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►607◄CD74HC4067高速CMOS 16通道模擬多工器 Analog/Digital

商品編號:P7349910551119 原始貨號:607
$ 25
預計出貨天數2
數量
  • 付款方式:
    超商取貨付款
  • 運送方式:
    常溫7-ELEVEN店到店取貨付款

商品特色

功能:使用一路ADC 採集16路類比信號。 使用CD74HC4067的16通道類比信號開關 類比信號輸入:C0-C15 16通道 模擬量輸出:DIG 通道控制:S0-S3 以下文檔摘自此產品晶片廠家手冊:(需自行翻譯) Description: This is a breakout board for the very handy16-Channel Analog/Digital Multiplexer/Demultiplexer CD74HC4067. This chip islike a rotary switch - it internally routes the common pin (COM in theschematic, SIG on the board) to one of 16 channel pins (CHANxx). It works withboth digital and analog signals (the voltage can’t be higher than VCC), and theconnections function in either direction. To control it, connect 4 digitaloutputs to the chip’s address select pins (S0-S3), and send it the binaryaddress of the channel you want (see the datasheet for details). This allowsyou to connect up to 16 sensors to your system using only 5 pins! Since the mux/demux also works with digital signals, youcan use it to pipe TTL-level serial data to or from multiple devices. Forexample, you could use it to connect the TX pins of 16 devices to one RX pin onyour microcontroller. You can then select any one of those 16 devices to listento. If you want two-way communications, you can add a second board to routeyour microcontroller’s TX line to 16 device’s RX lines. By using multipleboards, you can create similar arrangements for I2C, SPI, etc. The internal switches are bidirectional, support voltagesbetween ground and VCC, have low “on” resistance and low “off” leakage, and toprevent crosstalk, perform “break-before-make” switching. The board also breaksout the chip’s “enable” pin, which when driven high, will completely disconnectthe common pin (all switches “off”). Features: 2V to 6V operation “On” resistance: 70 Ohms @ 4.5V 6ns break-before-make @ 4.5V Wide operatingtemperature range: -55C to 125C
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