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MAX1294 - 12-Bit ADCs

General Description

The MAX1294/MAX1296 low-power, 12-bit analog-todigital converters (ADCs) feature a successive-approximation ADC, automatic power-down, fast wake-up (2µs), an on-chip clock, +2.5V internal reference, and a high-speed 12-bit parallel interface.

They operate with a single +5V analog supply.

Key Features

  • o 12-Bit Resolution, ±0.5 LSB Linearity o Single +5V Operation o Internal +2.5V Reference o Software-Configurable Analog Input Multiplexer 6-Channel Single-Ended/ 3-Channel Pseudo-Differential (MAX1294) 2-Channel Single-Ended/ 1-Channel Pseudo-Differential (MAX1296) o Software-Configurable Unipolar/Bipolar Analog Inputs o Low Current 2.8mA (420ksps) 1.0mA (100ksps) 400µA (10ksps) 2µA (Shutdown) o Internal 6MHz Full-Power Bandwidth Track/Hold o Parallel 12-Bit Interface o Small Footprint 28-Pin Q.

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Other Datasheets by Maxim Integrated (now Analog Devices)

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-1533; Rev 2; 12/02 EVAALVUAAILTAIOBNLEKIT 420ksps, +5V, 6-/2-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface MAX1294/MAX1296 General Description The MAX1294/MAX1296 low-power, 12-bit analog-todigital converters (ADCs) feature a successive-approximation ADC, automatic power-down, fast wake-up (2µs), an on-chip clock, +2.5V internal reference, and a high-speed 12-bit parallel interface. They operate with a single +5V analog supply. Power consumption is only 10mW at the maximum sampling rate of 420ksps. Two software-selectable powerdown modes enable the MAX1294/MAX1296 to be shut down between conversions; accessing the parallel interface returns them to normal operation. Powering down between conversions can reduce supply below 10µA at lower sampling rates.