MAX186AEPP

ADCs/DACs - Special Purpose Overview

The MAX186AEPP+ is a 12-bit, 8-channel data-acquisition system in a 20-pin PDIP package. It integrates an 8-channel multiplexer, high-bandwidth track/hold, and serial interface with ultra-low power consumption. Operating on a single +5V or dual ±5V supply, it supports software-configurable unipolar/bipolar and single-ended/differential inputs. The device features an internal 4.096V reference, a 133kHz sampling rate, and a 4-wire serial interface compatible with SPI, QSPI, Microwire, and TMS320 DSPs. Power-down modes reduce current to under 10µA.

ADCs/DACs - Special Purpose Feature Summary

• 12-bit resolution with 8 single-ended or 4 differential analog inputs
• Internal 4.096V reference and track/hold circuitry
• 133ksps sampling rate with successive-approximation architecture
• Low power: 1.5mA operating, 2µA full power-down
• Software-selectable unipolar/bipolar input ranges

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 'E' suffix indicates the -40°C to +85°C extended temperature range. Confirm the 'P' suffix denotes the 20-pin PDIP package. Ensure the '+' suffix confirms lead-free/RoHS compliance. Cross-reference the specific grade (A, B, C, D) for accuracy requirements against the datasheet specifications.

ADCs/DACs - Special Purpose Selection Notes

Select the MAX186 variant for an internal 4.096V reference; use MAX188 if an external reference is required. Choose between internal clock mode for processor independence or external clock mode for precise timing synchronization. Verify that the source impedance remains below 5kΩ to maintain acquisition time specifications without additional input capacitors.

ADCs/DACs - Special Purpose Part Context

The MAX186/MAX188 series combines low power with high speed in a compact form factor. The AEPP designation specifically identifies the A-grade accuracy version in an industrial temperature range (-40°C to +85°C) housed in a standard 20-pin plastic dual in-line package. This part is part of the broader Maxim Integrated data converter portfolio designed for battery-powered applications.

ADCs/DACs - Special Purpose Replacement Considerations

Direct pin-compatible replacements within the same family include MAX186CEPP+ (commercial temp), MAX186CWP+ (SOIC), and MAX186CAP+ (SSOP). For external reference needs, consider the MAX188 series. Parallel interface alternatives like the MAX180/MAX181 require separate evaluation.