Overview
The OPA376AIDBVT from Texas Instruments is a precision operational amplifier that belongs to the OPAx376 family. This device is known for its outstanding DC precision and AC performance, making it ideal for a variety of precision and portable applications. The OPA376AIDBVT is manufactured using TI's e-trim technology, which minimizes errors associated with input offset voltage and drift. It features low noise, rail-to-rail input and output, and a low quiescent current, making it suitable for battery-powered devices without regulation.
Key Specifications
| Parameter | Typical | Minimum | Maximum | Unit |
|---|---|---|---|---|
| Input Offset Voltage (VOS) | 5 μV | 0 μV | 25 μV | μV |
| Input Offset Voltage Drift (dVOS/dT) | 0.26 μV/°C | 0 μV/°C | 1 μV/°C | μV/°C |
| Quiescent Current (IQ) | 760 μA | 760 μA | 950 μA | μA |
| Gain Bandwidth Product (GBW) | 5.5 MHz | 5.5 MHz | 5.5 MHz | MHz |
| Slew Rate | 2 V/μs | 2 V/μs | 2 V/μs | V/μs |
| Supply Voltage Range | 2.2 V to 5.5 V | 2.2 V | 5.5 V | V |
| Operating Temperature Range | -40°C to +125°C | -40°C | +125°C | °C |
| Input Noise Voltage Spectral Density | 7.5 nV/√Hz | 7.5 nV/√Hz | 7.5 nV/√Hz | nV/√Hz |
| Common-Mode Rejection Ratio (CMRR) | 90 dB | 76 dB | 90 dB | dB |
Key Features
- Low Noise: 7.5 nV/√Hz input voltage noise density and 0.8 μVPP noise from 0.1 Hz to 10 Hz.
- Low Quiescent Current: Typical quiescent current of 760 μA, making it suitable for battery-powered applications.
- Rail-to-Rail Input and Output: Allows for full use of the supply voltage range.
- Low Offset Voltage: Typical input offset voltage of 5 μV, ensuring high precision.
- High Gain Bandwidth Product: 5.5 MHz, enabling fast and accurate signal processing.
- Wide Supply Range: Operates from 2.2 V to 5.5 V, suitable for various power supply configurations.
- Internal ESD Protection: Protects against electrostatic discharge on all pins.
- Space-Saving Packages: Available in SC70, SOT-23, DSBGA, VSSOP, TSSOP, and SOIC packages.
Applications
- ADC Buffer: Ideal for driving the inputs of SAR ADCs and high-resolution converters.
- Audio Equipment: Suitable for audio applications requiring low noise and high precision.
- Medical Instrumentation: Used in medical devices where precision and low noise are critical.
- Handheld Test Equipment: Perfect for portable test equipment due to its low power consumption.
- Active Filtering: Well-suited for filter applications requiring wide bandwidth and low noise.
- Sensor Signal Conditioning: Used to condition signals from various sensors in precision applications.
Q & A
- What is the typical input offset voltage of the OPA376AIDBVT?
The typical input offset voltage is 5 μV.
- What is the quiescent current of the OPA376AIDBVT?
The typical quiescent current is 760 μA.
- What is the gain bandwidth product of the OPA376AIDBVT?
The gain bandwidth product is 5.5 MHz.
- What is the slew rate of the OPA376AIDBVT?
The slew rate is 2 V/μs.
- What is the operating temperature range of the OPA376AIDBVT?
The operating temperature range is -40°C to +125°C.
- Does the OPA376AIDBVT have internal ESD protection?
Yes, it has internal ESD protection on all pins.
- In what packages is the OPA376AIDBVT available?
It is available in SC70, SOT-23, DSBGA, VSSOP, TSSOP, and SOIC packages.
- What is the common-mode rejection ratio (CMRR) of the OPA376AIDBVT?
The CMRR is typically 90 dB.
- Can the OPA376AIDBVT drive large capacitive loads?
Yes, it can drive large capacitive loads, but stability must be ensured based on the specific application.
- What are some common applications of the OPA376AIDBVT?
Common applications include ADC buffers, audio equipment, medical instrumentation, handheld test equipment, active filtering, and sensor signal conditioning.
