Overview
The TLC27M4IDRG4 is a quad operational amplifier produced by Texas Instruments. It is part of the TLC27M4 series, which combines a wide range of input offset voltage grades with low offset voltage drift, high input impedance, and low noise. These devices utilize Texas Instruments' silicon-gate LinCMOS™ technology, providing offset voltage stability that exceeds conventional metal-gate processes. The TLC27M4IDRG4 is designed for low power consumption and is suitable for applications that require high input impedance and low bias currents, making it an ideal choice for battery-powered and remote applications.
Key Specifications
| Parameter | Test Conditions | Unit | Typical Value | Minimum Value | Maximum Value |
|---|---|---|---|---|---|
| Input Offset Voltage (VIO) | VO = 1.4 V, VIC = 0, RS = 50 Ω, RL = 100 kΩ | µV | 210 | 250 | 2000 |
| Average Temperature Coefficient of Input Offset Voltage (αVIO) | 25°C to 85°C | µV/°C | 1.7 | - | - |
| Input Offset Current (IIO) | VO = 2.5 V, VIC = 2.5 V | pA | 0.6 | - | 1000 |
| Input Bias Current (IIB) | VO = 2.5 V, VIC = 2.5 V | pA | 0.6 | - | 2000 |
| Common-Mode Input Voltage Range (VICR) | - | V | -0.2 to 3.5 | - | - |
| High-Level Output Voltage (VOH) | VID = 100 mV, RL = 100 kΩ | V | 3.2 | 3 | 3.9 |
| Low-Level Output Voltage (VOL) | VID = –100 mV, IOL = 0 | mV | 0 | 0 | 50 |
| Supply Current (IDD) | VO = 2.5 V, VIC = 2.5 V, No load | µA | 420 | 320 | 1120 |
Key Features
- Single-Supply Operation: The TLC27M4IDRG4 can operate on a single supply voltage, making it suitable for battery-powered applications.
- Low Noise: Typically 32 nV/√Hz at f = 1 kHz.
- Low Power Consumption: Typically 2.1 mW at TA = 25°C, VDD = 5 V.
- High Input Impedance: 10^12 Ω typical.
- ESD-Protection Circuitry: Built-in protection against electrostatic discharge.
- Common-Mode Input Voltage Range: Extends below the negative rail.
- Output Voltage Range Includes Negative Rail: Ensures full output swing.
- Designed-In Latch-Up Immunity: Prevents latch-up during operation.
Applications
- Transducer Interfacing: Ideal for interfacing with various transducers due to its high input impedance and low noise.
- Analog Calculations: Suitable for analog calculations and signal processing.
- Amplifier Blocks: Can be used as building blocks for more complex amplifier circuits.
- Active Filters: Used in the design of active filters due to its stability and low noise.
- Signal Buffering: Effective for signal buffering applications requiring low noise and high input impedance.
- Battery-Powered and Remote Applications: Low power consumption makes it ideal for battery-powered and remote applications.
Q & A
- What is the typical input offset voltage of the TLC27M4IDRG4?
The typical input offset voltage is 210 µV.
- What is the common-mode input voltage range of the TLC27M4IDRG4?
The common-mode input voltage range extends from –0.2 V to 3.5 V.
- What is the high-level output voltage of the TLC27M4IDRG4?
The high-level output voltage is typically 3.2 V with a load resistance of 100 kΩ.
- Does the TLC27M4IDRG4 have ESD protection?
- What is the supply current of the TLC27M4IDRG4?
The supply current is typically 420 µA with no load at VDD = 5 V.
- What are the typical applications of the TLC27M4IDRG4?
The TLC27M4IDRG4 is typically used in transducer interfacing, analog calculations, amplifier blocks, active filters, and signal buffering.
- Can the TLC27M4IDRG4 operate on a single supply voltage?
- What is the noise level of the TLC27M4IDRG4?
The noise level is typically 32 nV/√Hz at f = 1 kHz.
- What is the input impedance of the TLC27M4IDRG4?
The input impedance is typically 10^12 Ω.
- Is the TLC27M4IDRG4 suitable for battery-powered applications?
