Overview
The LM2904BQPWRQ1 is an industry-standard, dual operational amplifier (op-amp) designed and qualified for automotive applications by Texas Instruments. This device is part of the LM2904B-Q1 series, which includes enhanced features and specifications tailored for the rigorous demands of the automotive industry. The LM2904BQPWRQ1 operates within a wide supply voltage range of 3 V to 36 V and is AEC-Q100 qualified, ensuring reliability and performance across a temperature range of –40°C to +125°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 3 V to 36 V | V |
| Operating Temperature Range | –40°C to +125°C | °C |
| Input Offset Voltage (Typical) | ±3 mV | mV |
| Quiescent Current per Amplifier (Typical) | 300 µA | µA |
| Unity-Gain Bandwidth | 1.2 MHz | MHz |
| Slew Rate | 0.5 V/µs | V/µs |
| Common-Mode Input Voltage Range | Includes ground | - |
| ESD Classification | HBM: 2 kV, CDM: C5 | - |
| Package Type | TSSOP (PW) with 8 pins | - |
Key Features
- AEC-Q100 qualified for automotive applications with a temperature grade 1: –40°C to +125°C.
- Wide supply voltage range of 3 V to 36 V.
- Low input offset voltage of ±3 mV (typical) for the LM2904B-Q1.
- Low quiescent current of 300 µA per channel (typical).
- 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 with documentation available to aid in functional safety system design.
- High ESD protection (HBM: 2 kV, CDM: C5).
Applications
- Automotive lighting systems.
- Body electronics.
- Automotive head units.
- Telematics control units.
- Emergency call (eCall) systems.
- Passive safety: brake systems.
- Electric vehicle/hybrid electric vehicle applications:
- Inverter and motor control.
- On-board (OBC) and wireless chargers.
- Battery management systems (BMS).
Q & A
- What is the operating temperature range of the LM2904BQPWRQ1?
The operating temperature range is –40°C to +125°C.
- What is the supply voltage range for the LM2904BQPWRQ1?
The supply voltage range is 3 V to 36 V.
- What is the typical input offset voltage for the LM2904BQPWRQ1?
The typical input offset voltage is ±3 mV.
- What is the quiescent current per amplifier for the LM2904BQPWRQ1?
The quiescent current per amplifier is typically 300 µA.
- What is the unity-gain bandwidth of the LM2904BQPWRQ1?
The unity-gain bandwidth is 1.2 MHz.
- Does the LM2904BQPWRQ1 have internal EMI and RF filters?
- What are the ESD protection levels for the LM2904BQPWRQ1?
The device has an HBM ESD classification of 2 kV and a CDM ESD classification of C5.
- In what package is the LM2904BQPWRQ1 available?
The LM2904BQPWRQ1 is available in a TSSOP (PW) package with 8 pins.
- What are some common applications for the LM2904BQPWRQ1?
Common applications include automotive lighting, body electronics, automotive head units, telematics control units, emergency call systems, and electric vehicle/hybrid electric vehicle systems.
- Is the LM2904BQPWRQ1 functional safety-capable?
