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MAX1400 Datasheet Oversampling (sigma-delta) Adc

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: 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.

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.

MAX1400 Distributor