AD7875KNZ

AD7875 is a fast, complete, 12bit analog-to-digital converter (ADC). This converter consists of a track-and-hold amplifier, an 8μs successive approximation ADC, a 3V buried Zener reference and versatile interface logic. The ADC feature a self-contained internal clock which is laser trimmed to guarantee accurate control of conversion time. No external clock timing components are required, the on-chip clock may be overridden by an external clock if required. The parts offer a choice of three data output formats: a single, parallel, 12bit word; two 8bit bytes or serial data. Fast bus access times and standard control inputs ensure easy interfacing to modern microprocessors and digital signal processors.

• Complete monolithic 12bit ADC with 2μs track-and-hold amplifier, 8μs ADC
• On-chip reference, laser-trimmed clock
• Parallel, byte and serial digital interface
• 70dB SNR at 10KHz input frequency, -80dB max THD, ±1/2LSB typ INL, ±1LSB max DNL
• 57ns data access time
• Low power: -60mW typical
• Input ranges : 0V to +5V
• 70dB min SNR and ±1LSB max integral nonlinearity
• 24 lead DIP package
• Operating temperature range from 0 to 70°C

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