Overview
The OPA376AIDR is a precision operational amplifier from Texas Instruments, designed to offer outstanding DC precision and AC performance. This device is part of the OPA376 family, which features low noise, low quiescent current, and rail-to-rail input and output. It is particularly suited for precision and portable applications due to its wide supply range and excellent power supply rejection ratio (PSRR), making it ideal for use in battery-powered devices without the need for regulation.
Key Specifications
| Specification | Value |
|---|---|
| Package | SOIC (D) - 8 pins |
| Operating Temperature Range | -40°C to 125°C |
| Noise at 1 kHz | 7.5 nV/√Hz |
| Noise (0.1 Hz to 10 Hz) | 0.8 µV PP |
| Quiescent Current | 760 µA (typical), 950 µA (maximum) |
| Offset Voltage | 5 µV (typical), 25 µV (maximum) |
| Gain Bandwidth Product | 5.5 MHz |
| Supply Voltage | 2.2 V to 5.5 V |
Key Features
- Low Noise: 7.5 nV/√Hz at 1 kHz and 0.8 µV PP from 0.1 Hz to 10 Hz
- Low Quiescent Current: 760 µA (typical)
- Low Offset Voltage: 5 µV (typical)
- Rail-to-Rail Input and Output
- Single-Supply Operation
- Wide Supply Range: 2.2 V to 5.5 V
- Excellent PSRR: Suitable for battery-powered applications without regulation
- Space-Saving Packages: Available in SC70, SOT-23, DSBGA, VSSOP, TSSOP, and SOIC-8
Applications
The OPA376AIDR is highly versatile and suitable for a variety of precision and portable applications. These include:
- Precision instrumentation and measurement systems
- Portable medical devices
- Battery-powered equipment where low power consumption and high precision are critical
- Audio and video processing systems requiring low noise and high fidelity
- Industrial control and automation systems
Q & A
- What is the typical quiescent current of the OPA376AIDR? The typical quiescent current is 760 µA, with a maximum of 950 µA.
- What is the noise level of the OPA376AIDR at 1 kHz? The noise level at 1 kHz is 7.5 nV/√Hz.
- What is the operating temperature range of the OPA376AIDR? The operating temperature range is -40°C to 125°C.
- What are the available packages for the OPA376AIDR? The OPA376AIDR is available in SC70, SOT-23, DSBGA, VSSOP, TSSOP, and SOIC-8 packages.
- What is the supply voltage range for the OPA376AIDR? The supply voltage range is 2.2 V to 5.5 V.
- Does the OPA376AIDR support rail-to-rail input and output? Yes, the OPA376AIDR supports rail-to-rail input and output.
- What is the gain bandwidth product of the OPA376AIDR? The gain bandwidth product is 5.5 MHz.
- Is the OPA376AIDR suitable for battery-powered applications? Yes, it is suitable due to its wide supply range and excellent PSRR.
- What is the typical offset voltage of the OPA376AIDR? The typical offset voltage is 5 µV, with a maximum of 25 µV.
- What are some common applications of the OPA376AIDR? Common applications include precision instrumentation, portable medical devices, audio and video processing, and industrial control systems.
