Overview
The LM2904BQDRQ1 is an industry-standard dual operational amplifier designed and qualified for automotive applications by Texas Instruments. It is part of the LM2904-Q1 family, which includes the LM2904B-Q1 and LM2904BA-Q1 models. These amplifiers are AEC-Q100 qualified, ensuring they meet the stringent requirements for automotive use. The LM2904BQDRQ1 operates over a wide supply range of 3 V to 36 V and is characterized by its high unity-gain bandwidth, low input offset voltage, and integrated EMI and RF filters, making it suitable for rugged and environmentally challenging applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 3 to 36 | V |
| Supply Current per Channel (Typical) | 300 | µA |
| Unity-Gain Bandwidth (Typical) | 1.2 | MHz |
| Input Offset Voltage (Maximum at 25°C) | 3 | mV |
| Common-Mode Input Voltage Range | Includes ground | |
| Operating Temperature Range | -40 to 125 | °C |
| ESD Classification (HBM) | 2 kV | |
| Package Types | SOIC (8), TSSOP (8), VSSOP (8) |
Key Features
- AEC-Q100 qualified for automotive applications with a temperature grade of -40°C to +125°C.
- Wide supply range of 3 V to 36 V.
- Low supply 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.
- Low input offset voltage of 3 mV at 25°C (maximum).
- Internal RF and EMI filters.
- Functional Safety-Capable with documentation available to aid in functional safety system design.
- High ESD protection (2 kV, HBM) and CDM ESD classification C5.
Applications
The LM2904BQDRQ1 is designed for use in the automotive industry, particularly in applications that require high reliability and robust performance under harsh environmental conditions. It is suitable for various automotive systems, including sensor interfaces, control systems, and other critical automotive electronics where operational amplifiers need to operate reliably over a wide temperature range.
Q & A
- What is the operating temperature range of the LM2904BQDRQ1?
The operating temperature range is -40°C to +125°C.
- What is the supply voltage range for the LM2904BQDRQ1?
The supply voltage range is 3 V to 36 V.
- What is the typical unity-gain bandwidth of the LM2904BQDRQ1?
The typical unity-gain bandwidth is 1.2 MHz.
- Does the LM2904BQDRQ1 have integrated EMI and RF filters?
Yes, the LM2904BQDRQ1 has internal RF and EMI filters.
- What is the maximum input offset voltage at 25°C for the LM2904BQDRQ1?
The maximum input offset voltage at 25°C is 3 mV.
- Is the LM2904BQDRQ1 AEC-Q100 qualified?
Yes, the LM2904BQDRQ1 is AEC-Q100 qualified for automotive applications.
- What are the package options available for the LM2904BQDRQ1?
The package options include SOIC (8), TSSOP (8), and VSSOP (8).
- What is the typical supply current per channel for the LM2904BQDRQ1?
The typical supply current per channel is 300 µA.
- Does the LM2904BQDRQ1 have high ESD protection?
Yes, it has high ESD protection with a 2 kV HBM classification.
- Is the LM2904BQDRQ1 functional safety-capable?
Yes, the LM2904BQDRQ1 is functional safety-capable with available documentation to aid in functional safety system design.
