Overview
The TLC2272ACPW is a dual operational amplifier from Texas Instruments, part of the TLC227x family. Although this specific part is no longer in production, it remains a significant component in many existing designs. This device is known for its rail-to-rail output performance, which enhances dynamic range in both single-supply and split-supply applications. The TLC2272ACPW offers a bandwidth of 2.2 MHz and a slew rate of 3.6 V/μs, making it suitable for high-speed operations. It features low noise, with a typical noise voltage of 9 nV/√Hz at 1 kHz, and low input offset voltage, with a maximum of 950 μV at 25°C. These characteristics make it an excellent choice for signal conditioning in high-impedance sources and various precision applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | |
| Total Supply Voltage (Single/Dual) | 4.4 V to 16 V, ±2.2 V to ±8 V | V |
| Gain Bandwidth Product (GBW) | 2.18 MHz | MHz |
| Slew Rate | 3.6 V/μs | V/μs |
| Input Offset Voltage (Vos) | 950 μV (max at 25°C) | μV |
| Input Bias Current | 1 pA (typ) | pA |
| Noise Voltage at 1 kHz | 9 nV/√Hz (typ) | nV/√Hz |
| Common-Mode Rejection Ratio (CMRR) | 75 dB (typ) | dB |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package Type | 8-TSSOP (PW) |
Key Features
- Rail-to-Rail Output: Ensures maximum dynamic performance and flexibility in both single-supply and split-supply applications.
- Low Noise: Typical noise voltage of 9 nV/√Hz at 1 kHz, making it suitable for high-impedance sources and precision applications.
- Low Input Bias Current: 1 pA typical, reducing errors in signal conditioning.
- High Gain Bandwidth Product: 2.2 MHz typical, suitable for high-speed operations.
- High Slew Rate: 3.6 V/μs typical, enabling fast signal transitions.
- Low Input Offset Voltage: Maximum of 950 μV at 25°C, ensuring high precision.
- Common-Mode Input Voltage Range: Includes the negative rail, enhancing flexibility in circuit design.
- Macromodel Included: Facilitates simulation and design verification.
- Performance Upgrades: Offers improvements over the TLC272 and TLC274 series.
- Automotive and Industrial Grades Available: Suitable for a wide range of applications, including automotive and industrial environments.
Applications
- Hand-held Monitoring Systems: Ideal for battery-powered and remote-sensing applications due to low power consumption.
- Transducer Interfaces: Excellent for small-signal conditioning with high-impedance sources such as piezoelectric transducers.
- Analog-to-Digital Converter (ADC) Interfaces: The rail-to-rail output feature makes it a great choice for interfacing with ADCs.
- Battery-Powered Applications: Suitable due to micropower dissipation levels.
- White Goods and Industrial Automation: Used in applications such as refrigerators, washing machines, and other industrial automation systems.
Q & A
- Q: What is the TLC2272ACPW, and what are its key features?
A: The TLC2272ACPW is a dual operational amplifier with rail-to-rail output, low noise, high gain bandwidth product, and low input offset voltage. It is suitable for high-speed and precision applications. - Q: What is the typical noise voltage of the TLC2272ACPW?
A: The typical noise voltage is 9 nV/√Hz at 1 kHz. - Q: What is the slew rate of the TLC2272ACPW?
A: The slew rate is 3.6 V/μs typical. - Q: What is the input offset voltage of the TLC2272ACPW?
A: The maximum input offset voltage is 950 μV at 25°C. - Q: What are the operating temperature ranges for the TLC2272ACPW?
A: The operating temperature range is -40°C to 125°C. - Q: What package type is the TLC2272ACPW available in?
A: It is available in an 8-TSSOP (PW) package. - Q: Is the TLC2272ACPW suitable for automotive applications?
A: Yes, it is available in Q-Temp automotive grades. - Q: Can the TLC2272ACPW be used in battery-powered devices?
A: Yes, it is suitable for battery-powered applications due to its low power consumption. - Q: What are some common applications of the TLC2272ACPW?
A: Common applications include hand-held monitoring systems, transducer interfaces, ADC interfaces, and battery-powered applications. - Q: Is the TLC2272ACPW still in production?
A: No, the TLC2272ACPW is no longer in production. New designs should consider an alternate product. - Q: Where can I find detailed specifications and datasheets for the TLC2272ACPW?
A: Detailed specifications and datasheets can be found on the Texas Instruments website or through authorized distributors like Mouser and Digi-Key.
