Overview
The TLC271BIDR is a programmable low-power operational amplifier from Texas Instruments, utilizing LinCMOS technology. This device is known for its wide range of input offset voltage grades, low drift, high input impedance, and a bias-select mode that allows users to optimize between power dissipation and AC performance. The TLC271BIDR is part of the TLC271 series, which offers various offset voltage grades and is suitable for a broad spectrum of applications, including transducer interfacing, analog calculations, amplifier blocks, active filters, and signal buffering.
Key Specifications
| Parameter | Conditions | Typical Value | Unit |
|---|---|---|---|
| Input Offset Voltage (VIO) | VO = 1.4 V, VIC = 0 V, 25°C | 0.34 to 2 | mV |
| Average Temperature Coefficient of Input Offset Voltage (αVIO) | 25°C to 85°C | 1.8 to 2 | µV/°C |
| Input Offset Current (IIO) | VO = VDD/2, 25°C | 0.1 to 60 | pA |
| Input Bias Current (IIB) | VO = VDD/2, 25°C | 0.6 to 60 | pA |
| Common-Mode Input Voltage Range (VICR) | 25°C | –0.2 to 4.2 | V |
| Supply Current (IDD) | VO = VDD/2, VIC = VDD/2, No load, 25°C | 950 to 2200 | µA |
| Slew Rate (SR) | RL = 10 kΩ, CL = 20 pF, 25°C | 3.6 | V/µs |
| Unity-Gain Bandwidth (B1) | VI = 10 mV, CL = 20 pF, 25°C | 1.7 | MHz |
| Phase Margin (φm) | VI = 10 mV, CL = 20 pF, f = B1, 25°C | 46° | ° |
| Large-Signal Differential Voltage Amplification (AVD) | RL = 10 kΩ, 25°C | 23 to 480 | 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.
- Low Power Consumption: Suitable for battery-powered and remote applications.
- Wide Common-Mode Input Voltage Range: Includes the negative rail, enhancing flexibility in circuit design.
- ESD Protection: Internal ESD-protection circuits prevent functional failures up to 2000 V.
- Multiple Packaging Options: Available in small-outline, chip-carrier, ceramic DIP, and plastic DIP packages.
- Low-Voltage Single-Supply Operation: Compatible with supply voltages from 4.5 V to 16 V.
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: Suitable for remote and inaccessible battery-powered applications due to its low power consumption.
Q & A
- What is the primary technology used in the TLC271BIDR operational amplifier?
The TLC271BIDR uses Texas Instruments' LinCMOS technology.
- What are the key benefits of the bias-select mode in the TLC271BIDR?
The bias-select mode allows users to optimize between AC performance and power dissipation by selecting from three different bias levels.
- What are the typical input offset voltage ranges for the TLC271BIDR?
The input offset voltage ranges from 0.34 mV to 2 mV, depending on the specific device grade.
- What is the common-mode input voltage range for the TLC271BIDR?
The common-mode input voltage range is from –0.2 V to 4.2 V at 25°C.
- What is the slew rate of the TLC271BIDR in high-bias mode?
The slew rate in high-bias mode is typically 3.6 V/µs.
- What are the supply voltage requirements for the TLC271BIDR?
The device operates with supply voltages ranging from 4.5 V to 16 V.
- Does the TLC271BIDR have built-in ESD protection?
Yes, the TLC271BIDR has internal ESD-protection circuits that prevent functional failures up to 2000 V.
- What are the typical applications of the TLC271BIDR?
The TLC271BIDR is used in transducer interfacing, analog calculations, amplifier blocks, active filters, signal buffering, and battery-powered devices.
- What are the available packaging options for the TLC271BIDR?
The device is available in small-outline, chip-carrier, ceramic DIP, and plastic DIP packages.
- How does the TLC271BIDR perform in terms of power consumption?
The TLC271BIDR features low power consumption, making it suitable for battery-powered and remote applications.
