Overview
The LM2901AV-Q1 is a precision quad differential comparator from Texas Instruments, designed for automotive and industrial applications. This device is part of the next-generation LM2901x-Q1 family, offering enhanced performance and value for cost-sensitive applications. It features lower offset voltage, higher supply voltage capability, lower supply current, lower input bias current, and improved ESD performance. The LM2901AV-Q1 is qualified for the AEC-Q100 Grade 1 temperature range of -40°C to +125°C, making it suitable for harsh environments.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Supply Voltage (VS) | 2 | 32 | V | |
| Differential Input Voltage (VID) | ±36 | V | ||
| Input Voltage Range (VI) | (V–) – 0.1 | (V+) – 2.0 | V | |
| Input Offset Voltage (VIO) | -3.5 | ±0.37 | 3.5 | mV |
| Input Bias Current (IB) | -50 | -25 | -3.5 | nA |
| Output Current (IO) | 0 | 4 | mA | |
| Ambient Temperature (TA) | -40 | 125 | °C | |
| Junction Temperature (TJ) | 150 | °C |
Key Features
- Qualified for automotive applications with AEC-Q100 Grade 1 certification.
- Functional Safety-Capable with available documentation to aid in system design.
- Lower offset voltage, higher supply voltage capability, lower supply current, and lower input bias current.
- Improved 2kV ESD performance.
- Drop-in replacement convenience.
- Operation from dual supplies with a difference between the two supplies within 2 V to 36 V.
- Outputs can be connected to other open-collector outputs.
Applications
- Automotive: HEV/EV and power train, infotainment and cluster, body control module.
- Industrial applications.
- Appliances.
Q & A
- What is the operating temperature range of the LM2901AV-Q1?
The operating temperature range is -40°C to +125°C.
- What is the maximum supply voltage for the LM2901AV-Q1?
The maximum supply voltage is 32 V.
- Is the LM2901AV-Q1 qualified for automotive applications?
Yes, it is qualified for automotive applications with AEC-Q100 Grade 1 certification.
- What are the key improvements in the LM2901AV-Q1 compared to previous models?
The key improvements include lower offset voltage, higher supply voltage capability, lower supply current, lower input bias current, and improved ESD performance.
- Can the LM2901AV-Q1 operate from dual supplies?
Yes, it can operate from dual supplies as long as the difference between the two supplies is within 2 V to 36 V.
- What is the typical input offset voltage of the LM2901AV-Q1?
The typical input offset voltage is ±0.37 mV.
- What is the maximum output current per comparator?
The maximum output current per comparator is 4 mA.
- Is the LM2901AV-Q1 functional safety-capable?
Yes, it is functional safety-capable with available documentation to aid in system design.
- What are the common applications of the LM2901AV-Q1?
Common applications include automotive (HEV/EV and power train, infotainment and cluster, body control module), industrial applications, and appliances.
- What is the junction temperature limit of the LM2901AV-Q1?
The junction temperature limit is 150°C.
