Overview
The LM2904BAQDGKRQ1 is a dual operational amplifier (op-amp) produced by Texas Instruments, designed for automotive and other demanding applications. It is part of the LM2904 family, which includes the LM2904-Q1, LM2904B-Q1, and LM2904BA-Q1. These devices are AEC Q-100 qualified, ensuring they meet stringent automotive standards. The LM2904BAQDGKRQ1 operates over a wide temperature range of –40°C to +125°C, making it suitable for harsh environmental conditions.
Key Specifications
| Specification | Value |
|---|---|
| Package | VSSOP (DGK), 8 pins |
| Operating Temperature Range | –40°C to +125°C |
| Supply Voltage Range | 3 V to 36 V |
| Quiescent Current per Channel | 300 µA (typical) |
| Unity-Gain Bandwidth | 1.2 MHz |
| Input Offset Voltage | 2 mV (maximum at 25°C) |
| Common-Mode Input Voltage Range | Includes ground |
| Output Current per Channel | 30 mA |
| ESD Classification | 2 kV (HBM), C5 (CDM) |
| Integrated EMI and RF Filters | Yes |
Key Features
- AEC Q-100 qualified for automotive applications
- Wide supply voltage range of 3 V to 36 V
- Low input offset voltage (2 mV maximum at 25°C)
- Low quiescent current of 300 µA per channel (typical)
- Unity-gain bandwidth of 1.2 MHz
- Common-mode input voltage range includes ground
- High differential input voltage capability
- Integrated EMI and RF filters
- High ESD protection (2 kV, HBM; C5, CDM)
- Functional safety-capable
Applications
- Automotive systems due to AEC Q-100 qualification
- Transducer amplifiers
- Conventional op-amp circuits (integrator, differentiator, summer, adder, voltage follower)
- DC gain blocks
- Digital multimeters and oscilloscopes
- Comparators (loop control and regulation)
- DVD players and guitar amplifiers
Q & A
- What is the operating temperature range of the LM2904BAQDGKRQ1?
The operating temperature range is –40°C to +125°C.
- What is the supply voltage range for the LM2904BAQDGKRQ1?
The supply voltage range is 3 V to 36 V.
- What is the typical quiescent current per channel for the LM2904BAQDGKRQ1?
The typical quiescent current per channel is 300 µA.
- What is the unity-gain bandwidth of the LM2904BAQDGKRQ1?
The unity-gain bandwidth is 1.2 MHz.
- Does the LM2904BAQDGKRQ1 have integrated EMI and RF filters?
Yes, it does have integrated EMI and RF filters.
- What is the maximum input offset voltage for the LM2904BAQDGKRQ1 at 25°C?
The maximum input offset voltage is 2 mV at 25°C.
- What is the common-mode input voltage range for the LM2904BAQDGKRQ1?
The common-mode input voltage range includes ground.
- Is the LM2904BAQDGKRQ1 suitable for automotive applications?
Yes, it is AEC Q-100 qualified for automotive applications.
- What is the output current per channel for the LM2904BAQDGKRQ1?
The output current per channel is 30 mA).
- Does the LM2904BAQDGKRQ1 have high ESD protection?
Yes, it has high ESD protection (2 kV, HBM; C5, CDM)).
- What are some common applications of the LM2904BAQDGKRQ1?
Common applications include transducer amplifiers, conventional op-amp circuits, DC gain blocks, digital multimeters, oscilloscopes, and comparators).
