Overview
The TLC272IDRG4 is a precision dual operational amplifier produced by Texas Instruments. It utilizes Texas Instruments' silicon-gate LinCMOS technology, which offers high input impedance, low bias currents, and low noise, making it suitable for a variety of precision analog applications. This device is part of the TLC272 and TLC277 family, known for their stability and performance, which exceed those of conventional metal-gate processes.
The TLC272IDRG4 is particularly noted for its low input offset voltage, low offset voltage drift, and high slew rates, making it an excellent choice for applications that require high precision and reliability.
Key Specifications
| Parameter | Conditions | Typical | Minimum | Maximum |
|---|---|---|---|---|
| Input Offset Voltage | VIC = 0, VDD = 5 V, 25°C | 1.1 mV | - | 10 mV |
| Input Offset Voltage Drift | Typically 0.1 µV/Month, Including the First 30 Days | - | - | - |
| Supply Voltage Range | 0°C to 70°C | - | 3 V | 16 V |
| Supply Voltage Range | -40°C to 85°C | - | 4 V | 16 V |
| Input Impedance | Typical | - | - | 10^12 Ω |
| Common-Mode Input Voltage Range | 25°C | - | -0.2 V | 4.2 V |
| High-Level Output Voltage | VID = 100 mV, RL = 10 kΩ, 25°C | - | 3 V | 3.8 V |
| Low-Level Output Voltage | VID = -100 mV, IOL = 0, 25°C | - | 0 V | 50 mV |
| Supply Current (Two Amplifiers) | VO = 5 V, No Load, 25°C | - | 1.9 mA | 4 mA |
Key Features
- Low Input Offset Voltage: The TLC272IDRG4 offers low input offset voltage, with a maximum of 10 mV at 25°C, making it suitable for precision applications.
- Low Offset Voltage Drift: The device has a low offset voltage drift, typically 0.1 µV/Month, ensuring long-term stability.
- High Input Impedance: With a typical input impedance of 10^12 Ω, this amplifier minimizes the impact on the input signal.
- Low Noise: It features low noise, typically 25 nV/√Hz at f = 1 kHz, which is crucial for sensitive analog circuits.
- Wide Supply Voltage Range: The device can operate over a wide supply voltage range from 3 V to 16 V, depending on the temperature range.
- Single-Supply Operation: It supports single-supply operation, making it ideal for battery-powered applications.
- ESD Protection: The TLC272IDRG4 includes internal ESD-protection circuits that can withstand up to 2000 V as tested under MIL-STD-883C, Method 3015.2.
- High Common-Mode Rejection Ratio (CMRR): The device has a high CMRR, typically 65 dB to 95 dB, ensuring good rejection of common-mode signals.
Applications
- Transducer Interfacing: The TLC272IDRG4 is suitable for interfacing with various transducers due to its high precision and low noise characteristics.
- Analog Calculations: It can be used in analog calculation circuits such as summing amplifiers, integrators, and differentiators.
- Amplifier Blocks: The device is ideal for building amplifier blocks in audio and instrumentation applications.
- Active Filters: Its high slew rates and low noise make it suitable for active filter designs.
- Signal Buffering: The TLC272IDRG4 can be used as a signal buffer to isolate and protect sensitive circuits from loading effects.
- Remote and Battery-Powered Applications: The single-supply operation and low power consumption make it ideal for remote and battery-powered applications.
Q & A
- What is the typical input offset voltage of the TLC272IDRG4?
The typical input offset voltage is 1.1 mV at 25°C.
- What is the input offset voltage drift of the TLC272IDRG4?
The input offset voltage drift is typically 0.1 µV/Month, including the first 30 days.
- What is the supply voltage range for the TLC272IDRG4?
The supply voltage range is from 3 V to 16 V, depending on the temperature range.
- Does the TLC272IDRG4 support single-supply operation?
Yes, it supports single-supply operation, making it suitable for battery-powered applications.
- What is the typical input impedance of the TLC272IDRG4?
The typical input impedance is 10^12 Ω.
- What is the common-mode rejection ratio (CMRR) of the TLC272IDRG4?
The CMRR is typically between 65 dB and 95 dB.
- Does the TLC272IDRG4 have ESD protection?
Yes, it includes internal ESD-protection circuits that can withstand up to 2000 V as tested under MIL-STD-883C, Method 3015.2.
- What are some common applications of the TLC272IDRG4?
Common applications include transducer interfacing, analog calculations, amplifier blocks, active filters, and signal buffering.
- What is the typical noise level of the TLC272IDRG4?
The typical noise level is 25 nV/√Hz at f = 1 kHz.
- What is the high-level output voltage of the TLC272IDRG4?
The high-level output voltage is typically between 3 V and 3.8 V with a load resistance of 10 kΩ.
