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MAX1400 - Oversampling (Sigma-Delta) ADC

General Description

The MAX1400 18-bit, low-power, multichannel, serialoutput ADC uses a sigma-delta modulator with a digital decimation filter to achieve true 16-bit accuracy.

Key Features

  • o 18-Bit Resolution, Sigma-Delta ADC o 16-Bit Performance with No Missing Codes to 480sps o Low Quiescent Current 250µA (operating mode) 2µA (power-down mode) o 3 Fully Differential or 5 Pseudo-Differential Signal Input Channels o 2 Additional Fully Differential Calibration Channels/Auxiliary Input Channels o Access to the Mux Output/ADC Input o Programmable Gain and Offset o Fully Differential Reference Inputs o Converts Continuously or On Command o Automatic Channel Scanning and Continuous Dat.

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Other Datasheets by Maxim Integrated (now Analog Devices)

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MAX140 3 1/2 Digit A/D Converters
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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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19-1430; Rev 1; 7/02 MAX1400 +5V, 18-Bit, Low-Power, Multichannel, Oversampling (Sigma-Delta) ADC General Description The MAX1400 18-bit, low-power, multichannel, serialoutput ADC uses a sigma-delta modulator with a digital decimation filter to achieve true 16-bit accuracy. The user-selectable decimation factor of the digital filter allows the conversion resolution to be reduced in exchange for a higher output data rate. The device achieves true 16-bit performance at an output data rate of up to 480sps. In addition, the modulator sampling frequency may be optimized for either lowest power dissipation or highest throughput rate. The MAX1400 operates from +5V.