Overview
The TLC2272QPWR 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 improved AC performance compared to existing CMOS operational amplifiers, with better noise, input offset voltage, and power dissipation. The TLC2272 is particularly suited for small-signal conditioning of high-impedance sources, such as piezoelectric transducers, and is also ideal for hand-held monitoring and remote-sensing applications due to its micropower dissipation levels.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Package | TSSOP (PW) | - |
| Pins | 8 | - |
| Operating Temperature Range | -40 to 125°C | °C |
| Gain Bandwidth Product | 2.2 MHz | MHz |
| Slew Rate | 3.6 V/µs | V/µs |
| Input Offset Voltage | 950 µV (Max at 25°C) | µV |
| Input Bias Current | 1 pA (Typ) | pA |
| Noise Voltage | 9 nV/√Hz (Typ at f = 1 kHz) | nV/√Hz |
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 and TLC274
- Available in Q-Temp Automotive for HighRel Automotive Applications
Applications
The TLC2272 is well-suited for various applications, including:
- Small-signal conditioning for high-impedance sources such as piezoelectric transducers.
- Hand-held monitoring and remote-sensing applications due to its micropower dissipation levels.
- Interfacing with analog-to-digital converters (ADCs) in single or split-supply configurations.
- Precision applications requiring low input offset voltage and low noise.
- Upgrades to existing designs using the TLC27x family, 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 2.2 MHz.
- What is the slew rate of the TLC2272?
The slew rate of the TLC2272 is typically 3.6 V/µs.
- What is the input offset voltage of the TLC2272?
The maximum input offset voltage of the TLC2272 is 950 µV at 25°C.
- Can the TLC2272 operate in both single-supply and split-supply configurations?
Yes, the TLC2272 is fully specified for both single-supply and split-supply operation.
- What is the typical noise voltage of the TLC2272?
The typical noise voltage of the TLC2272 is 9 nV/√Hz at f = 1 kHz.
- Is the TLC2272 suitable for high-impedance sources?
Yes, the TLC2272 is excellent for small-signal conditioning of high-impedance sources such as piezoelectric transducers.
- What package options are available for the TLC2272?
The TLC2272 is available in an 8-pin TSSOP (PW) package.
- Can the TLC2272 be used in automotive applications?
Yes, the TLC2272 is available in Q-Temp Automotive for HighRel automotive applications.
- What are some potential upgrades to the TLC2272?
For applications requiring higher output drive and wider input voltage range, consider the TLV2432 and TLV2442 devices. For single amplifiers, see the TLV2211, TLV2221, and TLV2231 family.
- What is the operating temperature range of the TLC2272?
The operating temperature range of the TLC2272 is -40 to 125°C.
