The MAX187/MAX189 serial 12-bit analog-to-digital converters(ADCs) operate from a single +5V supply andaccept a 0 to 5V analog input. Both parts feature an 8.5Fssuccessive-approximation ADC, a fast track/hold (1.5Fs),an on-chip clock, and a high-speed 3-wire serial interface.The MAX187/MAX189 digitize signals at a 75kspsthroughput rate. An external clock accesses data fromthe interface, which communicates without externalhardware to most digital signal processors and microcontrollers.The interface is compatible with SPI, QSPIK,and MICROWIREM.

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