Overview
The TLC2272CD 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, which enhances the dynamic range in both single-supply and split-supply applications. The TLC2272 and its quadruple counterpart, TLC2274, provide high-speed performance with a bandwidth of 2 MHz and a slew rate of 3.6 V/µs, making them suitable for a wide range of applications requiring high-speed and low noise.
Key Specifications
| Parameter | Typical | Maximum/Minimum | Unit |
|---|---|---|---|
| Operating Temperature Range | 0 to 70 | °C | |
| Gain Bandwidth Product | 2.2 MHz | ||
| Slew Rate at Unity Gain | 3.6 V/µs | 2.3 V/µs / 1.7 V/µs | |
| Input Noise Voltage | 9 nV/√Hz at f = 1 kHz | 50 nV/√Hz at f = 10 Hz | |
| Input Bias Current | 1 pA | 60 pA / 100 pA / 150 pA / 800 pA | |
| Input Offset Voltage | 950 µV | ||
| Common-Mode Input Voltage Range | –0.3 to 4 V | ||
| High-Level Output Voltage | 4.99 V (IOH = –20 µA), 4.85 V (IOH = –200 µA), 4.25 V (IOH = –1 mA) | ||
| Package | SOIC (D) | 8 pins |
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 Grades
Applications
The TLC2272CD is ideal for various applications due to its high input impedance, low noise, and micropower dissipation levels. It is excellent for small-signal conditioning for high-impedance sources such as piezoelectric transducers. These devices are also suitable for hand-held monitoring and remote-sensing applications. Additionally, the rail-to-rail output feature makes them a great choice when interfacing with analog-to-digital converters (ADCs). They are also used in precision applications and as upgrades to the TLC27x in standard designs.
Q & A
- What is the typical gain bandwidth product of the TLC2272CD?
The typical gain bandwidth product is 2.2 MHz.
- What is the slew rate of the TLC2272CD at unity gain?
The slew rate at unity gain is typically 3.6 V/µs.
- What is the input noise voltage of the TLC2272CD at 1 kHz?
The input noise voltage at 1 kHz is typically 9 nV/√Hz.
- What is the maximum input offset voltage of the TLC2272CD?
The maximum input offset voltage is 950 µV at TA = 25°C.
- Is the TLC2272CD fully specified for both single-supply and split-supply operation?
- What is the common-mode input voltage range of the TLC2272CD?
The common-mode input voltage range includes the negative rail and extends up to 4 V.
- What are some typical applications of the TLC2272CD?
Typical applications include small-signal conditioning for high-impedance sources, hand-held monitoring, remote-sensing, and interfacing with ADCs.
- Does the TLC2272CD have a macromodel available?
- Is the TLC2272CD available in automotive grades?
- What are some performance upgrades of the TLC2272CD compared to the TLC27x series?
The TLC2272CD offers increased output dynamic range, lower noise voltage, and lower input offset voltage compared to the TLC27x series.
