Overview
The OPA2992IDDFR is a dual operational amplifier produced by Texas Instruments. It is part of the OPAx992 family, known for its low offset voltage, low noise, and rail-to-rail input and output capabilities. This device is particularly useful in applications requiring high precision and low noise, such as in industrial, medical, and automotive systems. The OPA2992IDDFR comes in an 8-pin SOT-23 (DDF) package, making it suitable for space-constrained designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | |
| Package Type | SOT-23 (DDF) | |
| Number of Pins | 8 | |
| Operating Temperature Range | -40 to 125 | °C |
| Supply Voltage Range | 2.7 to 40 | V |
| Input Offset Voltage (VOS) | ±0.21 mV (typ), ±1.2 mV (max) | mV |
| Input Offset Voltage Drift (dVOS/dT) | ±0.25 µV/°C | µV/°C |
| Noise (at 1 kHz) | 7 nV/√Hz | nV/√Hz |
| Open-Loop Gain (AOL) | 120 dB (typ), 142 dB (max) | dB |
| Quiescent Current per Amplifier | 2.4 mA (typ), 2.84 mA (max) | mA |
| Short-Circuit Current | ±65 mA | mA |
Key Features
- Low Offset Voltage: ±210 µV, with a low offset voltage drift of ±0.25 µV/°C, ensuring high precision in various operating conditions.
- Low Noise: 7 nV/√Hz at 1 kHz and 4.4 nV/√Hz broadband, making it suitable for noise-sensitive applications.
- Rail-to-Rail Input and Output: Allows the input and output signals to swing from the negative to the positive supply rail, maximizing dynamic range.
- High Open-Loop Gain: 120 dB (typical), ensuring high accuracy in amplification.
- Wide Supply Voltage Range: Operates from 2.7 V to 40 V, making it versatile for various power supply configurations.
- Compact Package: Available in an 8-pin SOT-23 (DDF) package, ideal for space-constrained designs.
Applications
- Industrial Automation: Used in control systems, sensors, and actuators where precision and reliability are crucial.
- Medical Devices: Suitable for medical equipment requiring low noise and high precision, such as ECG and EEG machines.
- Automotive Systems: Applied in automotive sensors, control units, and other systems that demand robust performance over a wide temperature range.
- Current Sensing: Often used in high-side and low-side current sensing applications due to its rail-to-rail capabilities and low offset voltage.
- Aerospace and Defense: Used in various military and aerospace applications where high reliability and precision are essential.
Q & A
- What is the typical input offset voltage of the OPA2992IDDFR?
The typical input offset voltage is ±0.21 mV.
- What is the operating temperature range of the OPA2992IDDFR?
The operating temperature range is -40°C to 125°C.
- What is the supply voltage range for the OPA2992IDDFR?
The supply voltage range is from 2.7 V to 40 V.
- What is the noise level of the OPA2992IDDFR at 1 kHz?
The noise level at 1 kHz is 7 nV/√Hz.
- What is the open-loop gain of the OPA2992IDDFR?
The typical open-loop gain is 120 dB.
- What is the quiescent current per amplifier for the OPA2992IDDFR?
The typical quiescent current per amplifier is 2.4 mA.
- What is the short-circuit current of the OPA2992IDDFR?
The short-circuit current is ±65 mA.
- In what package is the OPA2992IDDFR available?
The OPA2992IDDFR is available in an 8-pin SOT-23 (DDF) package.
- What are some common applications of the OPA2992IDDFR?
Common applications include industrial automation, medical devices, automotive systems, current sensing, and aerospace and defense.
- Does the OPA2992IDDFR have rail-to-rail input and output capabilities?
Yes, the OPA2992IDDFR has rail-to-rail input and output capabilities.
