Overview
The TLC2272ACDR is a dual, low-noise, rail-to-rail operational amplifier produced by Texas Instruments. It is part of the TLC227x family, which offers enhanced performance over previous CMOS operational amplifiers. These devices are known for their high input impedance, low noise, and micropower dissipation levels, making them suitable for a wide range of applications, including small-signal conditioning for high-impedance sources and interfacing with analog-to-digital converters (ADCs).
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SOIC (D) with 8 pins |
| Power Supply Type | Dual, Single (5 V to 15 V, ±3 V, ±5 V) |
| Number of Channels per Chip | 2 |
| Typical Gain Bandwidth Product | 2.2 MHz |
| Typical Slew Rate | 3.6 V/µs |
| Maximum Operating Temperature | 70 °C |
| Minimum Operating Temperature | 0 °C |
| Typical Voltage Gain | 105 dB |
| Output Swing | Rail-to-Rail Output |
| Typical Input Voltage Noise Density | 9 nV/√Hz at f = 1 kHz |
| Low Input Offset Voltage | 950 µV Maximum at TA = 25°C |
| Low-Input Bias Current | 1 pA Typical |
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 TLC2272ACDR is well-suited for various applications due to its high input impedance, low noise, and rail-to-rail output performance. Key applications include:
- Small-signal conditioning for high-impedance sources such as piezoelectric transducers.
- Hand-held monitoring and remote-sensing applications due to 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 TLC27x designs, offering increased output dynamic range, lower noise voltage, and lower input offset voltage.
Q & A
- What is the package type of the TLC2272ACDR?
The TLC2272ACDR is packaged in an SOIC (D) package with 8 pins.
- What are the typical supply voltages for the TLC2272ACDR?
The device can operate with single supply voltages from 5 V to 15 V and dual supply voltages of ±3 V and ±5 V.
- What is the typical gain bandwidth product of the TLC2272ACDR?
The typical gain bandwidth product is 2.2 MHz.
- What is the typical slew rate of the TLC2272ACDR?
The typical slew rate is 3.6 V/µs.
- What is the maximum operating temperature of the TLC2272ACDR?
The maximum operating temperature is 70 °C.
- What is the typical input voltage noise density of the TLC2272ACDR?
The typical input voltage noise density is 9 nV/√Hz at f = 1 kHz.
- Is the TLC2272ACDR suitable for high-impedance sources?
- Can the TLC2272ACDR be used in precision applications?
- Is the TLC2272ACDR available in automotive grades?
- What are some potential upgrades or alternatives to the TLC2272ACDR?
