Overview
The OPA365AID is a high-speed operational amplifier manufactured by Texas Instruments. It is part of the OPAx365 family, known for its 50MHz gain bandwidth, low distortion, and high common-mode rejection ratio (CMRR). This single op-amp is available in several industry-standard packages, including SOIC-8 and SOT23-5. The device is designed for single-supply operation with supply voltages as low as ±1.1V (2.2V) and features true rail-to-rail input and output swing. The OPA365AID is particularly suited for applications requiring high linearity and low distortion, such as audio, signal conditioning, and sensor amplification.
Key Specifications
| Parameter | Value |
|---|---|
| Gain Bandwidth | 50 MHz |
| Input Offset Voltage | ±200 µV (typical) |
| Input Bias Current | ±1 pA (typical) |
| Input Noise Voltage Density | 5.5 nV/√Hz (typical) |
| Common-Mode Rejection Ratio (CMRR) | 120 dB (typical) |
| Power Supply Range | ±1.1V to ±2.75V (single supply: 2.2V to 5.5V) |
| Operating Temperature Range | -40°C to +125°C |
| Package Types | SOIC-8, SOT23-5 |
| Maximum Quiescent Current | 4.5 mA (typical) |
| Output Voltage Swing | Within 10 mV of the rails |
Key Features
- True Rail-to-Rail Input and Output Swing: The OPA365AID features input and output stages that can operate within 10 mV of the supply rails, making it suitable for a wide range of applications.
- Zero-Crossover Input Topology: This unique topology eliminates the input offset transition region, ensuring excellent common-mode performance over the entire input range.
- High CMRR and Low Distortion: The device boasts a high CMRR of 120 dB and low distortion, making it ideal for applications requiring high linearity.
- Internal ESD Protection: The OPA365AID includes internal electrostatic discharge (ESD) protection circuits on all pins, providing in-circuit input overdrive protection.
- High Input Impedance: The op-amp has high input impedance, which is beneficial for many signal conditioning applications.
Applications
- Audio Applications: The OPA365AID is suitable for audio circuits due to its low distortion and high linearity.
- Signal Conditioning: It is often used in signal conditioning circuits where high accuracy and low noise are required.
- Sensor Amplification: The device is used to amplify signals from various sensors, leveraging its high CMRR and low noise characteristics.
- Driving ADCs: The OPA365AID is an excellent choice for driving sampling analog-to-digital converters (ADCs) due to its high linearity and low distortion.
Q & A
- What is the gain bandwidth of the OPA365AID?
The gain bandwidth of the OPA365AID is 50 MHz.
- What are the available package types for the OPA365AID?
The OPA365AID is available in SOIC-8 and SOT23-5 packages.
- What is the operating temperature range of the OPA365AID?
The operating temperature range is -40°C to +125°C.
- Does the OPA365AID have internal ESD protection?
- What is the typical input offset voltage of the OPA365AID?
- What is the common-mode rejection ratio (CMRR) of the OPA365AID?
- Can the OPA365AID operate on a single supply?
- What are some common applications of the OPA365AID?
- Does the OPA365AID have rail-to-rail input and output swing?
- What is the maximum quiescent current of the OPA365AID?
