Overview
The TLC272BCDRG4 is a precision dual operational amplifier produced by Texas Instruments. It is part of the TLC272 series, which utilizes Texas Instruments' silicon-gate LinCMOS technology. This technology provides high offset voltage stability, low offset voltage drift, and high input impedance, making the TLC272BCDRG4 suitable for a wide range of applications, including those that require high precision and low noise.
Key Specifications
| Parameter | Test Conditions | Typical | Minimum | Maximum | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage | VO = 1.4 V, VIC = 0, 25°C | 2.3 | 1.1 | 10 | mV |
| Input Offset Voltage | VO = 1.4 V, RS = 50 Ω, VIC = 0, RL = 10 kΩ | 2.3 | 1.1 | 13 | mV |
| Input Bias Current | VO = 2.5 V, VIC = 2.5 V, 25°C | 0.6 | 0.1 | 60 | pA |
| Input Offset Current | 25°C | 0.1 | 0.1 | 60 | pA |
| Common-Mode Input Voltage Range | 25°C | -0.2 to 4 | -0.2 | 4 | V |
| High-Level Output Voltage | VID = 100 mV, RL = 10 kΩ, 25°C | 3.8 | 3 | 3.8 | V |
| Low-Level Output Voltage | VID = -100 mV, IOL = 0, 25°C | 0.5 | 0 | 0.5 | V |
| Large-Signal Differential Voltage Amplification | VO = 1 V to 6 V, RL = 10 kΩ, 25°C | 75 | 65 | 85 | V/mV |
| Common-Mode Rejection Ratio | VIC = VICRmin, 25°C | 80 | 60 | 88 | dB |
Key Features
- High Input Impedance: Typically 10^12 Ω, ensuring minimal input current and high signal integrity.
- Low Offset Voltage and Drift: Available in various offset voltage grades, with low drift over temperature, making it suitable for precision applications.
- Low Noise: Typically 25 nV/√Hz at f = 1 kHz, ideal for noise-sensitive applications.
- Wide Supply Voltage Range: Operates from 3 V to 16 V, allowing for flexibility in system design.
- Single-Supply Operation: Can operate from a single supply, extending the common-mode input voltage range below the negative rail.
- ESD-Protection Circuitry: Built-in protection against electrostatic discharge.
- High Slew Rate: Approaches the speeds of general-purpose BiFET devices, making it suitable for high-frequency applications.
- Designed-In Latch-Up Immunity: Ensures reliable operation without latch-up issues.
Applications
- Precision Instrumentation: Ideal for applications requiring high accuracy and low noise, such as medical devices and scientific instruments.
- Audio Equipment: Suitable for audio amplifiers and filters due to its low noise and high fidelity characteristics.
- Industrial Control Systems: Used in control systems that require precise signal processing and high reliability.
- Medical Devices: Applicable in medical devices that demand high precision and low noise, such as ECG and EEG machines.
- Automotive Systems: Can be used in automotive systems that require robust and reliable signal processing.
Q & A
- What is the typical input offset voltage of the TLC272BCDRG4?
The typical input offset voltage is around 2.3 mV at 25°C.
- What is the input impedance of the TLC272BCDRG4?
The input impedance is typically 10^12 Ω.
- What is the common-mode rejection ratio (CMRR) of the TLC272BCDRG4?
The CMRR is typically 80 dB at 25°C.
- What is the slew rate of the TLC272BCDRG4?
The slew rate approaches that of general-purpose BiFET devices, but specific values are not provided in the datasheet.
- Can the TLC272BCDRG4 operate from a single supply?
- What is the noise performance of the TLC272BCDRG4?
The noise is typically 25 nV/√Hz at f = 1 kHz).
- What are the available package options for the TLC272BCDRG4?
The device is available in several package options, including D, JG, P, and PW packages, with some options also available in tape and reel).
- Does the TLC272BCDRG4 have ESD protection?
- What is the temperature coefficient of the input offset voltage for the TLC272BCDRG4?
The temperature coefficient of the input offset voltage is typically 1.8 µV/°C from 25°C to 70°C).
- What are some typical applications for the TLC272BCDRG4?
