Overview
The OPA376AQDBVRQ1, part of the OPAx376-Q1 family, is a low-noise, low quiescent current, precision operational amplifier manufactured by Texas Instruments. This device is AEC-Q100 qualified for automotive applications and is functional-safety capable, making it suitable for a wide range of precision and portable applications. The OPA376-Q1 offers outstanding DC precision and AC performance, featuring rail-to-rail input and output, low offset voltage, and a wide supply voltage range from 2.2 V to 5.5 V. It is available in various space-saving packages, including SC70, SOT-23, and SOIC-8, and is designed to operate from –40°C to +125°C.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Input Offset Voltage (VOS) | 5 | 25 | 25 | μV |
| Input Offset Voltage Drift (dVOS/dT) | 0.26 | 1 | 2 | μV/°C |
| Quiescent Current | 760 | 950 | 1 mA | μA |
| Noise Voltage at 1 kHz | 7.5 | nV/√Hz | ||
| 0.1-Hz to 10-Hz Noise | 0.8 | μVPP | ||
| Gain Bandwidth Product | 5.5 | MHz | ||
| Supply Voltage Range | 2.2 | 5.5 | V | |
| Operating Temperature Range | –40 | +125 | °C |
Key Features
- AEC-Q100 Qualified: Suitable for automotive applications with a temperature range of –40°C to +125°C.
- Functional-Safety Capable: Documentation available to aid in functional safety system design.
- Low Noise: 7.5 nV/√Hz at 1 kHz and 0.8 μVPP from 0.1 Hz to 10 Hz.
- Low Quiescent Current: Typical 760 μA, maximum 950 μA.
- Low Offset Voltage: Typical 5 μV, maximum 25 μV.
- Rail-to-Rail Input and Output: Allows for full use of the supply voltage range.
- Single-Supply Operation: Operates from a single power supply with a range of 2.2 V to 5.5 V.
- Space-Saving Packages: Available in SC70, SOT-23, SOIC-8, and other packages.
- Internal ESD Protection: Protects against electrostatic discharge on all pins.
Applications
- Onboard (OBC) and Wireless Charger: Suitable for charging systems in automotive and other applications.
- Inverter and Motor Control: Used in control circuits for inverters and motor control systems.
- DC/DC Converter: Ideal for precision voltage regulation in DC/DC converters.
- Battery Management System (BMS): Used in battery monitoring and management systems.
Q & A
- What is the operating temperature range of the OPA376AQDBVRQ1?
The OPA376AQDBVRQ1 operates from –40°C to +125°C.
- What is the typical quiescent current of the OPA376AQDBVRQ1?
The typical quiescent current is 760 μA.
- What is the noise voltage at 1 kHz for the OPA376AQDBVRQ1?
The noise voltage at 1 kHz is 7.5 nV/√Hz.
- What is the gain bandwidth product of the OPA376AQDBVRQ1?
The gain bandwidth product is 5.5 MHz.
- Is the OPA376AQDBVRQ1 AEC-Q100 qualified?
Yes, the OPA376AQDBVRQ1 is AEC-Q100 qualified for automotive applications.
- What are the available packages for the OPA376AQDBVRQ1?
The device is available in SC70, SOT-23, SOIC-8, and other packages.
- Does the OPA376AQDBVRQ1 have internal ESD protection?
Yes, the OPA376AQDBVRQ1 has internal electrostatic discharge (ESD) protection on all pins.
- What is the supply voltage range for the OPA376AQDBVRQ1?
The supply voltage range is from 2.2 V to 5.5 V.
- Can the OPA376AQDBVRQ1 drive capacitive loads?
Yes, the OPA376AQDBVRQ1 can drive capacitive loads, but stability depends on the specific circuit configuration and gain.
- What are some typical applications of the OPA376AQDBVRQ1?
Typical applications include onboard chargers, inverter and motor control, DC/DC converters, and battery management systems.
