Overview
The LM2901PWR, produced by Texas Instruments, is a quad differential comparator that represents the next generation of the industry-standard LM339 and LM2901 comparator family. The LM2901B version of this device features significant improvements over its predecessors, including lower offset voltage, higher supply voltage capability, lower supply current, and enhanced ESD performance. This component is 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 |
|---|---|---|
| Maximum Supply Voltage | Up to 38 | V |
| ESD Rating (HBM) | 2 kV | V |
| Input Offset Voltage | ±0.37 mV (typ), ±5.5 mV (max over temp) | mV |
| Input Bias Current | 3.5 nA (typ), 25 nA (max) | nA |
| Supply Current per Comparator | 200 µA | µA |
| Response Time | 1 µsec (typ) | µsec |
| Operating Temperature Range | -40 to 125 °C | °C |
| Common Mode Input Voltage Range | Includes ground, up to maximum-rated supply voltage | V |
| Differential Input Voltage Range | Equal to maximum-rated supply voltage: ±38 V | V |
| Output Compatibility | TTL, MOS, and CMOS | - |
| Package Type | TSSOP (PW) | - |
| Pins | 14 | - |
Key Features
- Improved specifications of B-version, including lower offset voltage and higher supply voltage capability.
- Maximum rating up to 38 V and ESD rating (HBM) of 2 kV.
- 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.
- Extended temperature range and common-mode input voltage range that includes ground.
- Differential input voltage range equal to the maximum-rated supply voltage: ±38 V.
- Low output saturation voltage and output compatibility with TTL, MOS, and CMOS.
- B-version is a drop-in replacement for LM239, LM339, and LM2901 A and V versions.
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 maximum supply voltage for the LM2901PWR?
The maximum supply voltage for the LM2901PWR is up to 38 V.
- What is the ESD rating of the LM2901PWR?
The ESD rating of the LM2901PWR is 2 kV (HBM).
- What is the typical input offset voltage of the LM2901PWR?
The typical input offset voltage of the LM2901PWR is ±0.37 mV.
- What is the input bias current of the LM2901PWR?
The input bias current of the LM2901PWR is typically 3.5 nA and a maximum of 25 nA.
- What is the supply current per comparator for the LM2901PWR?
The supply current per comparator for the LM2901PWR is 200 µA.
- What is the response time of the LM2901PWR?
The response time of the LM2901PWR is typically 1 µsec.
- What is the operating temperature range of the LM2901PWR?
The operating temperature range of the LM2901PWR is -40 to 125 °C.
- Is the LM2901PWR compatible with TTL, MOS, and CMOS outputs?
Yes, the LM2901PWR is compatible with TTL, MOS, and CMOS outputs.
- Can the LM2901B version replace older versions of the LM2901?
Yes, the LM2901B version is a drop-in replacement for LM239, LM339, and LM2901 A and V versions.
- What are some common applications of the LM2901PWR?
The LM2901PWR is used in various applications including vacuum robots, single-phase UPS, server power supplies, cordless power tools, wireless infrastructure, appliances, building automation, factory automation and control, motor drives, and infotainment and cluster systems.
