Overview
The LM2904VQDRG4Q1 is a dual operational amplifier (op-amp) produced by Texas Instruments, designed to meet the stringent requirements of automotive and other environmentally challenging applications. This device is part of the LM2904-Q1 family, which includes the LM2904B-Q1 and LM2904BA-Q1 variants. It is AEC Q-100 qualified, ensuring compliance with automotive industry standards. The LM2904VQDRG4Q1 offers enhanced features such as low offset voltage, high ESD protection, and integrated EMI and RF filters, making it ideal for rugged and demanding environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | |
| Total Supply Voltage (Max) | 36 | V |
| Total Supply Voltage (Min) | 3 | V |
| Rail-to-Rail | In to V- | |
| Unity-Gain Bandwidth (Typ) | 1.2 | MHz |
| Slew Rate (Typ) | 0.5 | V/us |
| Input Offset Voltage (Max) at 25°C | 3 (LM2904B-Q1), 2 (LM2904BA-Q1) | mV |
| Quiescent Current per Channel (Typ) | 0.3 | mA |
| Input Voltage Noise at 1 kHz (Typ) | 40 | nV/√Hz |
| Operating Temperature Range | -40 to 125 | °C |
| Offset Drift (Typ) | 3.5 | µV/°C |
| ESD Protection (HBM) | 2 kV | |
| Package | SOIC (D), 8 pins |
Key Features
- AEC Q-100 qualified for automotive applications, ensuring compliance with industry standards.
- Wide supply range of 3 V to 36 V, making it versatile for various applications.
- Low input offset voltage: 2 mV (LM2904BA-Q1) and 3 mV (LM2904B-Q1) maximum at 25°C.
- Low quiescent current of 300 µA per channel (typical).
- Unity-gain bandwidth of 1.2 MHz and a slew rate of 0.5 V/µs (typical).
- Common-mode input voltage range includes ground, enabling direct sensing near ground.
- High differential input voltage capability.
- Internal RF and EMI filters for enhanced noise immunity.
- High ESD protection: 2 kV HBM classification.
Applications
The LM2904VQDRG4Q1 is designed for use in a variety of applications, particularly those that require robust performance in challenging environments. Key applications include:
- Automotive systems: Due to its AEC Q-100 qualification, it is suitable for use in automotive electronics such as sensors, actuators, and control systems.
- Industrial control systems: Its wide supply range and high ESD protection make it ideal for industrial control and monitoring applications.
- Medical devices: The low noise and high accuracy of the LM2904VQDRG4Q1 make it suitable for medical devices that require precise signal processing.
- Aerospace and defense: The device's ability to operate over a wide temperature range and its high reliability make it a good choice for aerospace and defense applications.
Q & A
- What is the operating temperature range of the LM2904VQDRG4Q1?
The operating temperature range is -40°C to 125°C.
- What is the maximum input offset voltage for the LM2904B-Q1 and LM2904BA-Q1?
The maximum input offset voltage is 3 mV for the LM2904B-Q1 and 2 mV for the LM2904BA-Q1 at 25°C.
- What is the typical quiescent current per channel for the LM2904VQDRG4Q1?
The typical quiescent current per channel is 300 µA.
- Does the LM2904VQDRG4Q1 have built-in EMI and RF filters?
Yes, the LM2904VQDRG4Q1 includes internal RF and EMI filters to enhance noise immunity.
- What is the ESD protection rating for the LM2904VQDRG4Q1?
The device has a 2 kV HBM ESD classification.
- What is the unity-gain bandwidth of the LM2904VQDRG4Q1?
The unity-gain bandwidth is 1.2 MHz.
- What is the common-mode input voltage range for the LM2904VQDRG4Q1?
The common-mode input voltage range includes ground, enabling direct sensing near ground.
- Is the LM2904VQDRG4Q1 AEC Q-100 qualified?
Yes, the LM2904VQDRG4Q1 is AEC Q-100 qualified for automotive applications.
- What package options are available for the LM2904VQDRG4Q1?
The device is available in SOIC (D), TSSOP, and VSSOP packages.
- What is the slew rate of the LM2904VQDRG4Q1?
The typical slew rate is 0.5 V/µs.
- What are some typical applications for the LM2904VQDRG4Q1?
Typical applications include automotive systems, industrial control systems, medical devices, and aerospace and defense applications.
