Overview
The OPA376AIDBVRG4 is a low-noise, low quiescent current, precision operational amplifier produced by Texas Instruments. This device is part of the OPA376 family, which offers outstanding DC precision and AC performance. It features rail-to-rail input and output, low offset voltage, and a wide supply voltage range, making it suitable for various precision and portable applications.
The OPA376AIDBVRG4 is particularly attractive for applications that require high accuracy and low power consumption, such as ADC buffering, audio equipment, medical instrumentation, handheld test equipment, active filtering, and sensor signal conditioning.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Noise Voltage Spectral Density | 7.5 | nV/√Hz |
| Input Offset Voltage | 5 | μV (typ), 25 μV (max) |
| Gain Bandwidth Product | 5.5 | MHz |
| Slew Rate | 2 | V/μs |
| Quiescent Current | 760 | μA (typical), 950 μA (max) |
| Supply Voltage Range | 2.2 to 5.5 | V |
| Output Current per Channel | 50 | mA |
| Common Mode Rejection Ratio (CMRR) | 90 | dB |
| Power Supply Rejection Ratio (PSRR) | 106.02 | dB |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | SOT-23-5 |
Key Features
- Low Noise: 7.5 nV/√Hz at 1 kHz, making it suitable for high-precision applications.
- Low Offset Voltage: 5 μV (typical), ensuring high DC accuracy.
- Rail-to-Rail Input and Output: Allows for maximum signal range and flexibility.
- Single-Supply Operation: Can operate from a single supply voltage between 2.2 V and 5.5 V.
- Space-Saving Packages: Available in SC70, SOT-23, DSBGA, VSSOP, and TSSOP packages.
- EMI Hardened: Designed to be resilient against electromagnetic interference.
- Wide Operating Temperature Range: Specified for operation from -40°C to +125°C.
Applications
- ADC Buffer: Ideal for buffering analog-to-digital converter inputs due to its low noise and high precision.
- Audio Equipment: Suitable for audio applications requiring low noise and high fidelity.
- Medical Instrumentation: Used in medical devices where high precision and low noise are critical.
- Handheld Test Equipment: Perfect for portable test equipment due to its low power consumption and small size.
- Active Filtering: Used in active filter circuits where precision and low noise are essential.
- Sensor Signal Conditioning: Ideal for conditioning signals from sensors in various industrial and medical applications.
Q & A
- What is the typical input noise voltage spectral density of the OPA376AIDBVRG4?
7.5 nV/√Hz at 1 kHz.
- What is the maximum input offset voltage of the OPA376AIDBVRG4?
25 μV.
- What is the gain bandwidth product of the OPA376AIDBVRG4?
5.5 MHz.
- What is the typical quiescent current of the OPA376AIDBVRG4?
760 μA.
- What is the supply voltage range of the OPA376AIDBVRG4?
2.2 V to 5.5 V.
- What is the maximum output current per channel of the OPA376AIDBVRG4?
50 mA.
- What is the common mode rejection ratio (CMRR) of the OPA376AIDBVRG4?
90 dB.
- What is the operating temperature range of the OPA376AIDBVRG4?
-40°C to +125°C.
- In what packages is the OPA376AIDBVRG4 available?
SC70, SOT-23, DSBGA, VSSOP, and TSSOP.
- Is the OPA376AIDBVRG4 EMI hardened?
Yes, it is designed to be resilient against electromagnetic interference.
