Overview
The LM2904DG4, produced by Texas Instruments, is a dual operational amplifier that belongs to the next-generation versions of the industry-standard op amps. It is designed to provide outstanding value for cost-sensitive applications with enhanced features such as unity-gain stability, low offset voltage, and low quiescent current. This device is particularly useful in a wide range of applications due to its high-voltage capability, common-mode input range to ground, and high differential input voltage capability.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Temperature Range | -40 | 125 | °C | |
| Supply Voltage Range | 3 | 36 | V | |
| Quiescent Current per Amplifier | 300 | 460 | 800 | µA |
| Input Offset Voltage (Non-A suffix) | 2 | 7 | mV | |
| Input Offset Voltage (A suffix) | 1 | 2 | mV | |
| Unity-Gain Bandwidth | 1.2 | MHz | ||
| Common-Mode Input Voltage Range | 0 | VCC - 1.5 | V | |
| High-Level Output Voltage (RL ≥ 10 kΩ) | VCC - 1.5 | V | ||
| Slew Rate (VCC + = 15 V, RL = 2 kΩ, CL = 100 pF) | 0.3 | 0.6 | V/µs |
Key Features
- Wide Supply Range: The LM2904DG4 operates over a wide supply voltage range of 3V to 36V, making it versatile for various applications.
- Low Quiescent Current: It has a typical quiescent current of 300µA per amplifier, which is beneficial for power-sensitive designs.
- Unity-Gain Stability: The device is internally compensated for unity-gain stability, ensuring reliable operation in a variety of configurations.
- Low Input Offset Voltage: The input offset voltage is as low as 2mV for the BA version and 3mV for the B version, enhancing the accuracy of the amplifier.
- Common-Mode Input Range to Ground: The common-mode input voltage range includes ground, allowing for direct sensing near ground.
- Integrated EMI and RF Filters: The device includes internal EMI and RF filters, making it suitable for environmentally challenging applications.
- High ESD Protection: It offers high ESD protection of up to 2kV (HBM), ensuring robustness against electrostatic discharge.
Applications
The LM2904DG4 is suitable for a wide range of applications, including:
- Cost-Sensitive Designs: Ideal for applications where cost is a critical factor without compromising on performance.
- Automotive Systems: Qualified for automotive applications requiring specific change control and manufactured in IATF 16949 certified facilities.
- Industrial Control Systems: Used in various industrial control systems due to its high differential input voltage capability and robust EMI and RF filtering.
- Power Supplies and Inverters: Suitable for use in power supplies, AC inverters, string inverters, and voltage frequency drives.
- Electronic Point-of-Sale Systems: Used in electronic point-of-sale systems and other commercial electronics.
Q & A
- What is the operating temperature range of the LM2904DG4?
The operating temperature range is from -40°C to 125°C.
- What is the supply voltage range for the LM2904DG4?
The supply voltage range is from 3V to 36V.
- What is the typical quiescent current per amplifier for the LM2904DG4?
The typical quiescent current per amplifier is 300µA.
- What is the input offset voltage for the LM2904DG4?
The input offset voltage is as low as 2mV for the BA version and 3mV for the B version.
- Does the LM2904DG4 have internal EMI and RF filters?
Yes, the device includes internal EMI and RF filters.
- What is the ESD protection level of the LM2904DG4?
The device offers high ESD protection of up to 2kV (HBM).
- What is the common-mode input voltage range for the LM2904DG4?
The common-mode input voltage range includes ground and extends up to VCC - 1.5V.
- What is the unity-gain bandwidth of the LM2904DG4?
The unity-gain bandwidth is 1.2MHz.
- Is the LM2904DG4 suitable for automotive applications?
Yes, it is qualified for automotive applications requiring specific change control and manufactured in IATF 16949 certified facilities.
- What are some common applications of the LM2904DG4?
Common applications include cost-sensitive designs, industrial control systems, power supplies, inverters, and electronic point-of-sale systems.
