Overview
The LM2901DRE4 is a quad differential comparator produced by Texas Instruments. It is part of the next-generation B-version comparators, which offer improved specifications over their predecessors. This device consists of four independent precision voltage comparators designed to operate from a single power supply over a wide range of voltages. The LM2901B is a drop-in replacement for the LM239, LM339, and LM2901 A and V versions, making it highly versatile for various applications.
Key Specifications
| Parameter | Typical Value | Maximum Value | Unit |
|---|---|---|---|
| Maximum-Rated Supply Voltage | - | ±38 | V |
| Input Offset Voltage | 0.37 | 5.5 | mV |
| Input Bias Current | 3.5 | 25 | nA |
| Supply Current (per comparator) | 200 | - | µA |
| Response Time | 1 | - | µs |
| Output Saturation Voltage | - | 700 | mV |
| Operating Temperature Range | - | -40 to 125 | °C |
| ESD Rating (HBM) | - | 2000 | V |
| Package Type | - | SOIC (D) 14 pins | - |
Key Features
- Improved specifications of B-version, including lower offset voltage, higher supply voltage capability, lower supply current, and lower input bias current.
- Maximum rating up to 38 V and ESD rating (HBM) of 2k V.
- 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 µsec.
- Common-mode input voltage range includes ground, and differential input voltage range equal to maximum-rated supply voltage.
- Low output saturation voltage and output compatible with TTL, MOS, and CMOS.
- Drop-in replacement for LM239, LM339, and LM2901 A and V versions.
Applications
- Industrial applications, including process control and monitoring systems.
- Automotive applications, such as in HEV/EV and power trains.
- General-purpose voltage comparison in various electronic circuits.
- Use in systems requiring high accuracy and low power consumption).
Q & A
- What is the maximum-rated supply voltage for the LM2901DRE4?
The maximum-rated supply voltage is up to ±38 V.
- What is the typical input offset voltage of the LM2901DRE4?
The typical input offset voltage is 0.37 mV).
- How much current does each comparator consume?
Each comparator consumes approximately 200 µA).
- What is the response time of the LM2901DRE4?
The response time is typically 1 µsec).
- Is the LM2901DRE4 compatible with TTL, MOS, and CMOS outputs?
- What is the operating temperature range of the LM2901DRE4?
- What is the ESD rating (HBM) of the LM2901DRE4?
- Can the LM2901DRE4 replace older versions of comparators?
- What package type is the LM2901DRE4 available in?
- What are some common applications of the LM2901DRE4?
