Overview
The TLC2272IPWRG4 is a dual operational amplifier from Texas Instruments, part of the TLC227x family. These devices are known for their high performance, low noise, and low power consumption, making them ideal for a variety of applications. The TLC2272 exhibits rail-to-rail output performance, which increases the dynamic range in both single-supply and split-supply configurations. This family of operational amplifiers offers significant improvements over existing CMOS operational amplifiers, including better noise, input offset voltage, and power dissipation.
The TLC2272 is fully specified for operation at 5 V and ±5 V, and it is available in various packages, including the TSSOP (PW) package for the TLC2272IPWRG4 model.
Key Specifications
| Parameter | Typical Value | Maximum Value | Unit |
|---|---|---|---|
| Input Offset Voltage (VIO) | 2500 µV | 3000 µV | µV |
| Input Bias Current (IIB) | 1 pA | 60 pA | pA |
| Common-Mode Input Voltage Range (VICR) | -0.3 to 4 V | -0.3 to 4 V | V |
| Gain-Bandwidth Product | 2.2 MHz | - | MHz |
| Slew Rate (SR) | 3.6 V/µs | - | V/µs |
| Supply Current (IDD) | 2.4 mA | 3 mA | mA |
| Operating Temperature Range | 0°C to 70°C | -40°C to 125°C (Q level parts) | °C |
| Package Type | TSSOP (PW) | - | - |
Key Features
- Rail-to-Rail Output: Includes both supply rails for 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 the TLC2272A.
- Macromodel Included: For simulation purposes.
- Performance Upgrades: Over the TLC272 and TLC274.
- Automotive and Industrial Grades Available: Including Q-Temp automotive grades.
Applications
- Hand-held Monitoring Systems: Due to low power consumption and high performance.
- Transducer Interfaces: Ideal for high-impedance sources such as piezoelectric transducers.
- Battery-Powered Applications: Suitable for high-density, battery-powered equipment.
- White Goods (Refrigerators, Washing Machines): For precision and reliability in consumer electronics.
- Remote-Sensing Applications: Benefiting from micropower dissipation levels.
- Analog-to-Digital Converter (ADC) Interfaces: Due to rail-to-rail output feature.
Q & A
- What is the typical input offset voltage of the TLC2272?
The typical input offset voltage of the TLC2272 is 2500 µV, with a maximum of 3000 µV at TA = 25°C.
- What is the slew rate of the TLC2272?
The slew rate of the TLC2272 is typically 3.6 V/µs.
- What is the gain-bandwidth product of the TLC2272?
The gain-bandwidth product of the TLC2272 is typically 2.2 MHz.
- What is the common-mode input voltage range of the TLC2272?
The common-mode input voltage range of the TLC2272 is from -0.3 V to 4 V.
- What are the typical operating temperature ranges for the TLC2272?
The typical operating temperature range for the TLC2272 is 0°C to 70°C, with extended ranges for Q level parts (-40°C to 125°C).
- What package types are available for the TLC2272?
The TLC2272 is available in several package types, including TSSOP (PW).
- What are some common applications for the TLC2272?
Common applications include hand-held monitoring systems, transducer interfaces, battery-powered applications, and white goods.
- Does the TLC2272 support single-supply and split-supply operation?
Yes, the TLC2272 is fully specified for both single-supply and split-supply operation.
- What is the input bias current of the TLC2272?
The input bias current of the TLC2272 is typically 1 pA.
- 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.
