Overview
The LM2901PWRE4, produced by Texas Instruments, is a quad differential comparator that belongs to the next generation of the industry-standard LM339 and LM2901 comparator family. These B-version comparators offer improved specifications, including lower offset voltage, higher supply voltage capability, lower supply current, and lower input bias current. They are designed to operate from a single power supply over a wide range of voltages, making them versatile for various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Offset Voltage | 0.37 mV (typ), 25 mV (max) | mV |
| Input Bias Current | 3.5 nA (typ) | nA |
| Supply Current (all comparators) | 200 µA (typ) per comparator | µA |
| Supply Voltage Range | 5 V to 30 V (non-V devices), 5 V to 32 V (V-suffix devices) | V |
| Common-Mode Input Voltage Range | 0 V to VCC+ - 1.5 V | V |
| Differential Input Voltage Range | ±38 V | V |
| Response Time | 1.3 µs (typ) for a 100 mV input step with 5 mV overdrive | µs |
| Output Current | Approximately 20 mA (max) | mA |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package Type | TSSOP (PW) | |
| Pins | 14 |
Key Features
- Improved specifications of B-version, including lower offset voltage and lower input bias current.
- Higher supply voltage capability up to 38 V.
- Low supply current of 200 µA per comparator.
- Faster response time of 1 µsec.
- ESD rating (HBM): 2 kV.
- Output compatible with TTL, MOS, and CMOS.
- Common-mode input voltage range includes ground.
- Low output saturation voltage.
- Drop-in replacement for LM239, LM339, and LM2901 A and V versions.
Applications
The LM2901PWRE4 is suitable for a wide range of applications, including:
- Analog-to-digital converters.
- Threshold detectors.
- Window comparators.
- High-speed logic circuits.
- Industrial control systems.
- Automotive systems.
Q & A
- What is the input offset voltage of the LM2901PWRE4?
The input offset voltage is typically 0.37 mV and can be up to 25 mV maximum. - What is the supply current for the LM2901PWRE4?
The supply current is approximately 200 µA per comparator. - What is the maximum supply voltage for the LM2901PWRE4?
The maximum supply voltage is 30 V for non-V devices and 32 V for V-suffix devices. - What is the common-mode input voltage range for the LM2901PWRE4?
The common-mode input voltage range is from 0 V to VCC+ - 1.5 V. - How fast is the response time of the LM2901PWRE4?
The response time is typically 1.3 µs for a 100 mV input step with 5 mV overdrive. - Is the LM2901PWRE4 compatible with TTL, MOS, and CMOS outputs?
Yes, the output is compatible with TTL, MOS, and CMOS. - What is the ESD rating of the LM2901PWRE4?
The ESD rating (HBM) is 2 kV. - Can the LM2901PWRE4 replace older versions of the LM2901?
Yes, the B-version is a drop-in replacement for LM239, LM339, and LM2901 A and V versions. - What is the operating temperature range of the LM2901PWRE4?
The operating temperature range is -40°C to 125°C. - What package type is the LM2901PWRE4 available in?
The LM2901PWRE4 is available in a TSSOP (PW) package with 14 pins.
