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MAX1239 - Maxim

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MAX1239 12-Bit ADCs

The MAX1236–MAX1239 low-power, 12-bit, multichannel analog-to-digital converters (ADCs) feature internal track/hold (T/H), voltage reference, clock, and an I2C-compatible 2-wire serial interface. These devices operate from a single supply of 2.7V to 3.6V (MAX1237/ MAX1239) or 4.5V to 5.5V (MAX1236/MAX1238) and require only 670µA at the maximum sampling rate .

Features

♦ High-Speed I2C-Compatible Serial Interface 400kHz Fast Mode 1.7MHz High-Speed Mode ♦ Single-Supply 2.7V to 3.6V (MAX1237/MAX1239) 4.5V to 5.5V (MAX1236/MAX1238) ♦ Internal Reference 2.048V (MAX1237/MAX1239) 4.096V (MAX1236/MAX1238) ♦ External Reference: 1V to VDD ♦ Internal Clock ♦ 4-Channel Single-Ended or 2-Channel Fully Differential (MAX1236/MAX1237) ♦ 12-Channel Single-Ended or 6-Channel Fully Differential (MAX1238/MAX1239) ♦ Internal FIFO with Channel-Scan Mode ♦ Low Power 670µA at 94.4ksps 230µA at 40ksps 60µA at 10ksps 6µA at 1ksps 0.5µA in Power-Down Mode ♦ Software-Configurable Unip.

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