Overview
The TLC271CDRG4 is a programmable low-power operational amplifier from Texas Instruments, utilizing their advanced LinCMOS technology. This device is part of the TLC271 series, which offers a wide range of input offset voltage grades, low offset voltage drift, and high input impedance. The TLC271CDRG4 is designed to provide flexibility and performance, making it suitable for various applications that require low power consumption and high precision.
The device features a bias-select mode, allowing users to optimize between power dissipation and AC performance. This makes it an excellent choice for new and existing designs, especially in remote and battery-powered applications. The TLC271CDRG4 also includes internal ESD-protection circuits and is designed to withstand surge currents without sustaining latch-up.
Key Specifications
| Parameter | Conditions | Typical Value | Unit |
|---|---|---|---|
| Input Offset Voltage (VIO) | VO = 1.4 V, VIC = 0 V, TA = 25°C | 10 | mV |
| Input Bias Current (IIB) | VO = VDD/2, TA = 25°C | 60 | pA |
| Supply Voltage (VDD) | Minimum | 3 | V |
| Supply Voltage (VDD) | Maximum | 16 | V |
| Slew Rate (SR) | Unity gain, RL = 10 kΩ, CL = 20 pF, TA = 25°C | 3.6 | V/µs |
| Unity-Gain Bandwidth (B1) | VI = 10 mV, CL = 20 pF, TA = 25°C | 1.7 | MHz |
| Phase Margin (φm) | VI = 10 mV, CL = 20 pF, f = B1, TA = 25°C | 46° | |
| Common-Mode Input Voltage Range (VICR) | TA = 25°C | 0 to 4 V |
Key Features
- Bias-Select Mode: Allows users to select between three bias levels to optimize power dissipation and AC performance.
- Low Offset Voltage Drift: Ensures high stability over temperature changes.
- High Input Impedance: Reduces the loading effect on the input signal source.
- Low Noise: High signal-to-noise ratio, making it suitable for precision applications.
- Internal ESD-Protection: Protects against functional failures up to 2000 V as per MIL-STD-883C, Method 3015.2.
- Low Power Consumption: Ideal for battery-powered and remote applications.
- Wide Range of Packaging Options: Includes small-outline and chip-carrier versions for high-density system applications.
Applications
- Transducer Interfacing: Suitable for interfacing with various transducers due to its high input impedance and low noise.
- Analog Calculations: Used in analog computation circuits such as summing amplifiers, integrators, and differentiators.
- Amplifier Blocks: Can be used as standalone amplifiers or as part of more complex amplifier circuits.
- Active Filters: Ideal for designing active filters due to its high slew rate and unity-gain bandwidth.
- Signal Buffering: Used to buffer signals in various analog circuits to prevent loading effects.
- Battery-Powered Applications: Suitable for remote and inaccessible battery-powered applications due to its low power consumption.
Q & A
- What is the input offset voltage of the TLC271CDRG4?
The input offset voltage (VIO) of the TLC271CDRG4 is typically 10 mV at TA = 25°C.
- What is the input bias current of the TLC271CDRG4?
The input bias current (IIB) is typically 60 pA at VO = VDD/2 and TA = 25°C.
- What is the supply voltage range for the TLC271CDRG4?
The supply voltage (VDD) range is from 3 V to 16 V.
- What is the slew rate of the TLC271CDRG4?
The slew rate (SR) is typically 3.6 V/µs at unity gain, RL = 10 kΩ, and CL = 20 pF at TA = 25°C.
- What is the unity-gain bandwidth of the TLC271CDRG4?
The unity-gain bandwidth (B1) is typically 1.7 MHz at VI = 10 mV, CL = 20 pF, and TA = 25°C.
- Does the TLC271CDRG4 have ESD protection?
Yes, the TLC271CDRG4 includes internal ESD-protection circuits that protect against functional failures up to 2000 V as per MIL-STD-883C, Method 3015.2.
- What are the common applications of the TLC271CDRG4?
The TLC271CDRG4 is commonly used in transducer interfacing, analog calculations, amplifier blocks, active filters, signal buffering, and battery-powered applications.
- What is the phase margin of the TLC271CDRG4?
The phase margin (φm) is typically 46° at VI = 10 mV, CL = 20 pF, and f = B1 at TA = 25°C.
- What is the common-mode input voltage range of the TLC271CDRG4?
The common-mode input voltage range (VICR) is from 0 to 4 V at TA = 25°C.
- Can the TLC271CDRG4 operate in high-density system applications?
Yes, the TLC271CDRG4 is available in small-outline and chip-carrier packages, making it suitable for high-density system applications.
