LM2901QPWRQ1

Overview

Category: Integrated Circuit (IC)

Use: Comparator

Characteristics: - Low power consumption - Wide supply voltage range - Rail-to-rail input and output - High-speed response time - Low input offset voltage - Low input bias current

Package: TSSOP-14

Essence: The LM2901QPWRQ1 is a quad, low-power, general-purpose comparator designed for automotive applications.

Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2 V to 36 V
• Input Offset Voltage: ±1 mV (maximum)
• Input Bias Current: ±25 nA (maximum)
• Response Time: 1.3 µs (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM2901QPWRQ1 has a TSSOP-14 package with the following pin configuration:

```

---

| | --|IN1 | --|IN2 | --|IN3 | --|IN4 | --|GND | --|OUT1 | --|OUT2 | --|OUT3 | --|OUT4 | --|VCC+ | --|VCC- | |___________| ```

Functional Features

• Quad independent comparators
• Open-drain outputs
• Internal hysteresis
• ESD protection up to 2 kV

Advantages

• Low power consumption makes it suitable for battery-powered applications
• Wide supply voltage range allows flexibility in various systems
• Rail-to-rail input and output enable accurate measurements
• High-speed response time ensures quick decision-making
• Low input offset voltage and bias current enhance precision

Disadvantages

• Limited number of comparators (4 in this case)
• Not suitable for high-frequency applications
• May require additional external components for specific use cases

Working Principles

The LM2901QPWRQ1 operates as a voltage comparator, comparing the voltages at its inputs and producing a digital output based on the comparison result. It utilizes internal circuitry to amplify and compare the input voltages, providing a logical high or low output depending on the voltage relationship.

Application Field Plans

The LM2901QPWRQ1 is commonly used in automotive systems, such as: - Battery management systems - Motor control circuits - Power supply monitoring - Overvoltage/undervoltage protection - Signal conditioning

Alternative Models

Some alternative models that can be considered as replacements for the LM2901QPWRQ1 are: - LM339 - LM393 - LM311 - TL331

These models offer similar functionality and characteristics, allowing users to choose the most suitable option for their specific application requirements.

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