Overview
The TLC2272AMDREPG4 is a dual, low-noise, rail-to-rail operational amplifier produced by Texas Instruments. This device is part of the TLC227x family, which is known for its high performance and versatility in various analog applications. The TLC2272 is designed to offer enhanced ac performance, lower noise, and lower input offset voltage compared to existing CMOS operational amplifiers. It is fully characterized for both single-supply and split-supply operations, making it suitable for a wide range of applications, including hand-held monitoring, remote sensing, and interfacing with analog-to-digital converters (ADCs).
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Gain-Bandwidth Product (GBW) | 2.18 | MHz |
| Slew Rate | 3.6 | V/µs |
| Input Offset Voltage (Vos) | 950 | µV (Max at TA = 25°C) |
| Input Bias Current | 1 | pA (Typ) |
| Noise Voltage | 9 | nV/√Hz (Typ at f = 1 kHz) |
| Output Current | 2.2 | mA (Typ) |
| Quiescent Current per Channel | 1.5 | mA (Max) |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | TSSOP (PW) |
Key Features
- Output swing includes both supply rails, enhancing 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.
- Fully specified for both single-supply and split-supply operation.
- Common-mode input voltage range includes negative rail.
- High gain-bandwidth product: 2.18 MHz typical.
- High slew rate: 3.6 V/µs typical.
- Low input offset voltage: 950 µV maximum at TA = 25°C.
- Macromodel included for simulation.
- Performance upgrades for the TLC272 and TLC274.
- Available in Q-Temp Automotive HighRel Automotive Applications Configuration.
Applications
The TLC2272 is suitable for a variety of applications due to its high performance and low power consumption. Key applications include:
- Hand-held monitoring and remote-sensing applications due to micropower dissipation levels.
- Small-signal conditioning for high-impedance sources such as piezoelectric transducers.
- Interfacing with analog-to-digital converters (ADCs) due to its rail-to-rail output feature.
- Precision applications where low noise and low input offset voltage are critical.
- Upgrades to existing designs using TLC272 and TLC274, offering increased output dynamic range and lower noise.
Q & A
- What is the typical gain-bandwidth product of the TLC2272?
The typical gain-bandwidth product of the TLC2272 is 2.18 MHz.
- What is the slew rate of the TLC2272?
The slew rate of the TLC2272 is 3.6 V/µs typical.
- What is the maximum input offset voltage of the TLC2272?
The maximum input offset voltage of the TLC2272 is 950 µV at TA = 25°C.
- What is the typical input bias current of the TLC2272?
The typical input bias current of the TLC2272 is 1 pA.
- What is the noise voltage of the TLC2272 at 1 kHz?
The noise voltage of the TLC2272 at 1 kHz is 9 nV/√Hz typical.
- What are the common applications of the TLC2272?
The TLC2272 is commonly used in hand-held monitoring, remote sensing, small-signal conditioning, and interfacing with ADCs.
- What package types are available for the TLC2272?
The TLC2272 is available in various packages, including TSSOP (PW).
- What is the operating temperature range of the TLC2272?
The operating temperature range of the TLC2272 is -40°C to 125°C.
- Is the TLC2272 suitable for automotive applications?
Yes, the TLC2272 is available in configurations that meet automotive standards and is suitable for automotive applications.
- What are the upgrades offered by the TLC2272 compared to older models?
The TLC2272 offers increased output dynamic range, lower noise voltage, and lower input offset voltage compared to older models like the TLC272 and TLC274.
