272AQDR have low noise characteristics?
Yes, it has low noise characteristics with 9 nV/√Hz typical at f = 1 kHz.
