How to read an OPAMP's Data Sheet EEWORLD

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Teach you how to read an operational amplifier manual

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In 2005, the market scale reached 70 billion, and auto electronics became more popular: The prosperity of China's automobile market has not been greatly affected by the high oil price. According to media reports, there are as many as 8000 new cars every month in Beijing alone, most of which are privately purchased family cars. Although compared with the developed countries in Europe and the United States, the popularity of household cars in China is still a long way off, but in the eyes of many people, many of the meanings represented by cars have undergone profound changes. In short, it is no longer a symbol of identity, property and status, but just a high-end consumer goods, or a means of walking or even making a living. The value of the car has been reduced. It is fresh and mysterious; frozenviolet Automotive Electronics

The problem of using the TAMPER-RTC pin of STM32 as a Tamper: What problems should we pay attention to when using this pin as a Tamper? The Chinese manual describes as follows: 9.3 Intrusion detection When the signal on the TAMPER pin changes from 0 to 1 or from 1 to 0 (depending on the TPAL bit of the backup control register BKP_CR), an intrusion detection event will be generated. The intrusion detection event will clear the contents of all data backup registers. However, it is&# 63930; To avoid loss of intrusion events, the intrusion detection signal is the logical sum of the edge detection signal and the intrusion detection permission bit, so that intrusion events that occur before the intrusion detection pin is allowed can also be detected; yuezhiguang.4 stm32/stm8

Novice question: What is the definition of C2000 dominant frequency?: [align=left] The official website of ti shows that the frequency of 28027 is 60MHz. What is this frequency? Maximum operating frequency? However, after checking the data manual, it is found that the frequency of 28027 can reach 120MHz through frequency doubling of OSC12, so the definition of 60MHz is unclear. [/align]; Ice sky shadow Microcontroller MCU

A pen test question -- 51 single chip microcomputer serial port controls 24 LEDs: Control 24 8-segment LED nixie tubes with 51 single-chip microcomputer serial port, draw the circuit diagram, send a data string from PC serial port, and display and write the program flow chart, key programs, and communication protocols on the nixie tube (the control method and timing are done with interrupts).; limanjihe singlechip

P4 CPU interrupt controller setting problem: If I want to change the parallel port interrupt mode from level trigger to edge trigger, do I have to change the CPU interrupt controller related register values? My CPU is celeron D 347. Does anyone know its interrupt controller address and corresponding register offset?; zhaoyanfeng Embedded system

The problem of realizing YUV2RGB with arm assembly: The following formula is required for YUV2RGB: R=Y+1.402 (Cr - 128) G=Y - 0.34414 (Cb - 128) -0.71414 (Cr - 128) B=Y+1.772 (Cb - 128) In order to avoid floating point number operations, it is modified to R=Y+(91881 * (Cr - 128))>>16 When the conversion is implemented with arm assembly, the following statement MOV R4, # 9188 is used; White Crane Spreads Its Wings ARM technology