Overview
The LM2901AVQDRG4Q1 is a next-generation quad differential comparator produced by Texas Instruments. It is part of the LM339B and LM2901B family, which offers improved specifications over the previous versions. These comparators are designed to operate from a single power supply over a wide range of voltages, making them versatile for various applications. The LM2901AVQDRG4Q1 is a drop-in replacement for the LM239, LM339, and LM2901 in both 'A' and 'V' grades, ensuring compatibility with existing designs.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOIC (D), 14 pins |
| Operating Temperature Range | -40°C to 125°C |
| Supply Voltage Capability | Up to 38 V |
| ESD Rating (HBM) | 2 kV |
| Input Offset Voltage | 0.37 mV |
| Input Bias Current | 3.5 nA |
| Supply Current per Comparator | 200 µA |
| Propagation Delay | 1 µsec |
| Common-Mode Input Voltage Range | Includes ground |
| Differential Input Voltage Range | ±38 V |
| Output Compatibility | TTL, MOS, CMOS |
Key Features
- Improved specifications of B-version comparators, including lower offset voltage, higher supply voltage capability, lower supply current, and lower input bias current.
- Enhanced ESD performance with 2 kV ESD rating and improved input ruggedness through dedicated ESD clamps.
- Faster response time of 1 µsec.
- Extended temperature range: -40°C to 125°C.
- Drop-in replacement for LM239, LM339, and LM2901 in both 'A' and 'V' grades.
- Common-mode input voltage range includes ground, and differential input voltage range equal to maximum-rated supply voltage.
- Low output saturation voltage and output compatibility with TTL, MOS, and CMOS.
Applications
The LM2901AVQDRG4Q1 is suitable for a wide range of applications, including automotive systems due to its AEC-Q100 qualification. It can be used in various industrial and commercial environments where precise voltage comparison is required. Specific applications include power supply monitoring, battery management systems, and sensor signal processing. The device's ability to operate over a wide temperature range and its robust ESD protection make it particularly useful in harsh environments.
Q & A
- What is the operating temperature range of the LM2901AVQDRG4Q1?
The operating temperature range is -40°C to 125°C. - What is the maximum supply voltage capability of the LM2901AVQDRG4Q1?
The maximum supply voltage capability is up to 38 V. - What is the ESD rating of the LM2901AVQDRG4Q1?
The ESD rating is 2 kV (HBM). - How many independent voltage comparators does the LM2901AVQDRG4Q1 contain?
The device contains four independent voltage comparators. - Is the LM2901AVQDRG4Q1 compatible with TTL, MOS, and CMOS outputs?
Yes, the output is compatible with TTL, MOS, and CMOS. - Can the LM2901AVQDRG4Q1 be used as a drop-in replacement for other comparator models?
Yes, it can be used as a drop-in replacement for LM239, LM339, and LM2901 in both 'A' and 'V' grades. - What is the propagation delay of the LM2901AVQDRG4Q1?
The propagation delay is 1 µsec. - Is the LM2901AVQDRG4Q1 qualified for automotive applications?
Yes, it is AEC-Q100 qualified. - What is the input bias current of the LM2901AVQDRG4Q1?
The input bias current is 3.5 nA. - What is the supply current per comparator for the LM2901AVQDRG4Q1?
The supply current per comparator is 200 µA.
