Overview
The TLC2272MDR is a dual operational amplifier from Texas Instruments, part of the TLC227x family. These devices are known for their advanced LinCMOS technology, offering rail-to-rail output performance, low noise, and high input impedance. They are suitable for a wide range of applications, including small-signal conditioning for high-impedance sources such as piezoelectric transducers, hand-held monitoring systems, and battery-powered equipment. The TLC2272MDR is fully specified for both single-supply and split-supply operation, making it versatile for various design needs.
Key Specifications
| Parameter | Typical | Maximum | Unit |
|---|---|---|---|
| Number of Channels | 2 | ||
| Gain Bandwidth Product (GBW) | 2.2 MHz | ||
| Slew Rate | 3.6 V/μs | ||
| Input Bias Current (IIB) | 1 pA | 60 pA | |
| Input Offset Voltage (Vos) | 950 μV | ||
| Input Noise Voltage (Vn) at 1 kHz | 9 nV/√Hz | ||
| Common-Mode Rejection Ratio (CMRR) | 75 dB | ||
| Supply Voltage Range | 4.4 V to 16 V, ±2.2 V to ±8 V | ||
| Operating Temperature Range | -55°C to 125°C | ||
| Package Type | 8-SOIC |
Key Features
- Rail-to-rail output performance for increased 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.
- 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.
- Common-mode input voltage range includes negative rail.
- Fully specified for both single-supply and split-supply operation.
- Macromodel included.
- Performance upgrades for the TLC272 and TLC274.
- Available in Q-Temp Automotive grades.
Applications
- Small-signal conditioning for high-impedance sources such as piezoelectric transducers.
- Hand-held monitoring and remote-sensing applications.
- Interfacing with analog-to-digital converters (ADCs).
- Battery-powered equipment.
- White goods (refrigerators, washing machines).
- Transducer interfaces.
Q & A
- What is the typical gain bandwidth product of the TLC2272MDR?
The typical gain bandwidth product is 2.2 MHz.
- What is the slew rate of the TLC2272MDR?
The slew rate is 3.6 V/μs typical.
- What is the input bias current of the TLC2272MDR?
The input bias current is 1 pA typical.
- What is the maximum input offset voltage of the TLC2272MDR?
The maximum input offset voltage is 950 μV at TA = 25°C.
- What is the operating temperature range of the TLC2272MDR?
The operating temperature range is -55°C to 125°C.
- What package type is the TLC2272MDR available in?
The TLC2272MDR is available in an 8-SOIC package.
- Is the TLC2272MDR suitable for single-supply and split-supply operations?
Yes, it is fully specified for both single-supply and split-supply operation.
- What are some common applications of the TLC2272MDR?
Common applications include small-signal conditioning, hand-held monitoring, interfacing with ADCs, and battery-powered equipment.
- Is the TLC2272MDR RoHS compliant?
Yes, the TLC2272MDR is RoHS compliant.
- What is the typical noise voltage of the TLC2272MDR at 1 kHz?
The typical noise voltage is 9 nV/√Hz at 1 kHz.
