Overview
The TLC271ACDR is a programmable low-power operational amplifier from Texas Instruments, utilizing their advanced LinCMOS technology. This device is known for its wide range of input offset voltage grades, low offset voltage drift, and high input impedance. It offers a bias-select mode, allowing users to optimize the balance between power dissipation and AC performance for specific applications. The TLC271ACDR is suitable for various analog applications, including transducer interfacing, analog calculations, amplifier blocks, active filters, and signal buffering. It also features low-voltage single-supply operation, making it ideal for battery-powered and remote applications.
Key Specifications
| Parameter | Conditions | Typical Value | Unit |
|---|---|---|---|
| Input Offset Voltage (VIO) | VO = 1.4 V, VIC = 0 V, 25°C | 0.9 - 5 | mV |
| Average Temperature Coefficient of Input Offset Voltage (αVIO) | 25°C to 85°C | 1.8 - 2 | µV/°C |
| Input Offset Current (IIO) | VO = VDD/2, 25°C | 0.1 - 60 | pA |
| Input Bias Current (IIB) | VO = VDD/2, 25°C | 0.6 - 60 | pA |
| Common-Mode Input Voltage Range (VICR) | 25°C | -0.2 to 4.2 | V |
| Supply Current (IDD) | No load, 25°C | 525 - 1200 | µA |
| Slew Rate (SR) at Unity Gain | RL = 10 kΩ, CL = 20 pF, 25°C | 2.9 - 3.6 | V/µs |
| Unity-Gain Bandwidth (B1) | VI = 10 mV, CL = 20 pF, 25°C | 1.3 - 1.7 | MHz |
| Phase Margin (φm) | VI = 10 mV, CL = 20 pF, f = B1, 25°C | 44° - 46° | ° |
| Large-Signal Differential Voltage Amplification (AVD) | RL = 10 kΩ, 25°C | 23 - 170 | V/mV |
Key Features
- Bias-Select Mode: Allows users to select from three bias levels to optimize between AC performance and power dissipation.
- Low Offset Voltage: Available in various offset voltage grades, including 2 mV, 5 mV, and 10 mV.
- High Input Impedance: Ensures minimal loading on the input signal source.
- Low Power Consumption: Suitable for battery-powered and remote applications.
- Wide Supply Range: Operates with supply voltages from 4.5 V to 16 V.
- ESD Protection: Internal ESD-protection circuits prevent functional failures up to 2000 V.
- Low Noise: Low equivalent input noise voltage, making it suitable for high-sensitivity applications.
- Temperature Range: Available in different temperature ranges, including 0°C to 70°C, -40°C to 85°C, and -55°C to 125°C.
- Packaging Options: Available in small-outline, chip-carrier, ceramic DIP, and plastic DIP packages.
Applications
- Transducer Interfacing: Ideal for interfacing with various transducers due to its high input impedance and low noise.
- Analog Calculations: Suitable for analog computation and signal processing.
- Amplifier Blocks: Can be used in various amplifier configurations, including inverting and non-inverting amplifiers.
- Active Filters: Used in the design of active filters due to its high gain and low noise characteristics.
- Signal Buffering: Effective for buffering signals in high-impedance source applications.
- Battery-Powered Devices: Ideal for remote and inaccessible battery-powered applications due to its low power consumption.
Q & A
- What is the primary technology used in the TLC271ACDR operational amplifier?
The TLC271ACDR uses Texas Instruments' advanced LinCMOS technology.
- What is the bias-select mode in the TLC271ACDR, and what does it offer?
The bias-select mode allows users to select from three bias levels to optimize the balance between AC performance and power dissipation.
- What are the typical input offset voltage ranges for the TLC271ACDR?
The input offset voltage ranges from 0.9 mV to 5 mV, depending on the specific device grade.
- What is the typical slew rate of the TLC271ACDR at unity gain?
The typical slew rate at unity gain is between 2.9 V/µs and 3.6 V/µs.
- What is the unity-gain bandwidth of the TLC271ACDR?
The unity-gain bandwidth is typically between 1.3 MHz and 1.7 MHz.
- Does the TLC271ACDR have ESD protection?
Yes, it has internal ESD-protection circuits that prevent functional failures up to 2000 V.
- What are the available temperature ranges for the TLC271ACDR?
The device is available in temperature ranges of 0°C to 70°C, -40°C to 85°C, and -55°C to 125°C.
- What packaging options are available for the TLC271ACDR?
It is available in small-outline, chip-carrier, ceramic DIP, and plastic DIP packages.
- What are some common applications of the TLC271ACDR?
Common applications include transducer interfacing, analog calculations, amplifier blocks, active filters, and signal buffering.
- Is the TLC271ACDR suitable for battery-powered applications?
Yes, it is suitable due to its low power consumption and ability to operate on a single supply voltage.
