Overview
The LM2904B-Q1, produced by Texas Instruments, is an industry-standard dual operational amplifier designed for automotive applications. It is qualified according to the AEC-Q100 specifications, ensuring reliability and performance in harsh automotive environments. This device is part of the next-generation LM2904 series, offering enhanced features such as low offset voltage, unity-gain stability, and high ESD protection. The LM2904B-Q1 is suitable for a wide range of automotive applications, including lighting, body electronics, and safety systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Temperature Range | –40°C to 125°C | °C |
| Supply Voltage Range | 3 V to 36 V | V |
| Supply Current per Channel | 300 µA (typical) | µA |
| Unity-Gain Bandwidth | 1.2 MHz | MHz |
| Input Offset Voltage | 3 mV (maximum at 25°C) | mV |
| Common-Mode Input Voltage Range | Includes ground | |
| Input Bias Current | –20 to –250 nA | nA |
| ESD Protection | 2 kV (HBM) | kV |
| Package Types | SOIC (8), TSSOP (8), VSSOP (8) | |
| Package Body Size (Nominal) | SOIC: 4.90 mm × 3.90 mm, TSSOP: 3.00 mm × 4.40 mm, VSSOP: 3.00 mm × 3.00 mm | mm |
Key Features
- AEC-Q100 qualified for automotive applications
- Wide supply voltage range: 3 V to 36 V
- Low supply current: 300 µA per channel (typical)
- Unity-gain bandwidth of 1.2 MHz
- Common-mode input voltage range includes ground
- Low input offset voltage: 3 mV (maximum at 25°C)
- Internal RF and EMI filters
- High ESD protection: 2 kV (HBM)
- Functional Safety-Capable
Applications
- Automotive lighting
- Body electronics
- Automotive head unit
- Telematics control unit
- Emergency call (eCall)
- Passive safety: brake system
- Electric vehicle / hybrid electric: inverter and motor control, on-board (OBC) and wireless charger, battery management system (BMS)
Q & A
- What is the operating temperature range of the LM2904B-Q1?
The operating temperature range is –40°C to 125°C. - What is the supply voltage range for the LM2904B-Q1?
The supply voltage range is 3 V to 36 V. - What is the typical supply current per channel for the LM2904B-Q1?
The typical supply current per channel is 300 µA. - What is the unity-gain bandwidth of the LM2904B-Q1?
The unity-gain bandwidth is 1.2 MHz. - What is the input offset voltage of the LM2904B-Q1?
The maximum input offset voltage at 25°C is 3 mV. - Does the LM2904B-Q1 have ESD protection?
Yes, it has 2 kV HBM ESD protection. - What are the available package types for the LM2904B-Q1?
The available package types are SOIC (8), TSSOP (8), and VSSOP (8). - What are some typical applications of the LM2904B-Q1?
Typical applications include automotive lighting, body electronics, automotive head units, telematics control units, and safety systems. - Is the LM2904B-Q1 suitable for use in electric vehicles?
Yes, it is suitable for use in electric vehicles and hybrid electric vehicles, particularly in inverter and motor control, on-board chargers, and battery management systems. - Does the LM2904B-Q1 have internal RF and EMI filters?
Yes, it has integrated RF and EMI filters.
