LM393DMR2G

Product Overview

Category: Integrated Circuit (IC)

Use: Comparator

Characteristics: - Low power consumption - Wide supply voltage range - High input impedance - Open collector output - Low offset voltage - Fast response time

Package: SOIC-8

Essence: The LM393DMR2G is a dual differential comparator designed for use in low-power applications. It compares two input voltages and provides a digital output indicating which voltage is higher.

Packaging/Quantity: The LM393DMR2G is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: 2V to 36V
• Input Offset Voltage: ±1mV
• Response Time: 1.3μs
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM393DMR2G has a total of 8 pins arranged as follows:

```

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| | --| IN- OUT |-- Pin 1: Output --| IN+ GND |-- Pin 2: Inverting Input --| VCC VCC |-- Pin 3: Positive Power Supply --| OUT IN+ |-- Pin 4: Non-Inverting Input --| GND IN- |-- Pin 5: Ground |___________| ```

Functional Features

• Dual differential inputs
• Output compatible with various logic families
• Low input bias current
• Wide common-mode voltage range
• Built-in hysteresis for improved noise immunity

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered devices - Wide supply voltage range allows for versatile applications - High input impedance minimizes loading effects on the input signal - Fast response time enables quick decision-making

Disadvantages: - Limited output current capability - Single-ended output requires external pull-up resistor for proper operation

Working Principles

The LM393DMR2G operates based on the comparison of two input voltages. When the voltage at the non-inverting input (IN+) is higher than the voltage at the inverting input (IN-), the output (OUT) goes low. Conversely, when the voltage at IN- is higher than IN+, the output goes high.

The comparator's internal circuitry amplifies the voltage difference between the inputs and drives the output accordingly. The built-in hysteresis ensures stable switching behavior and prevents oscillations near the threshold voltage.

Detailed Application Field Plans

The LM393DMR2G can be used in various applications, including but not limited to: 1. Battery voltage monitoring 2. Level detection in industrial control systems 3. Motor speed control 4. Window comparators 5. Voltage level shifting 6. Signal conditioning circuits

Detailed and Complete Alternative Models

Some alternative models that can be considered as replacements for the LM393DMR2G are: 1. LM339N 2. LM311N 3. LM2903N 4. LM324N 5. LM358N

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

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