Overview
The TLC2272AMDREP is a dual operational amplifier from Texas Instruments, part of the TLC227x family. These devices are known for their rail-to-rail output performance, which enhances the dynamic range in both single-supply and split-supply applications. They offer superior noise, input offset voltage, and power dissipation compared to existing CMOS operational amplifiers. The TLC2272AMDREP is particularly suited for small-signal conditioning of high-impedance sources, such as piezoelectric transducers, and is ideal for hand-held monitoring and remote-sensing applications due to its low power consumption.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC (D) | - |
| Pins | 8 | - |
| Operating Temperature Range | -55 to 125 | °C |
| Gain Bandwidth | 2.2 MHz | - |
| Slew Rate | 3.6 V/µs | - |
| Noise Voltage | 9 nV/√Hz at f = 1 kHz | - |
| Input Offset Voltage | 950 µV Maximum at TA = 25°C | - |
| Input Bias Current | 1 pA Typical | - |
| Supply Current | 2.2 to 3 mA at VO = 2.5 V, No load | - |
Key Features
- Output Swing Includes Both Supply Rails
- 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
- Macromodel Included
- Performance Upgrades for the TLC272, TLC274, TS272, and TS274
- Extended Temperature Performance of -55°C to 125°C
- Enhanced Diminishing Manufacturing Sources (DMS) Support
Applications
The TLC2272AMDREP is excellent for small-signal conditioning of high-impedance sources such as piezoelectric transducers. It is well-suited for hand-held monitoring and remote-sensing applications due to its low power consumption. The rail-to-rail output feature makes it a great choice when interfacing with analog-to-digital converters (ADCs). Additionally, it is suitable for precision applications requiring low noise and low input offset voltage.
Q & A
- What is the operating temperature range of the TLC2272AMDREP?
The operating temperature range is -55°C to 125°C. - What is the typical gain bandwidth of the TLC2272AMDREP?
The typical gain bandwidth is 2.2 MHz. - What is the slew rate of the TLC2272AMDREP?
The slew rate is 3.6 V/µs typical. - What is the noise voltage of the TLC2272AMDREP at 1 kHz?
The noise voltage is 9 nV/√Hz typical at f = 1 kHz. - What is the maximum input offset voltage of the TLC2272AMDREP at 25°C?
The maximum input offset voltage is 950 µV at TA = 25°C. - Is the TLC2272AMDREP suitable for single-supply and split-supply operations?
Yes, it is fully specified for both single-supply and split-supply operations. - What are some typical applications of the TLC2272AMDREP?
It is used in small-signal conditioning for high-impedance sources, hand-held monitoring, remote-sensing, and interfacing with ADCs. - Does the TLC2272AMDREP support extended temperature performance?
Yes, it supports extended temperature performance from -55°C to 125°C. - What is the typical supply current of the TLC2272AMDREP?
The typical supply current is 2.2 to 3 mA at VO = 2.5 V, no load. - Is the TLC2272AMDREP a good upgrade for existing TLC27x or TS27x designs?
Yes, it offers increased output dynamic range, lower noise voltage, and lower input offset voltage, making it a good upgrade for existing designs.
