Overview
The TLC2272ACP 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 input impedance, low noise, and micropower dissipation. The TLC2272ACP is designed for small-signal conditioning, particularly for high-impedance sources such as piezoelectric transducers. It offers improved AC performance, lower noise, and better input offset voltage compared to existing CMOS operational amplifiers. The device is fully characterized for both single-supply and split-supply operations, making it versatile for various applications.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Slew Rate at Unity Gain | 3.6 | V/μs |
| Input Noise Voltage at 1 kHz | 9 nV/√Hz | nV/√Hz |
| Input Bias Current | 1 pA | pA |
| Gain-Bandwidth Product | 2.2 MHz | MHz |
| Input Offset Voltage | 950 μV | μV |
| Common-Mode Input Voltage Range | Includes Negative Rail | |
| Supply Voltage Range | ±5 V | V |
| Package Type | PDIP-8 | |
| Operating Temperature Range | -40°C to 125°C | °C |
Key Features
- 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: 2.2-MHz typical.
- High slew rate: 3.6-V/μs typical.
- Low input offset voltage: 950 μV maximum at TA = 25°C.
- Rail-to-rail output performance for increased dynamic range.
- Macromodel included.
- Available in Q-Temp Automotive.
Applications
- Hand-held monitoring systems.
- Transducer interfaces, especially for high-impedance sources like piezoelectric transducers.
- Battery-powered applications due to low power consumption.
- White goods (refrigerators, washing machines).
- Remote-sensing applications.
- Analog-to-digital converter (ADC) interfaces.
Q & A
- What is the typical slew rate of the TLC2272ACP?
The typical slew rate is 3.6 V/μs. - What is the input noise voltage at 1 kHz for the TLC2272ACP?
The input noise voltage at 1 kHz is 9 nV/√Hz. - What is the input bias current of the TLC2272ACP?
The input bias current is 1 pA typical. - Can the TLC2272ACP operate with both single-supply and split-supply configurations?
Yes, it is fully specified for both single-supply and split-supply operations. - What is the common-mode input voltage range of the TLC2272ACP?
The common-mode input voltage range includes the negative rail. - What is the gain-bandwidth product of the TLC2272ACP?
The gain-bandwidth product is 2.2 MHz typical. - What is the maximum input offset voltage of the TLC2272ACP at 25°C?
The maximum input offset voltage is 950 μV. - In what package type is the TLC2272ACP available?
The TLC2272ACP is available in an 8-pin PDIP package. - What are some common applications of the TLC2272ACP?
Common applications include hand-held monitoring systems, transducer interfaces, battery-powered applications, and analog-to-digital converter interfaces. - Is the TLC2272ACP suitable for automotive applications?
Yes, it is available in Q-Temp Automotive configurations.
