Overview
The LM2904VQDR is a dual operational amplifier (op-amp) produced by Texas Instruments. It is part of the LM2904 family, which is industry-standard and widely used in various applications. This device is designed to operate from a single supply over a wide range of voltages (3V to 26V) and can also operate from split supplies. The LM2904VQDR is known for its high gain, low offset voltage, and low quiescent current, making it suitable for demanding environments such as automotive and industrial applications.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Input Offset Voltage (VOS) | ±2 | ±3 | ±7 | mV |
| Input Offset Voltage Drift (dVOS/dT) | ±3.5 | ±7 | ±12 | µV/°C |
| Input Offset Current (IIO) | 2 | 50 | 150 | nA |
| Input Bias Current (IB) | -20 | -250 | -500 | nA |
| Common-mode Voltage Range (VCM) | V- + 1.5 | V+ - 2 | V | |
| Quiescent Current per Amplifier (IQ) | 300 | 460 | 800 | µA |
| Gain Bandwidth Product (GBP) | 0.7 | MHz | ||
| Slew Rate (SR) | 0.2 | 0.3 | 0.6 | V/µs |
| Output Voltage Swing from Rail | V- + 1.5 | V+ - 1.5 | V |
Key Features
- High Gain and Low Offset Voltage: The LM2904VQDR features a high open-loop voltage gain and low input offset voltage, making it suitable for precise signal amplification.
- Low Quiescent Current: The device has a low quiescent current, which is independent of the supply voltage magnitude, making it energy-efficient.
- Wide Operating Voltage Range: It can operate from a single supply of 3V to 26V or from split supplies, offering flexibility in various applications.
- High ESD Protection and EMI/RF Filters: The LM2904VQDR includes 2 kV HBM ESD protection and integrated EMI and RF filters, enhancing its robustness in harsh environments.
- Unity-Gain Stability: The device is unity-gain stable, simplifying circuit design.
Applications
- Transducer Amplifiers: Ideal for amplifying signals from transducers in various industrial and automotive applications.
- DC Amplification Blocks: Used in DC amplification circuits where high gain and low offset are required.
- Conventional Operational Amplifier Circuits: Suitable for a wide range of conventional op-amp applications.
- Automotive Systems: Qualified for automotive use, making it suitable for applications in vehicles.
- Industrial Control Systems: Used in industrial control systems where reliability and precision are critical.
Q & A
- What is the typical input offset voltage of the LM2904VQDR?
The typical input offset voltage is ±3 mV.
- What is the operating temperature range of the LM2904VQDR?
The operating temperature range is from -40°C to 125°C.
- What is the quiescent current per amplifier for the LM2904VQDR?
The quiescent current per amplifier is typically 300 µA to 460 µA, depending on the supply voltage.
- Does the LM2904VQDR have ESD protection?
Yes, it has 2 kV HBM ESD protection.
- What is the gain bandwidth product of the LM2904VQDR?
The gain bandwidth product is approximately 0.7 MHz.
- What are the common package types for the LM2904VQDR?
The device is available in SOIC, TSSOP, and VSSOP packages.
- Is the LM2904VQDR suitable for automotive applications?
Yes, it is qualified for automotive use according to AEC-Q100 standards.
- What is the slew rate of the LM2904VQDR?
The slew rate is typically 0.3 V/µs.
- Can the LM2904VQDR operate from a single supply or split supplies?
It can operate from either a single supply (3V to 26V) or split supplies.
- What are some typical applications of the LM2904VQDR?
Typical applications include transducer amplifiers, DC amplification blocks, and conventional operational amplifier circuits.
