Overview
The LM2901AVQPWRG4 is a quad differential comparator produced by Texas Instruments. It is part of the LMx39/LM2901 family, which consists of four independent voltage comparators designed to operate from a single power supply over a wide range of voltages. This device is known for its high performance, low power consumption, and robust features, making it suitable for various applications in industrial, automotive, and consumer electronics.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 2 to 36 | V |
| Total Supply Current (5V to 36V max) | 0.8 to 1 | mA |
| Temperature Range | −40 to 125 | °C |
| ESD (HBM) | ±2000 | V |
| Offset Voltage (Max over temp) | ± 5.5 | mV |
| Input Bias Current (typ / max) | 3.5 / 25 | nA |
| Response Time (typ) | 1 | µsec |
| Differential Input Voltage Range | ±38 | V |
| Output Saturation Voltage | Low | - |
| Output Compatibility | TTL, MOS, CMOS | - |
Key Features
- Improved specifications of B-version, including lower offset voltage, higher supply voltage capability, lower supply current, and lower input bias current.
- Drop-in replacement for LM239, LM339, and LM2901 A and V versions.
- Common-mode input voltage range includes ground.
- Differential input voltage range equal to maximum-rated supply voltage: ±38 V.
- Low output saturation voltage.
- Output compatible with TTL, MOS, and CMOS.
- Faster response time of 1 µsec.
- Extended temperature range for LM2901B version.
- Improved 2 kV ESD performance and input ruggedness through dedicated ESD clamps.
Applications
- Vacuum robots
- Single-phase UPS
- Server power supplies
- Cordless power tools
- Wireless infrastructure
- Appliances
- Building automation
- Factory automation and control
- Motor drives
- Infotainment and cluster systems
Q & A
- What is the supply voltage range for the LM2901AVQPWRG4?
The supply voltage range is from 2 to 36 volts. - What is the typical response time of the LM2901AVQPWRG4?
The typical response time is 1 microsecond. - What is the ESD rating for the LM2901AVQPWRG4?
The ESD rating is ±2000 volts (HBM). - Is the LM2901AVQPWRG4 compatible with TTL, MOS, and CMOS outputs?
Yes, it is compatible with TTL, MOS, and CMOS outputs. - What is the temperature range for the LM2901AVQPWRG4?
The temperature range is from -40°C to 125°C. - Can the LM2901AVQPWRG4 be used as a drop-in replacement for other models?
Yes, it can be used as a drop-in replacement for LM239, LM339, and LM2901 A and V versions. - What is the differential input voltage range for the LM2901AVQPWRG4?
The differential input voltage range is ±38 volts. - What is the typical input bias current for the LM2901AVQPWRG4?
The typical input bias current is 3.5 nA. - What are some common applications for the LM2901AVQPWRG4?
Common applications include vacuum robots, single-phase UPS, server power supplies, cordless power tools, and more. - What is the maximum offset voltage for the LM2901AVQPWRG4?
The maximum offset voltage is ±5.5 mV.
