Overview
The LM2904AVQDRQ1 is an automotive-grade, dual operational amplifier produced by Texas Instruments. It is part of the LM2904-Q1 family, which includes the LM2904B-Q1 and LM2904BA-Q1, designed to meet the stringent requirements of the automotive industry. These operational amplifiers are AEC-Q100 qualified, ensuring they can operate reliably in harsh automotive environments. They feature a wide supply voltage range, low input offset voltage, and high differential input voltage capability, making them suitable for various automotive applications.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VS) | 3 | - | 36 | V |
| Operating Temperature (TA) | -40 | - | 125 | °C |
| Input Offset Voltage (VOS) at 25°C | - | 0.3 | 3 (LM2904B-Q1), 2 (LM2904BA-Q1) | mV |
| Unity-Gain Bandwidth | - | 1.2 | - | MHz |
| Quiescent Current per Channel | - | 300 | 460 | µA |
| Common-Mode Input Voltage Range | V- | - | V+ - 1.5 | V |
| Slew Rate | - | 0.3 | - | V/µs |
| Input Voltage Noise Density | - | 40 | - | nV/√Hz |
| Package Type | - | - | SOIC (D) 8-pin | - |
Key Features
- AEC-Q100 qualified for automotive applications
- Temperature grade 1: –40°C to +125°C
- Device HBM ESD classification 2 and CDM ESD classification C5
- Wide supply range of 3 V to 36 V
- Low input offset voltage (maximum 2 mV for LM2904BA-Q1 and 3 mV for LM2904B-Q1 at 25°C)
- Common-mode input voltage range includes ground, enabling direct sensing near ground
- Internal RF and EMI filter
- Functional Safety-Capable
- Unity-gain bandwidth of 1.2 MHz
- Low quiescent current of 300 µA per channel (typical)
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)
- Transducer amplifiers
- DC amplification blocks
- Conventional operational amplifier circuits in single-supply-voltage systems
Q & A
- What is the operating temperature range of the LM2904AVQDRQ1?
The operating temperature range is –40°C to +125°C.
- What is the supply voltage range for the LM2904AVQDRQ1?
The supply voltage range is 3 V to 36 V.
- What is the typical quiescent current per channel for the LM2904AVQDRQ1?
The typical quiescent current per channel is 300 µA.
- What is the maximum input offset voltage for the LM2904B-Q1 and LM2904BA-Q1 at 25°C?
The maximum input offset voltage is 3 mV for LM2904B-Q1 and 2 mV for LM2904BA-Q1.
- Does the LM2904AVQDRQ1 have built-in EMI and RF filters?
- What are some common applications for the LM2904AVQDRQ1?
Common applications include automotive lighting, body electronics, automotive head units, telematics control units, and electric vehicle systems.
- What is the package type for the LM2904AVQDRQ1?
The package type is SOIC (D) with 8 pins.
- Is the LM2904AVQDRQ1 AEC-Q100 qualified?
- What is the unity-gain bandwidth of the LM2904AVQDRQ1?
The unity-gain bandwidth is 1.2 MHz.
- What is the slew rate of the LM2904AVQDRQ1?
The slew rate is 0.3 V/µs.
