Overview
The LM2904QDRG4Q1, part of the LM2904-Q1 family, is an industry-standard dual operational amplifier manufactured by Texas Instruments. This device has been qualified for automotive use in accordance with the AEC-Q100 specifications, ensuring its reliability and performance in harsh automotive environments. The LM2904B-Q1 and LM2904BA-Q1, which are next-generation versions of the LM2904-Q1, offer enhanced features such as unity-gain stability, low offset voltage, and low quiescent current, making them ideal for cost-sensitive applications.
Key Specifications
| Parameter | Typical | Maximum | Unit |
|---|---|---|---|
| Supply Voltage Range | 3 V to 36 V | - | V |
| Operating Temperature Range | -40°C to 125°C | - | °C |
| Input Offset Voltage | 0.3 mV (LM2904B-Q1), 1 mV (LM2904BA-Q1) | 3 mV (LM2904B-Q1), 2 mV (LM2904BA-Q1) | mV |
| Quiescent Current per Channel | 300 µA | - | µA |
| Unity-Gain Bandwidth | 1.2 MHz | - | MHz |
| Common-Mode Input Voltage Range | Includes ground | - | V |
| ESD Protection (HBM) | 2 kV | - | kV |
| Package Types | SOIC (8), TSSOP (8), VSSOP (8) | - | - |
Key Features
- Unity-gain stability and low offset voltage (typical 0.3 mV for LM2904B-Q1 and 1 mV for LM2904BA-Q1)
- Low quiescent current of 300 µA per channel
- Wide supply voltage range of 3 V to 36 V
- Common-mode input voltage range includes ground, enabling direct sensing near ground
- Internal RF and EMI filters for robust performance in harsh environments
- High ESD protection (2 kV, HBM)
- Functional Safety-Capable
Applications
- Automotive lighting and body electronics
- Automotive head unit and telematics control unit
- Emergency call (eCall) systems
- 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 LM2904QDRG4Q1? The operating temperature range is -40°C to 125°C.
- What is the typical input offset voltage of the LM2904B-Q1 and LM2904BA-Q1? The typical input offset voltage is 0.3 mV for LM2904B-Q1 and 1 mV for LM2904BA-Q1.
- What is the quiescent current per channel for the LM2904B-Q1 and LM2904BA-Q1? The quiescent current per channel is typically 300 µA.
- What is the unity-gain bandwidth of the LM2904B-Q1 and LM2904BA-Q1? The unity-gain bandwidth is 1.2 MHz.
- Do the LM2904B-Q1 and LM2904BA-Q1 have internal RF and EMI filters? Yes, they do have internal RF and EMI filters.
- What is the ESD protection rating for the LM2904B-Q1 and LM2904BA-Q1? The ESD protection rating is 2 kV (HBM).
- What are the common package types for the LM2904QDRG4Q1? The common package types are SOIC (8), TSSOP (8), and VSSOP (8).
- Are the LM2904B-Q1 and LM2904BA-Q1 qualified for automotive use? Yes, they are qualified according to the AEC-Q100 specifications.
- What is the common-mode input voltage range for the LM2904B-Q1 and LM2904BA-Q1? The common-mode input voltage range includes ground.
- Can the LM2904B-Q1 and LM2904BA-Q1 be used in electric vehicle applications? Yes, they can be used in electric vehicle applications such as inverter and motor control, on-board charger, and battery management system.
