Allicdata Part #: | MAX944ESD+-ND |
Manufacturer Part#: |
MAX944ESD+ |
Price: | $ 3.49 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Maxim Integrated |
Short Description: | IC COMPARATOR R-R 14-SOIC |
More Detail: | Comparator General Purpose CMOS, Push-Pull, TTL 14... |
DataSheet: | MAX944ESD+ Datasheet/PDF |
Quantity: | 330 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
1 +: | $ 3.17520 |
10 +: | $ 3.04416 |
50 +: | $ 2.99615 |
Current - Input Bias (Max): | 0.15µA @ 5.5V |
Base Part Number: | MAX944 |
Supplier Device Package: | 14-SOIC |
Mounting Type: | Surface Mount |
Package / Case: | 14-SOIC (0.154", 3.90mm Width) |
Operating Temperature: | -40°C ~ 85°C |
Hysteresis: | -- |
Propagation Delay (Max): | 80ns |
CMRR, PSRR (Typ): | 81.94dB CMRR, 81.94dB PSRR |
Current - Quiescent (Max): | 600µA |
Current - Output (Typ): | -- |
Series: | -- |
Voltage - Input Offset (Max): | 2mV @ 5.5V |
Voltage - Supply, Single/Dual (±): | 2.7 V ~ 5.5 V |
Output Type: | CMOS, Push-Pull, TTL |
Number of Elements: | 4 |
Type: | General Purpose |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Tube |
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MAX944ESD+ Application Field and Working Principle
Linear-Comparators are important analog applications mostly used to measure the differences between signals. The MAX944ESD+ comparator is one of the most popular products in the field, and its application and working principle are worth studying.
Application
The MAX944ESD+ can be used for a variety of applications, such as motor speed detection, voltage level comparison, fault detection, noise detection, motor or relay control, alarm circuits, and many others. Its small size and low power consumption make it ideal for use in embedded applications.
Working Principle
The MAX944ESD+ is composed of two stages: the input stage and the output stage. In the input stage, the MAX944ESD+ amplifies the input voltage with a voltage amplifier and the output voltage of the amplifier is then compared with a reference voltage. If the amplified voltage is higher than the reference voltage, the comparator will turn on and will output a high voltage. If the amplified voltage is lower than the reference voltage, the comparator will turn off and will output a low voltage.
In the output stage, the comparator will amplify the input voltage and then, if the voltage is higher than a certain threshold, the output will switch from low to high and vice versa. This stage is mainly used to drive loads, such as LEDs and relays, which require a high voltage to be driven.
Features
The MAX944ESD+ has a number of features that make it ideal for a wide variety of applications. It has a low power consumption, a temperature range of -40°C to +85°C, a maximum supply voltage of 18V, and a propagation delay of 8ns. It also has a high gain bandwidth, which makes it suitable for high speed applications, as well as a low voltage drop across the load, which makes it suitable for applications using low power too.
Conclusion
The MAX944ESD+ comparator is an ideal device for a wide range of applications, thanks to its low power consumption, small size, high gain bandwidth, and low voltage drop across the load. Its input stage amplifies the input voltage and compares it with a reference voltage, while its output stage amplifies the input voltage for driving loads. All of these features make it a versatile and reliable device.
The specific data is subject to PDF, and the above content is for reference
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