LM393APSRE4

Product Overview

Category: Integrated Circuit (IC)

Use: LM393APSRE4 is a dual differential comparator designed for use in automotive and industrial applications. It is commonly used to compare two voltage inputs and provide a digital output based on the comparison result.

Characteristics: - Dual differential comparator - Wide supply voltage range - Low input offset voltage - Low input bias current - High output sink current capability - Temperature range: -40°C to +125°C

Package: LM393APSRE4 is available in a small outline package (SOP) with 8 pins.

Essence: The essence of LM393APSRE4 lies in its ability to accurately compare voltage inputs and generate a digital output, making it suitable for various applications where precise voltage comparisons are required.

Packaging/Quantity: LM393APSRE4 is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 2V to 36V
• Input Offset Voltage: ±1mV
• Input Bias Current: ±25nA
• Output Sink Current: 6mA
• Response Time: 1.3μs
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

LM393APSRE4 has a total of 8 pins arranged as follows:

___________ VCC | 1 8 | GND IN- | 2 7 | OUT IN+ | 3 6 | NC GND | 4 5 | NC ‾‾‾‾‾‾‾‾‾‾‾

Functional Features

• Dual comparator: LM393APSRE4 consists of two independent comparators, allowing simultaneous comparison of two voltage inputs.
• Wide supply voltage range: It can operate within a wide range of supply voltages, making it suitable for various applications.
• Low input offset voltage: The IC has low input offset voltage, ensuring accurate voltage comparisons.
• High output sink current capability: LM393APSRE4 can sink up to 6mA of current, enabling it to drive external loads efficiently.

Advantages and Disadvantages

Advantages: - Accurate voltage comparisons - Wide operating temperature range - Low power consumption - Small package size

Disadvantages: - Limited output current sourcing capability - Lack of built-in hysteresis

Working Principles

LM393APSRE4 works based on the principle of voltage comparison. It compares the voltage levels at its two input pins (IN+ and IN-) and generates a digital output signal based on the result of the comparison. If the voltage at IN+ is higher than IN-, the output goes high; otherwise, it goes low.

Detailed Application Field Plans

LM393APSRE4 finds applications in various fields, including: 1. Automotive electronics: Used for overvoltage/undervoltage protection, battery monitoring, and motor control systems. 2. Industrial automation: Employed in voltage monitoring circuits, level detection, and threshold triggering applications. 3. Power management: Used for power supply sequencing, load balancing, and fault detection in power distribution systems. 4. Consumer electronics: Applied in audio amplifiers, signal conditioning circuits, and battery-powered devices.

Detailed and Complete Alternative Models

Some alternative models to LM393APSRE4 include: - LM2903: A similar dual differential comparator with slightly different specifications. - LM339: A quad differential comparator offering four independent comparators in a single package. - LM311: A high-speed voltage comparator with differential inputs and an open collector output.

These alternative models can be considered based on specific application requirements and desired features.

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