Overview
The OPA2376AIDGKR is a dual, precision, low-noise, low quiescent current operational amplifier produced by Texas Instruments. This device is part of the OPAx376 family, which represents a new generation of operational amplifiers offering outstanding DC precision and AC performance. The OPA2376 is particularly noted for its rail-to-rail input and output, low offset voltage, and low noise characteristics, making it highly suitable for a variety of precision and portable applications.
The amplifier operates over a wide supply voltage range of 2.2 V to 5.5 V and is specified for operation from –40°C to +125°C. Its compact packaging options, including the VSSOP-8 package, make it ideal for space-constrained designs.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value | Unit |
|---|---|---|---|---|
| Input Offset Voltage (VOS) | 5 µV | - | 25 µV | µV |
| Input Noise Voltage Density | 7.5 nV/√Hz | - | - | nV/√Hz |
| 0.1 Hz to 10 Hz Noise | 0.8 µVPP | - | - | µVPP |
| Quiescent Current (IQ) | 760 µA | - | 950 µA | µA |
| Gain Bandwidth Product (GBW) | 5.5 MHz | - | - | MHz |
| Supply Voltage (VS) | 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 |
| Package Type | VSSOP-8 | - | - | - |
Key Features
- Low Noise: 7.5 nV/√Hz at 1 kHz and 0.8 µVPP from 0.1 Hz to 10 Hz.
- Low Offset Voltage: 5 µV (typical) and 25 µV (maximum).
- Low Quiescent Current: 760 µA (typical) and 950 µA (maximum).
- Rail-to-Rail Input and Output: Allows for full range of input and output signals.
- Single-Supply Operation: Operates from a single power supply with a wide voltage range of 2.2 V to 5.5 V.
- Space-Saving Packages: Available in VSSOP-8, DSBGA-8, and SOIC-8 packages.
- Excellent PSRR: High power supply rejection ratio, making it suitable for battery-powered applications without regulation.
- Internal ESD Protection: Built-in protection against electrostatic discharge.
Applications
- ADC Buffer: Suitable for driving the inputs of SAR ADCs and high-resolution converters.
- Audio Equipment: Ideal 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: Suitable for portable test equipment due to its low power consumption and compact packaging.
- Active Filtering: Used in active filter circuits requiring high precision and low noise.
- Sensor Signal Conditioning: Ideal for conditioning signals from sensors in various applications.
Q & A
- What is the typical input offset voltage of the OPA2376AIDGKR?
The typical input offset voltage is 5 µV.
- What is the noise voltage density at 1 kHz for the OPA2376AIDGKR?
The noise voltage density at 1 kHz is 7.5 nV/√Hz.
- What is the quiescent current of the OPA2376AIDGKR?
The typical quiescent current is 760 µA, with a maximum of 950 µA.
- What is the gain bandwidth product of the OPA2376AIDGKR?
The gain bandwidth product is 5.5 MHz.
- What is the operating temperature range of the OPA2376AIDGKR?
The operating temperature range is –40°C to +125°C.
- What are the available package types for the OPA2376AIDGKR?
The OPA2376 is available in VSSOP-8, DSBGA-8, and SOIC-8 packages.
- Is the OPA2376AIDGKR suitable for battery-powered applications?
- Does the OPA2376AIDGKR have internal ESD protection?
- What are some common applications of the OPA2376AIDGKR?
- Can the OPA2376AIDGKR drive large capacitive loads?
