MAX186BCWP

ADCs/DACs - Special Purpose Overview

The MAX186BCWP is a 12-bit data-acquisition system combining an 8-channel multiplexer, high-bandwidth track/hold, and serial interface. It operates on a single +5V or dual ±5V supply with software-configurable unipolar/bipolar and single-ended/differential inputs. The device features a 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE protocols. Key electrical parameters include a 133kHz sampling rate, internal 4.096V reference, and low power consumption of 1.5mA in operating mode. It is housed in a 20-pin SO package.

ADCs/DACs - Special Purpose Feature Summary

• 12-bit resolution with 8 single-ended or 4 differential analog inputs
• Internal 4.096V reference voltage and reference-buffer amplifier
• Software-selectable unipolar or bipolar input configurations
• Ultra-low power: 1.5mA operating current, 2µA power-down current

ADCs/DACs - Special Purpose Applications

• Portable Data Logging
• Data-Acquisition Systems
• High-Accuracy Process Control
• Automatic Testing Equipment
• Medical Instruments

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific suffix 'C' indicates the commercial temperature range (0°C to +70°C) and 'WP' denotes the 20-pin SOIC package. Confirm RoHS compliance status for the specific manufacturing lot. Ensure the ordering documentation explicitly lists the grade B accuracy specifications relative to offset and gain error limits.

ADCs/DACs - Special Purpose Selection Notes

Select this component when a 12-bit ADC with integrated multiplexing and low power consumption is required. The MAX186 variant includes an internal reference, whereas the MAX188 requires an external one. Verify that the application supports the 4-wire serial interface timing requirements and that the input signal source impedance is within acceptable limits for the 1.5µs acquisition time.

ADCs/DACs - Special Purpose Part Context

The MAX186BCWP belongs to the MAX186/MAX188 family of low-power, 8-channel, serial 12-bit ADCs manufactured by Analog Devices Inc./Maxim Integrated. This family integrates a successive-approximation converter with a track/hold circuit and multiplexer. The 'B' grade specifies particular DC accuracy limits for offset and gain errors compared to other grades in the series.

ADCs/DACs - Special Purpose Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.