Overview
The TLC2272CPSR is a dual operational amplifier from Texas Instruments, part of the TLC227x family. These devices are known for their advanced LinCMOS technology, offering improved performance over traditional CMOS operational amplifiers. They feature rail-to-rail output performance, which increases the dynamic range in both single-supply and split-supply applications. The TLC2272 is characterized by its high input impedance, low noise, and low power dissipation, making it ideal for small-signal conditioning, particularly for high-impedance sources such as piezoelectric transducers.
Key Specifications
| Parameter | Typical | Maximum | Unit |
|---|---|---|---|
| Input Offset Voltage | 2500 µV (TLC2272), 950 µV (TLC2272A) | 3000 µV (TLC2272), 1500 µV (TLC2272A) | µV |
| Input Bias Current | 1 pA | 60 pA | pA |
| Gain-Bandwidth Product | 2.2 MHz | MHz | |
| Slew Rate | 3.6 V/µs | V/µs | |
| Common-Mode Input Voltage Range | -0.3 to 4 V | V | |
| Supply Voltage Range | 2.7 V to 16 V | V | |
| Operating Temperature Range | 0 to 70 °C | °C | |
| Package Type | SOIC (8), TSSOP (8), SO (8), PDIP (8) |
Key Features
- Rail-to-Rail Output Performance: Increased dynamic range in single-supply and 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 for TLC2272A.
- Common-Mode Input Voltage Range Includes Negative Rail: Suitable for a wide range of input signals.
- Macromodel Included: For simulation and design purposes.
- Performance Upgrades: Over the TLC272 and TLC274 series.
- Available in Q-Temp Automotive Grades: For automotive and high-reliability applications.
Applications
- Hand-held Monitoring Systems: Due to low power consumption and small size.
- Remote-Sensing Applications: Suitable for battery-powered equipment.
- Transducer Interfaces: Ideal for high-impedance sources like piezoelectric transducers.
- Analog-to-Digital Converter (ADC) Interfaces: Rail-to-rail output feature is beneficial.
- White Goods (Refrigerators, Washing Machines): For precision and reliability in consumer electronics.
- Battery-Powered Equipment: High density and low power consumption make it ideal.
Q & A
- What is the typical input offset voltage of the TLC2272?
The typical input offset voltage of the TLC2272 is 2500 µV, while the TLC2272A has a typical input offset voltage of 950 µV.
- What is the gain-bandwidth product of the TLC2272?
The gain-bandwidth product of the TLC2272 is 2.2 MHz typical.
- What is the slew rate of the TLC2272?
The slew rate of the TLC2272 is 3.6 V/µs typical.
- What is the common-mode input voltage range of the TLC2272?
The common-mode input voltage range of the TLC2272 includes the negative rail and extends up to 4 V.
- What are the available package types for the TLC2272?
The TLC2272 is available in SOIC (8), TSSOP (8), SO (8), and PDIP (8) packages.
- What is the operating temperature range of the TLC2272?
The operating temperature range of the TLC2272 is 0 to 70 °C.
- Is the TLC2272 suitable for high-impedance sources?
Yes, the TLC2272 is excellent for small-signal conditioning for high-impedance sources such as piezoelectric transducers due to its high input impedance and low noise.
- Can the TLC2272 be used in automotive applications?
Yes, the TLC2272 is available in Q-Temp automotive grades, making it suitable for automotive and high-reliability applications.
- What are some typical applications of the TLC2272?
The TLC2272 is typically used in hand-held monitoring systems, remote-sensing applications, transducer interfaces, ADC interfaces, and battery-powered equipment.
- Does the TLC2272 have a macromodel available?
Yes, the TLC2272 includes a macromodel for simulation and design purposes.
