Overview
The TLC2272ACDG4 is a dual operational amplifier from Texas Instruments, part of the TLC227x family. These devices are known for their high performance and low power consumption, making them ideal for a variety of applications. The TLC2272ACDG4 exhibits rail-to-rail output performance, which increases the dynamic range in both single-supply and split-supply configurations. It offers improved noise, input offset voltage, and power dissipation compared to existing CMOS operational amplifiers. This device is particularly suited for small-signal conditioning of high-impedance sources, such as piezoelectric transducers, and is also suitable for hand-held monitoring and remote-sensing applications due to its micropower dissipation levels.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Circuits | 2 | |
| Package Type | 8-SOIC (0.154", 3.90mm Width) | |
| Operating Temperature Range | -40°C to 125°C | °C |
| Supply Voltage (Single/Dual) | 4.4V to 16V, ±2.2V to ±8V | V |
| Output Type | Rail-to-Rail | |
| Output Current per Channel | 50 mA | mA |
| Gain Bandwidth Product | 2.25 MHz | MHz |
| Slew Rate | 3.6 V/µs | V/µs |
| Input Offset Voltage | 950 µV (Maximum at TA = 25°C) | µV |
| Input Bias Current | 1 pA (Typical) | pA |
| Noise Voltage | 9 nV/√Hz (Typical 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 Applications
Applications
- Small-signal conditioning for high-impedance sources such as piezoelectric transducers
- Hand-held monitoring and remote-sensing applications
- Battery-powered equipment due to low power consumption
- Interfacing with analog-to-digital converters (ADCs)
- White goods (Refrigerators, Washing Machines)
- Configuration control and print support
- Transducer interfaces
Q & A
- What is the typical noise voltage of the TLC2272ACDG4?
The typical noise voltage is 9 nV/√Hz at f = 1 kHz.
- What is the input bias current of the TLC2272ACDG4?
The input bias current is 1 pA typical.
- What is the gain bandwidth product of the TLC2272ACDG4?
The gain bandwidth product is 2.25 MHz.
- What is the slew rate of the TLC2272ACDG4?
The slew rate is 3.6 V/µs typical.
- What is the maximum input offset voltage of the TLC2272ACDG4?
The maximum input offset voltage is 950 µV at TA = 25°C.
- Is the TLC2272ACDG4 suitable for single-supply and split-supply operations?
Yes, it is fully specified for both single-supply and split-supply operations.
- What are the common applications of the TLC2272ACDG4?
It is used in small-signal conditioning, hand-held monitoring, remote-sensing, and interfacing with ADCs.
- What is the operating temperature range of the TLC2272ACDG4?
The operating temperature range is -40°C to 125°C.
- What is the supply voltage range for the TLC2272ACDG4?
The supply voltage range is 4.4V to 16V, ±2.2V to ±8V.
- Is the TLC2272ACDG4 available in automotive-grade versions?
Yes, it is available in Q-Temp automotive applications.
