Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Analysis of previous power supply competition questions
In the 11th National Undergraduate Electronic Design Competition, there are 10 power supply questions:Simple CNC DC Power Supply (1st session, 1...
wrote the simple makefile as above
The execution result was unexpected!
Why can't the command run in the shell, but run normally in the makefile?
Why does it return a '/'?
I would also like to ask all...
We can say that the program memory stores the soul of the microcontroller, which is the working program. The smallest one may be only 1KB (it can only hold 1024 8-bit data at most, because there are m...
I2C bus physical topologyThe I2C bus is very simple in terms of physical connection, and consists of SDA (serial data line) and SCL (serial clock line) and pull-up resistors. The communication princip...
Let's take ACPI as an example! ACPI (Advanced Configuration and Power Interface) is a new energy management system that can be turned on and off by software control, or by modem signals to wake up ...[Details]
Fault phenomenon The instrument does not turn on. Testing process After testing, the power-on indicator light of the instrument was on, the fan was running when the machine was turned on, but the s...[Details]
In the Planet article: Oscilloscope Resolution and DC Voltage Measurement Accuracy, we mentioned that for a digital oscilloscope, the horizontal time resolution of the data samples depends on the sa...[Details]
Generally, a good PLC program needs to have the following characteristics: simplicity, readability, correctness, reliability, easy modification, scalability, complete alarm system and convenient pr...[Details]
In WINAVR, if you want to compile multiple C files, you can't just add the .c files to the project.
You also need to modify the Makefile.
This is because the compilation process of WINAVR is con...[Details]
Can you imagine that in the near future, the videos made by video bloggers or online classes recorded by university teachers that you see while surfing the Internet will
be shot
by
robots
? ...[Details]
Overview
The PHY2078 is a combined burst mode
laser driver
and limiting amplifier for use within fiber optic modules in FTTx applications. When used with the PHY1095 or PHY1097 transim...[Details]
1. Try turning the CPU to the STOP position.
2. Close all software, especially the software occupying the communication port, and only keep the 200plc programming software.
3. To co...[Details]
With the popularization of the concept of energy conservation and emission reduction, frequency converters are widely used in industrial production, civil equipment and other fields, and even home ...[Details]
What is SAR?
SAR
: SAR stands for Specific Absorption Rate, which is generally called electromagnetic wave absorption ratio or specific absorption rate in Chinese. It is the electrom...[Details]
Omron is a powerful brand among Japanese PLCs, with a market share second only to Mitsubishi. It combines the advantages of Mitsubishi in motion control and Siemens in bus control, and is very popu...[Details]
Recently, ICBC Liaocheng Branch issued the first project loan of RMB 88.7 million for the 101MW/204MWh electrochemical energy storage project in Guancheng, Shenxian County, Liaocheng, which was invest...[Details]
1. How to cross-compile iperf?
https://iperf.fr/ The official website is always more reliable, the test version number is
Iperf 2.0.5
Get the virtual machine, run it, unzip it and c...[Details]
0 Introduction
In many electronic systems, a sine wave signal with adjustable frequency and amplitude is often needed as a reference signal or carrier signal. Usually, sine wave signals ar...[Details]