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首页产品索引ADC0808-N

ADC0808-N

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具有 8 通道多路复用器的 A/D 转换器,兼容 8 位微处理器

制造商:TI

产品信息

描述 The ADC0808, ADC0809 data acquisition component is a monolithic CMOS device with an 8-bit analog-to-digital converter, 8-channel multiplexer and microprocessor compatible control logic. The 8-bit A/D converter uses successive approximation as the conversion technique. The converter features a high impedance chopper stabilized comparator, a 256R voltage divider with analog switch tree and a successive approximation register. The 8-channel multiplexer can directly access any of 8-single-ended analog signals.The device eliminates the need for external zero and full-scale adjustments. Easy interfacing to microprocessors is provided by the latched and decoded multiplexer address inputs and latched TTL TRI-STATE outputs.The design of the ADC0808, ADC0809 has been optimized by incorporating the most desirable aspects of several A/D conversion techniques. The ADC0808, ADC0809 offers high speed, high accuracy, minimal temperature dependence, excellent long-term accuracy and repeatability, and consumes minimal power. These features make this device ideally suited to applications from process and machine control to consumer and automotive applications. For 16-channel multiplexer with common output (sample/hold port) see ADC0816 data sheet. (See AN-247 (Literature Number SNOA595) for more information.)特性Easy Interface to All Microprocessors Operates Ratiometrically or with 5 VDC or Analog Span Adjusted Voltage Reference No Zero or Full-Scale Adjust Required 8-Channel Multiplexer with Address Logic 0V to VCC Input Range Outputs meet TTL Voltage Level Specifications ADC0808 Equivalent to MM74C949 ADC0809 Equivalent to MM74C949-1 Key Specifications Resolution: 8 Bits Total Unadjusted Error: ±½ LSB and ±1 LSB Single Supply: 5 VDC Low Power: 15 mW Conversion Time: 100 μs All trademarks are the property of their respective owners.

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