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    首页产品索引ADC0804-N

    ADC0804-N

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    兼容 8 位 µP 的 A/D 转换器

    制造商:TI

    产品信息

    描述 The ADC0801, ADC0802, ADC0803, ADC0804, and ADC0805 devices are CMOS 8-bit successive approximation converters (ADC) that use a differential potentiometric ladder – similar to the 256R products. These converters are designed to allow operation with the NSC800 and INS8080A derivative control bus with Tri-state output latches directly driving the data bus. These ADCs appear like memory locations or I/O ports to the microprocessor and no interfacing logic is needed.Differential analog voltage inputs allow increasing the common-mode rejection and offsetting the analog zero input voltage value. In addition, the voltage reference input can be adjusted to allow encoding any smaller analog voltage span to the full 8 bits of resolution.特性Compatible With 8080-µP Derivatives – No Interfacing Logic Needed – Access Time 135 ns Easy Interface to All Microprocessors, or Operates as a Stand-Alone Deivce Differential Analog Voltage Inputs Logic Inputs and Outputs Meet Both MOS and TTL Voltage-Level Specifications Works With 2.5-V (LM336) Voltage Reference On-Chip Clock Generator 0-V to 5-V Analog Input Voltage Range With Single 5-V Supply No Zero Adjust Required 0.3-Inch Standard Width 20-Pin DIP Package 20-Pin Molded Chip Carrier or Small Outline Package Operates Ratiometrically or With 5 VDC, 2.5 VDC, or Analog Span Adjusted Voltage Reference Key Specifications Resolution: 8 Bits Total Error: ±1/4 LSB, ±1/2 LSB and ±1 LSB Conversion Time: 100 µs

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