Overview
The LM2904BA-Q1, produced by Texas Instruments, is an industry-standard operational amplifier specifically designed and qualified for automotive applications according to the AEC-Q100 specifications. This dual operational amplifier is part of the next-generation versions of the LM2904 family, offering enhanced features and robust performance. The LM2904BA-Q1 is ideal for cost-sensitive applications requiring high reliability and performance in rugged, environmentally challenging conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC (D) | - |
| Pins | 8 | - |
| Operating Temperature Range | -40 to 125 | °C |
| Supply Voltage Range | 3 to 36 | V |
| Supply Current per Channel | 300 µA (typical) | µA |
| Unity-Gain Bandwidth | 1.2 MHz | MHz |
| Input Offset Voltage | 2 mV (maximum at 25°C) | mV |
| Common-Mode Input Voltage Range | Includes ground | - |
| Differential Input Voltage Range | Equal to the power supply voltage | - |
| ESD Classification (HBM) | 2 kV | kV |
| ESD Classification (CDM) | C5 | - |
Key Features
- AEC Q-100 qualified for automotive applications
- Temperature grade 1: –40°C to +125°C
- Wide supply range of 3 V to 36 V
- Low input offset voltage of 2 mV at 25°C (maximum)
- Unity-gain bandwidth of 1.2 MHz
- Common-mode input voltage range includes ground, enabling direct sensing near ground
- Internal RF and EMI filter
- Functional Safety-Capable
- High ESD protection (2 kV, HBM)
- Low quiescent current of 300 µA (typical) per channel
Applications
- Automotive control systems
- Telecom equipment
- Power management
- Industrial control systems
- Transducer amplifiers
- Conventional op-amp circuits (integrator, differentiator, summer, adder, voltage follower)
- DC gain blocks, digital multimeters, oscilloscopes
- Comparators (loop control & regulation)
Q & A
- What is the operating temperature range of the LM2904BA-Q1?
The operating temperature range is from -40°C to 125°C.
- What is the supply voltage range for the LM2904BA-Q1?
The supply voltage range is from 3 V to 36 V.
- What is the typical supply current per channel for the LM2904BA-Q1?
The typical supply current per channel is 300 µA.
- What is the unity-gain bandwidth of the LM2904BA-Q1?
The unity-gain bandwidth is 1.2 MHz.
- What is the maximum input offset voltage of the LM2904BA-Q1 at 25°C?
The maximum input offset voltage is 2 mV at 25°C.
- Does the LM2904BA-Q1 have internal EMI and RF filters?
Yes, it has internal RF and EMI filters.
- What is the ESD classification for the LM2904BA-Q1 according to the Human Body Model (HBM)?
The ESD classification is 2 kV according to the HBM.
- Is the LM2904BA-Q1 qualified for automotive applications?
Yes, it is AEC Q-100 qualified for automotive applications.
- What are some common applications of the LM2904BA-Q1?
Common applications include automotive control systems, telecom equipment, power management, and industrial control systems.
- What package types are available for the LM2904BA-Q1?
The LM2904BA-Q1 is available in an SOIC (D) package with 8 pins.
