Overview
The TLC274AIDR is a quad operational amplifier produced by Texas Instruments, utilizing their advanced LinCMOS technology. This device is part of the TLC274 and TLC279 family, known for its high precision, low offset voltage, and low noise characteristics. The TLC274AIDR is particularly noted for its intermediate offset voltage grade, making it suitable for a wide range of applications that require precision and stability.
The LinCMOS technology employed in this amplifier provides offset voltage stability that exceeds conventional metal-gate processes, along with high input impedance, low bias currents, and high slew rates. These features make the TLC274AIDR an ideal choice for upgrading existing designs and for new state-of-the-art applications.
Key Specifications
| Parameter | Condition | Typical | Maximum | Unit |
|---|---|---|---|---|
| Input Offset Voltage (VIO) | VO = 1.4 V, VIC = 0, 25°C | 0.9 | 5 | mV |
| Input Offset Voltage Drift | 25°C to 70°C | 1.8 | µV/°C | |
| Supply Voltage (VDD) | 0°C to 70°C | 3 | 16 | V |
| Common-Mode Input Voltage Range (VICR) | VDD = 5 V, 25°C | -0.2 to 3.5 | V | |
| High-Level Output Voltage (VOH) | VID = 100 mV, RL = 10 kΩ, 25°C | 3.2 | 3.8 | V |
| Low-Level Output Voltage (VOL) | VID = -100 mV, IOL = 0, 25°C | 0 | 50 | mV |
| Input Bias Current (IIB) | VO = 2.5 V, VIC = 2.5 V, 25°C | 0.6 | 60 | pA |
| Input Impedance | 10^12 | Ω | ||
| Noise Voltage | f = 1 kHz | 25 | nV/√Hz |
Key Features
- High Precision: The TLC274AIDR offers an input offset voltage of up to 5 mV and a low offset voltage drift of 1.8 µV/°C.
- Low Noise: Typically 25 nV/√Hz at f = 1 kHz.
- High Input Impedance: 10^12 Ω, making it suitable for high-impedance sources.
- Single-Supply Operation: Can operate from a single supply voltage ranging from 3 V to 16 V.
- Common-Mode Input Voltage Range: Extends below the negative rail, making it versatile for various applications.
- ESD-Protection Circuitry: Internal protection against electrostatic discharge up to 2000 V.
- Latch-Up Immunity: Designed to withstand surge currents without sustaining latch-up.
- Multiple Packaging Options: Available in small-outline and chip-carrier versions for high-density system applications.
Applications
- Transducer Interfacing: Ideal for interfacing with transducers due to its high input impedance and low noise.
- Analog Calculations: Suitable for analog calculations and signal processing.
- Amplifier Blocks and Active Filters: Can be used in amplifier blocks and active filter designs.
- Signal Buffering: Effective for signal buffering applications.
- Battery-Powered Applications: Suitable for remote and inaccessible battery-powered applications due to its low voltage single-supply operation.
Q & A
- What is the input offset voltage of the TLC274AIDR?
The input offset voltage of the TLC274AIDR is typically 0.9 mV and can be up to 5 mV at 25°C.
- What is the operating temperature range for the TLC274AIDR?
The operating temperature range is from 0°C to 70°C for the C-suffix version and from -40°C to 85°C for the I-suffix version.
- What is the supply voltage range for the TLC274AIDR?
The supply voltage range is from 3 V to 16 V for the C-suffix version and from 4 V to 16 V for the I-suffix version.
- Does the TLC274AIDR have ESD protection?
Yes, the TLC274AIDR has internal ESD-protection circuitry that can withstand up to 2000 V.
- What is the common-mode input voltage range for the TLC274AIDR?
The common-mode input voltage range extends below the negative rail, typically from -0.2 V to 3.5 V at VDD = 5 V.
- What are the noise characteristics of the TLC274AIDR?
The TLC274AIDR has a typical noise voltage of 25 nV/√Hz at f = 1 kHz.
- Can the TLC274AIDR operate on a single supply?
Yes, the TLC274AIDR can operate on a single supply voltage.
- What are the packaging options available for the TLC274AIDR?
The TLC274AIDR is available in small-outline and chip-carrier versions.
- Is the TLC274AIDR suitable for battery-powered applications?
Yes, it is suitable for remote and inaccessible battery-powered applications due to its low voltage single-supply operation.
- What is the input impedance of the TLC274AIDR?
The input impedance is typically 10^12 Ω.
