FEATURES Complete monolithic 12-bit ADCs with 2 μs track-and-hold amplifier 8 μs ADC On-chip reference Laser-trimmed clock Parallel, byte, and serial digital interface 72 dB SNR at 10 kHz input frequency (AD7870, AD7875) 57 ns data access time Low power: −60 mW typical Variety of input ranges ±3 V for AD7870 0 V to +5 V for AD7875 ±10 V for AD7876 GENERAL DESCRIPTION The AD7870/AD7875/AD7876 are fast, complete, 12-bit analog-to-digital converters (ADCs).
These converters consist of a track-and-hold amplifier, an 8 μs successive approximation ADC, a 3 V buried Zener reference, and versatile interface logic.
The ADCs feature a self-contained internal clock which is laser trimmed to guarantee a...

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