LM393DR2G Dual Comparator Low Power Open-Collector Output Wide 2V-36V Supply ESD Protected Industry Standard Cost-Effective Reliable Performance

LM393DR2G Dual Comparator Low Power Open-Collector Output Wide 2V-36V Supply ESD Protected Industry Standard Cost-Effective Reliable Performance

Features

• Wide Single-Supply Range: 2.0 Vdc to 36 Vdc

• Split-Supply Range: ±1.0 Vdc to ±18 Vdc

• Very Low Current Drain Independent of Supply Voltage: 0.4 mA

• Low Input Bias Current: 25 nA

• Low Input Offset Current: 5.0 nA

• Low Input Offset Voltage: 5.0 mV (max) LM293/393

• Input Common Mode Range to Ground Level

• Differential Input Voltage Range Equal to Power Supply Voltage

• Output Voltage Compatible with DTL, ECL, TTL, MOS, and CMOS Logic Levels

• ESD Clamps on the Inputs Increase the Ruggedness of the Device without Affecting Performance

• NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC-Q100 Qualified and PPAP Capable

• These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS Compliant

Applications

1. Level Detection and Conversion

Thanks to its open-collector output structure, it can easily achieve conversion and isolation between different voltage levels, serving as a bridge between digital and analog systems.

Specific Applications: Analog signal threshold detection for microcontrollers (Arduino, STM32), converting analog signals to digital logic levels (TTL/CMOS), system voltage monitoring (over-voltage/under-voltage protection).

2. Sensor Signal Threshold Detection

This is one of its core applications. It can compare continuous sensor signals with a reference voltage and output a digital signal to trigger subsequent actions when the signal exceeds or falls below the threshold.

Specific Applications: Photoelectric sensors, temperature control (thermostats), liquid level detection, smoke alarms, proximity switches.

3. Square Wave and Pulse Wave Generation

By configuring positive feedback (Schmitt trigger mode), it can effectively convert slowly changing or noisy analog signals into clean, sharp digital pulses, providing immunity to jitter and noise.

Specific Applications: Waveform shaping, generating square waves from sine waves, switch debouncing circuits, pulse width modulation (PWM) generation.

4. Window Comparator

Using both comparators in the LM393, a window comparator circuit can be built to determine whether a signal voltage falls within or outside two preset voltage limits (window).

Specific Applications: Battery voltage monitoring (checking if the voltage is within the normal range), safety range monitoring in process control.

5. Low-Power and Battery-Powered Devices

The LM393 operates over a wide voltage range (down to 2V) and has very low quiescent current consumption, making it ideal for power-sensitive portable devices and significantly extending battery life.

Specific Applications: Remote controls, wireless sensor nodes, portable instruments, Internet of Things (IoT) devices.

Description

The LM393 series are dual independent precision voltage comparators capable of single or split supply operation. These devices are designed to permit a common mode range-to-ground level with single supply operation. Input offset voltage specifications as low as 2.0 mV make this device an excellent selection for many applications in consumer, automotive, and industrial electronics.

INFORMATION

Drawing

Our advantage :phones, PDA's, notebook comput.ers

• High quality products --- our offers are 100% new and original, ROHS
• Competitive price --- good Purchase channels with good price.
• Professional service --- strict quality testing before the shipment, and perfect after-sales service after the purchase.
• Adequate inventory --- With the support of our strong Purchasing team,
• Fast delivery --- we will ship the goods within 1-3 working days after the payment confirmed.

be sure to meet your need for all kinds of components. ^_^


Product List
Supply a Series of Electronic Components, full range of semiconductors, active & passive Components.We can help you to get all for bom of the PCB,IN a word, you can get one-stop solution here,


The offers including:
Integrated Circuit, Memory ICs, Diode, Transistor , Capacitor, Resistor, Varistor, Fuse, Trimmer & Potentiometer, Transformer, Battery, Cable, Relay, Switch, Connector, Terminal Block, Crystal & Oscillator, Inductor, Sensor, Transformer, IGBT Driver, LED,LCD, Convertor, PCB (Printed Circuit Board),PCBA (PCB Assembly)

Strong in Brand:
Microchip, MAX, AD, TI, ATMEL, ST, ON, NS, Intersil, Winbond, Vishay, ISSI, Infineon, NEC, FAIRCHILD, OMRON,YAGEO, TDK, etc

Thank you for your time to know our company and lean our production.

TOP Electronic Industry co., Ltd  was established in 2006. After 10 years effort and development, now we have become one of the leading electronic components distributors in China. We keep very kind relationship with our suppliers and partners, and put our customers in the first place always.

Here we can offer one-stop solution service:  from PCB design, production to PCB assembly, from a series of components offer to the BOM list.

In addition to its component supply service, TOP distributes industry respected communication modules(GPS,GSM/GPRS,3G,LTE 4G modules) and accessories. All the brands are very famous and welcome by the customers all over the world, they are including: Sierra Wireless, SIMCOM, CINTERION, U-BLOX, HUAWEI, ZTE,TELIT, HOLUX etc. competitive price, Adequate  inventory, fast delivery, be praised by all the customers .

As an innovative company, TOP supplies and  markets high-quality wireless communication antennas and RF-cables. to work with modules together. With more than 8 years antenna experience, we win a lot of stable customers from more than 50 countries. In order to save the cost and delivery time, control the quality, supply the competitive price for our customers, we built our own antenna factory in 2012,which is for developing and manufacturing GPS antenna, GSM/GPRS antenna, WIFI antenna, LTE antenna, all kinds of combo antennas etc. Quality, stability,  accessibility are all important to us.

 The third production-line is Supply a Series of Electronic Components, including Integrated Circuits, Transistor, Diode, LED, LCD display, Capacitor, Resistor, Inductor, Relay, Crystal , Terminal block ,pin header etc.

Our Strong in Brand including Microchip, MAX, AD, TI, NXP, ATMEL, ST, ON, NS, Intersil, Winbond, Vishay, ISSI, Infineon, NEC, FAIRCHILD, OMRON,YAGEO, TDK, etc

As a global distributor of electronic components, we stocking the world's widest range products of semiconductor and electronic components. You can get one stop service here include BOM(bill of material)  purchasing, testing, design for your project. Our experienced team is providing the most excellent service to meet your needs and satisfaction.

With rich experience on wireless product and electronic components, we win our customers with good quality and competitive price. We only offer the products 100% original from the factory.

 TOP has never stop going forward, we always want to give our customers best service. in 2013, together with our partners, we built another PCB factory. In this factory, we can make design, supply PCB, make PCB SMT and DIP assembly, offer BOM service. As a professional supplier , We have a strong procurement team and are therefore able to provide customers with competitive prices and good quality. This is our advantage to you.

As they are to you. Just as in our name, TOP strives to be a leading business in the electronic industry. Our high quality products and professional service, are sure to meet your need for all kinds of electronic components.

You are searching for creditable and professional supplier to work with; we are also looking for sincerely and long-term customers. Once we find each other, we could make rapid progress together!