Overview
The LM2901N, produced by Texas Instruments, is a next-generation quad voltage comparator that belongs to the LM2901 family. This device is an enhanced version of the industry-standard LM339 and LM2901 comparators, offering improved specifications and performance. The LM2901N features four independent voltage comparators designed to operate from a single power supply over a wide range of voltages, making it versatile for various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | 14-DIP (0.300, 7.62mm) | |
| Operating Temperature Range | -40 to 125 | °C |
| Maximum Supply Voltage | 38 | V |
| Differential Input Voltage Range | ±38 | V |
| Input Offset Voltage | 0.37 | mV |
| Input Bias Current | 3.5 | nA |
| Supply Current per Comparator | 200 | µA |
| Propagation Delay | 1.3 | µs |
| ESD Rating (HBM) | 2k | V |
| Output Type | CMOS, MOS, Open-Collector, TTL |
Key Features
- Improved specifications of B-version, including lower offset voltage, higher supply voltage capability, lower supply current, and lower input bias current.
- Maximum supply voltage rating up to 38 V.
- ESD rating (HBM) of 2 kV for enhanced input ruggedness.
- Low input offset voltage of 0.37 mV and low input bias current of 3.5 nA.
- Low supply current of 200 µA per comparator.
- Faster response time of 1.3 µs.
- Common-mode input voltage range includes ground.
- Differential input voltage range equal to the maximum-rated supply voltage (±38 V).
- Low output saturation voltage.
- Output compatible with TTL, MOS, and CMOS.
- B-version is a drop-in replacement for LM239, LM339, and LM2901 A and V versions.
Applications
The LM2901N is suitable for a wide range of applications due to its versatility and improved performance. Some common applications include:
- Analog-to-digital converters.
- Threshold detectors.
- Window comparators.
- Level detectors.
- Line receivers.
- Automotive and industrial control systems.
Q & A
- What is the maximum supply voltage for the LM2901N?
The maximum supply voltage for the LM2901N is up to 38 V.
- What is the input offset voltage of the LM2901N?
The input offset voltage of the LM2901N is 0.37 mV.
- What is the propagation delay of the LM2901N?
The propagation delay of the LM2901N is 1.3 µs.
- What is the ESD rating (HBM) of the LM2901N?
The ESD rating (HBM) of the LM2901N is 2 kV.
- Is the LM2901N compatible with TTL, MOS, and CMOS outputs?
- What is the operating temperature range of the LM2901N?
The operating temperature range of the LM2901N is -40°C to 125°C.
- Can the LM2901N replace older versions of comparators?
- What is the supply current per comparator for the LM2901N?
The supply current per comparator for the LM2901N is 200 µA.
- What is the differential input voltage range of the LM2901N?
The differential input voltage range of the LM2901N is equal to the maximum-rated supply voltage, ±38 V.
- What package types are available for the LM2901N?
The LM2901N is available in 14-DIP (0.300, 7.62mm) and other package types such as SOIC and TSSOP.
